1049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/***************************************************************************/ 2049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 3049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* ttcmap.c */ 4049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 5049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* TrueType character mapping table (cmap) support (body). */ 6049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 79c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod/* Copyright 2002-2010, 2012-2014 by */ 8049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 9049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 10049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* This file is part of the FreeType project, and may only be used, */ 11049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* modified, and distributed under the terms of the FreeType project */ 12049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 13049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* this file you indicate that you have read the license and */ 14049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* understand and accept it fully. */ 15049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 16049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/***************************************************************************/ 17049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 18049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 19049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include <ft2build.h> 20049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_DEBUG_H 21049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 22049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "sferrors.h" /* must come before FT_INTERNAL_VALIDATE_H */ 23049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 24049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_VALIDATE_H 25049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_STREAM_H 26049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "ttload.h" 27049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "ttcmap.h" 28295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#include "sfntpic.h" 29049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 30049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 31049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 32049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 33049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ 34049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ 35049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* messages during execution. */ 36049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 37049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#undef FT_COMPONENT 38049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define FT_COMPONENT trace_ttcmap 39049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 40049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 41049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_SHORT FT_PEEK_SHORT 42049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_USHORT FT_PEEK_USHORT 43049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_UINT24 FT_PEEK_UOFF3 44049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_LONG FT_PEEK_LONG 45049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_ULONG FT_PEEK_ULONG 46049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 47049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_SHORT FT_NEXT_SHORT 48049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_USHORT FT_NEXT_USHORT 49049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_UINT24 FT_NEXT_UOFF3 50049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_LONG FT_NEXT_LONG 51049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_ULONG FT_NEXT_ULONG 52049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 53049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 54049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 55049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap_init( TT_CMap cmap, 56049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 57049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 58049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->data = table; 59727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 60049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 61049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 62049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 63049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 64049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 65049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 66049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 0 *****/ 67049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 68049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 69049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 70049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 71049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 72049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 73049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 74049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 75049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 76049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 77049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 78049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 0 */ 79049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 80049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 81049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyph_ids 6 BYTE[256] array of glyph indices */ 82049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 262 */ 83049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 84049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 85049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_0 86049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 87049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 88049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_validate( FT_Byte* table, 89049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 90049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 919c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* p; 929c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_UInt length; 939c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 94049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 959c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod if ( table + 2 + 2 > valid->limit ) 969c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_INVALID_TOO_SHORT; 979c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 989c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod p = table + 2; /* skip format */ 999c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod length = TT_NEXT_USHORT( p ); 100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 262 ) 102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices whenever necessary */ 105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt n, idx; 108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < 256; n++ ) 112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = *p++; 114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 119727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_char_index( TT_CMap cmap, 125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return char_code < 256 ? table[6 + char_code] : 0; 131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 134295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_char_next( TT_CMap cmap, 136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pchar_code; 140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 14477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner table += 6; /* go to glyph IDs */ 145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( ++charcode < 256 ) 146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = table[charcode]; 148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charcode; 151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_get_info( TT_CMap cmap, 162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 167295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 0; 168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 170727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 174727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 175727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap0_class_rec, 176727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMapRec ), 177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 178727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap_init, 179727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 180727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap0_char_index, 181727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap0_char_next, 182727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 183727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 184727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 185727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 186727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 187727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 190727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap0_validate, 191727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap0_get_info ) 192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_0 */ 194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 2 *****/ 200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** This is used for certain CJK encodings that encode text in a *****/ 202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** mixed 8/16 bits encoding along the following lines: *****/ 203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** * Certain byte values correspond to an 8-bit character code *****/ 205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (typically in the range 0..127 for ASCII compatibility). *****/ 206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** * Certain byte values signal the first byte of a 2-byte *****/ 208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code (but these values are also valid as the *****/ 209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** second byte of a 2-byte character). *****/ 210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The following charmap lookup and iteration functions all *****/ 212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** assume that the value "charcode" correspond to following: *****/ 213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - For one byte characters, "charcode" is simply the *****/ 215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code. *****/ 216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - For two byte characters, "charcode" is the 2-byte *****/ 218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code in big endian format. More exactly: *****/ 219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (charcode >> 8) is the first byte value *****/ 221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (charcode & 0xFF) is the second byte value *****/ 222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Note that not all values of "charcode" are valid according *****/ 224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** to these rules, and the function moderately check the *****/ 225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** arguments. *****/ 226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 2 */ 238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* keys 6 USHORT[256] sub-header keys */ 241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* subs 518 SUBHEAD[NSUBS] sub-headers array */ 24277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyph_ids 518+NSUB*8 USHORT[] glyph ID array */ 243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The `keys' table is used to map charcode high-bytes to sub-headers. */ 245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The value of `NSUBS' is the number of sub-headers defined in the */ 246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* table and is computed by finding the maximum of the `keys' table. */ 247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Note that for any n, `keys[n]' is a byte offset within the `subs' */ 249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* table, i.e., it is the corresponding sub-header index multiplied */ 250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* by 8. */ 251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Each sub-header has the following format: */ 253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first 0 USHORT first valid low-byte */ 257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 2 USHORT number of valid low-bytes */ 258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* delta 4 SHORT see below */ 259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* offset 6 USHORT see below */ 260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A sub-header defines, for each high-byte, the range of valid */ 262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* low-bytes within the charmap. Note that the range defined by `first' */ 263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and `count' must be completely included in the interval [0..255] */ 264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* according to the specification. */ 265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If a character code is contained within a given sub-header, then */ 267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mapping it to a glyph index is done as follows: */ 268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* * The value of `offset' is read. This is a _byte_ distance from the */ 270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* location of the `offset' field itself into a slice of the */ 27177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* `glyph_ids' table. Let's call it `slice' (it is a USHORT[] too). */ 272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* * The value `slice[char.lo - first]' is read. If it is 0, there is */ 274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no glyph for the charcode. Otherwise, the value of `delta' is */ 275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* added to it (modulo 65536) to form a new glyph index. */ 276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* It is up to the validation routine to check that all offsets fall */ 27877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* within the glyph IDs table (and not within the `subs' table itself or */ 279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* outside of the CMap). */ 280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_2 283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_validate( FT_Byte* table, 286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2889c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* p; 2899c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_UInt length; 2909c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt n, max_subs; 2929c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* keys; /* keys table */ 2939c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* subs; /* sub-headers */ 2949c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* glyph_ids; /* glyph ID array */ 295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2979c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod if ( table + 2 + 2 > valid->limit ) 2989c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_INVALID_TOO_SHORT; 2999c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 3009c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod p = table + 2; /* skip format */ 3019c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod length = TT_NEXT_USHORT( p ); 3029c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 6 + 512 ) 304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project keys = table + 6; 307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse keys to compute sub-headers count */ 309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = keys; 310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max_subs = 0; 311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < 256; n++ ) 312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = TT_NEXT_USHORT( p ); 314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* value must be multiple of 8 */ 317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID && ( idx & 7 ) != 0 ) 318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx >>= 3; 321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx > max_subs ) 323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max_subs = idx; 324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ASSERT( p == table + 518 ); 327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subs = p; 329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_ids = subs + (max_subs + 1) * 8; 330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( glyph_ids > valid->limit ) 331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse sub-headers */ 334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n <= max_subs; n++ ) 335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 336ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease FT_UInt first_code, code_count, offset; 337ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease FT_Int delta; 338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project first_code = TT_NEXT_USHORT( p ); 341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project code_count = TT_NEXT_USHORT( p ); 342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT( p ); 343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_USHORT( p ); 344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 34577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* many Dynalab fonts have empty sub-headers */ 34677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( code_count == 0 ) 34777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner continue; 34877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check range within 0..255 */ 350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( first_code >= 256 || first_code + code_count > 256 ) 353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check offset */ 357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0 ) 358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 359ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease FT_Byte* ids; 360ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease 361ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease 362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ids = p - 2 + offset; 363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ids < glyph_ids || ids + code_count*2 > table + length ) 364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_OFFSET; 365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 36677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check glyph IDs */ 367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = p + code_count * 2; 370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < limit; ) 374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = ( idx + delta ) & 0xFFFFU; 379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 387727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* return sub header corresponding to a given character code */ 392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NULL on invalid charcode */ 393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_subheader( FT_Byte* table, 395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* result = NULL; 398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < 0x10000UL ) 401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( char_code & 0xFF ); 403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_hi = (FT_UInt)( char_code >> 8 ); 404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; /* keys table */ 405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subs = table + 518; /* subheaders table */ 406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* sub; 407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_hi == 0 ) 410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* an 8-bit character code -- we use subHeader 0 in this case */ 412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to test whether the character code is in the charmap */ 413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs; /* jump to first sub-header */ 415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the sub-header for this byte is 0, which */ 41777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* indicates that it is really a valid one-byte value */ 418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Otherwise, return 0 */ 419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_lo * 2; 421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0 ) 422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a 16-bit character code */ 427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to key entry */ 429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_hi * 2; 430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to sub-header */ 431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs + ( FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 8 ) ); 432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the high byte isn't a valid one-byte value */ 434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( sub == subs ) 435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = sub; 438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_index( TT_CMap cmap, 446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, char_code ); 454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)(char_code & 0xFF); 458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start, count; 459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p ); 464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT ( p ); 466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx -= start; 469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count && offset != 0 ) 470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + 2 * idx; 472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_PEEK_USHORT( p ); 473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( idx + delta ) & 0xFFFFU; 476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 482295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_next( TT_CMap cmap, 484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pcharcode ) 485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode + 1; 490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( charcode < 0x10000UL ) 494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, charcode ); 496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = TT_NEXT_SHORT ( p ); 502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset = TT_PEEK_USHORT( p ); 503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( charcode & 0xFF ); 504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt pos, idx; 505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0 ) 508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Next_SubHeader; 509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_lo < start ) 511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_lo = start; 513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = 0; 514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = (FT_UInt)( char_lo - start ); 517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + pos * 2; 519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + char_lo; 520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; pos < count; pos++, charcode++ ) 522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = ( idx + delta ) & 0xFFFFU; 528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charcode; 531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to next sub-header, i.e. higher byte value */ 538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Next_SubHeader: 539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + 256; 540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = result; 544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_info( TT_CMap cmap, 551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 556295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 2; 557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 559727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 563727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 564727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap2_class_rec, 565727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMapRec ), 566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 567727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap_init, 568727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 569727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap2_char_index, 570727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap2_char_next, 571727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 572727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 573727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 574727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 575727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 576727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2, 579727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap2_validate, 580727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap2_get_info ) 581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_2 */ 583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 4 *****/ 589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length */ 602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in bytes */ 603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segCountX2 6 USHORT 2*NUM_SEGS */ 606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange 8 USHORT 2*(1 << LOG_SEGS) */ 607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* entrySelector 10 USHORT LOG_SEGS */ 608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* rangeShift 12 USHORT segCountX2 - */ 609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange */ 610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* endCount 14 USHORT[NUM_SEGS] end charcode for */ 612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; last */ 613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is 0xFFFF */ 614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* pad 14+NUM_SEGS*2 USHORT padding */ 616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* startCount 16+NUM_SEGS*2 USHORT[NUM_SEGS] first charcode for */ 618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment */ 619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idDelta 16+NUM_SEGS*4 SHORT[NUM_SEGS] delta for each */ 621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segment */ 622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idOffset 16+NUM_SEGS*6 SHORT[NUM_SEGS] range offset for */ 623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; can be */ 624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* zero */ 625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 62677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph ID */ 627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges */ 628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Character codes are modelled by a series of ordered (increasing) */ 630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* intervals called segments. Each segment has start and end codes, */ 631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* provided by the `startCount' and `endCount' arrays. Segments must */ 63277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* not overlap, and the last segment should always contain the value */ 63377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* 0xFFFF for `endCount'. */ 634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The fields `searchRange', `entrySelector' and `rangeShift' are better */ 636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ignored (they are traces of over-engineering in the TrueType */ 637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* specification). */ 638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Each segment also has a signed `delta', as well as an optional offset */ 640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* within the `glyphIds' table. */ 641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If a segment's idOffset is 0, the glyph index corresponding to any */ 643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* charcode within the segment is obtained by adding the value of */ 644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `idDelta' directly to the charcode, modulo 65536. */ 645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 64677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Otherwise, a glyph index is taken from the glyph IDs sub-array for */ 647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment, and the value of `idDelta' is added to it. */ 648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 65077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Finally, note that a lot of fonts contain an invalid last segment, */ 65177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* where `start' and `end' are correctly set to 0xFFFF but both `delta' */ 65277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* and `offset' are incorrect (e.g., `opens___.ttf' which comes with */ 65377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* OpenOffice.org). We need special code to deal with them correctly. */ 654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_4 657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap4Rec_ 659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 cur_charcode; /* current charcode */ 662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; /* current glyph index */ 663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges; 665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_range; 666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_start; 667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_end; 668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int cur_delta; 669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* cur_values; 670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap4Rec, *TT_CMap4; 672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_init( TT_CMap4 cmap, 676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_ranges = FT_PEEK_USHORT( p ) >> 1; 685295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL; 686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 688727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Int 693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_set_range( TT_CMap4 cmap, 694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_index ) 695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->cmap.data; 697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges = cmap->num_ranges; 699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( range_index < num_ranges ) 702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 14 + range_index * 2; 707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_end = FT_PEEK_USHORT( p ); 708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_ranges * 2; 710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_start = FT_PEEK_USHORT( p ); 711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_delta = FT_PEEK_SHORT( p ); 714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = FT_PEEK_USHORT( p ); 717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 71877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 71977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 72077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( range_index >= num_ranges - 1 && 72177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_start == 0xFFFFU && 72277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_end == 0xFFFFU ) 72377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 72477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face; 72577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 72677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 72777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 72877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 72977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 73077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_delta = 1; 73177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 73277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 73377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 73477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_values = offset ? p + offset : NULL; 738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_range = range_index; 739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we skip empty segments */ 743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_index++; 744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode; */ 751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* caller should call tt_cmap4_set_range with proper range */ 752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* before calling this function */ 753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( TT_CMap4 cmap ) 756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt charcode; 758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFUL ) 761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 763295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner charcode = (FT_UInt)cmap->cur_charcode + 1; 764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* values = cmap->cur_values; 771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt end = cmap->cur_end; 772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = cmap->cur_delta; 773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode <= end ) 776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( values ) 778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = values + 2 * ( charcode - cmap->cur_start ); 780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = FT_NEXT_USHORT( p ); 785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( ( gindex + delta ) & 0xFFFFU ); 790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = (FT_UInt)( ( charcode + delta ) & 0xFFFFU ); 804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we need to find another range */ 817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap, cmap->cur_range + 1 ) < 0 ) 818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 825295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL; 826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_validate( FT_Byte* table, 832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 8349c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* p; 8359c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_UInt length; 8369c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *ends, *starts, *offsets, *deltas, *glyph_ids; 838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs; 839727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8429c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod if ( table + 2 + 2 > valid->limit ) 8439c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_INVALID_TOO_SHORT; 8449c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 8459c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod p = table + 2; /* skip format */ 8469c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod length = TT_NEXT_USHORT( p ); 8479c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 ) 849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in certain fonts, the `length' field is invalid and goes */ 852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* out of bound. We try to correct this here... */ 853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit ) 854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = (FT_UInt)( valid->limit - table ); 859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = TT_NEXT_USHORT( p ); /* read segCountX2 */ 863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that we have an even value here */ 867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_segs & 1 ) 868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs /= 2; 872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 + num_segs * 2 * 4 ) 874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the search parameters - even though we never use them */ 877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 88077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check the values of `searchRange', `entrySelector', `rangeShift' */ 881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt search_range = TT_NEXT_USHORT( p ); 882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt entry_selector = TT_NEXT_USHORT( p ); 883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_shift = TT_NEXT_USHORT( p ); 884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( search_range | range_shift ) & 1 ) /* must be even values */ 887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range /= 2; 890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_shift /= 2; 891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `search range' is the greatest power of 2 that is <= num_segs */ 893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( search_range > num_segs || 895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range * 2 < num_segs || 896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range + range_shift != num_segs || 897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range != ( 1U << entry_selector ) ) 898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ends = table + 14; 902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project starts = table + 16 + num_segs * 2; 903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project deltas = starts + num_segs * 2; 904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offsets = deltas + num_segs * 2; 905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_ids = offsets + num_segs * 2; 906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 90777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check last segment; its end count value must be 0xFFFF */ 908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = ends + ( num_segs - 1 ) * 2; 911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0xFFFFU ) 912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 91677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt start, end, offset, n; 91777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt last_start = 0, last_end = 0; 91877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Int delta; 919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_start = starts; 920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_end = ends; 921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_delta = deltas; 922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_offset = offsets; 923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_segs; n++ ) 926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = p_offset; 928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p_start ); 929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p_end ); 930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT( p_delta ); 931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_USHORT( p_offset ); 932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 93677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* this test should be performed at default validation level; */ 93777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* unfortunately, some popular Asian fonts have overlapping */ 93877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* ranges in their charmaps */ 93977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* */ 940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start <= last_end && n > 0 ) 941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* allow overlapping segments, provided their start points */ 94777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* and end points, respectively, are in ascending order */ 948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( last_start > start || last_end > end ) 950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_UNSORTED; 951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_OVERLAPPING; 953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset != 0xFFFFU ) 957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 95877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner p += offset; /* start of glyph ID array */ 959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 96077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check that we point within the glyph IDs table only */ 961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > table + length ) 965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 96777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Some fonts handle the last segment incorrectly. In */ 96877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* theory, 0xFFFF might point to an ordinary glyph -- */ 96977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* a cmap 4 is versatile and could be used for any */ 97077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* encoding, not only Unicode. However, reality shows */ 97177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* that far too many fonts are sloppy and incorrectly */ 97277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* set all fields but `start' and `end' for the last */ 97377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* segment if it contains only a single character. */ 97477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* */ 97577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* We thus omit the test here, delaying it to the */ 97677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* routines which actually access the cmap. */ 97777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner else if ( n != num_segs - 1 || 97877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner !( start == 0xFFFFU && end == 0xFFFFU ) ) 979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > valid->limit ) 982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices within the segment range */ 986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, idx; 989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = start; i < end; i++ ) 992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = FT_NEXT_USHORT( p ); 994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( idx + delta ) & 0xFFFFU; 997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( offset == 0xFFFFU ) 1005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 100677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts (erroneously?) use a range offset of 0xFFFF */ 1007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to mean missing glyph in cmap table */ 1008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 100977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( valid->level >= FT_VALIDATE_PARANOID || 101077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner n != num_segs - 1 || 101177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner !( start == 0xFFFFU && end == 0xFFFFU ) ) 1012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_start = start; 1016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_end = end; 1017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 1021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 102577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner tt_cmap4_char_map_linear( TT_CMap cmap, 102677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt32* pcharcode, 102777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool next ) 1028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 1030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 1031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, num_segs; 1032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode; 1033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 1038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 1039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 1041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs ) 1043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 1047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* linear search */ 1049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; charcode <= 0xFFFFU; charcode++ ) 1050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* q; 1052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14; /* ends table */ 1055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q = cmap->data + 16 + num_segs2; /* starts table */ 1056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < num_segs; i++ ) 1058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p ); 1060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( q ); 1061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode >= start && charcode <= end ) 1063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = q - 2 + num_segs2; 1065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 106977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 107077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 107177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( i >= num_segs - 1 && 107277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner start == 0xFFFFU && end == 0xFFFFU ) 107377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 107477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.charmap.face; 107577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 107677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 107777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 107877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 107977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 108077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner delta = 1; 108177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 108277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 108377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 108477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 1085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project continue; 1087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !next || gindex ) 1103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next && gindex ) 1107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 111477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner tt_cmap4_char_map_binary( TT_CMap cmap, 111577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt32* pcharcode, 111677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool next ) 1117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 1119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 1120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt max, min, mid, num_segs; 1121295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt charcode = (FT_UInt)*pcharcode; 1122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 1127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 1128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs2 ) 1130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 1133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 1135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_segs; 1136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFU; 1137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 1140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 1142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_segs; 1143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 1145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 1146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 1148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < start ) 1154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( charcode > end ) 1156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 1157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 116477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 116577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 116677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( mid >= num_segs - 1 && 116777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner start == 0xFFFFU && end == 0xFFFFU ) 116877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 116977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.charmap.face; 117077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 117177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 117277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 117377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 117477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 117577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner delta = 1; 117677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 117777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 117877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 117977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 1180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the first segment containing `charcode' */ 1181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_OVERLAPPING ) 1182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 1184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* call the current segment `max' */ 1187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max + 1; 1191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments before the current segment */ 1193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max ; i > 0; i-- ) 1194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt prev_end; 1196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* old_p; 1197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project old_p = p; 1200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + ( i - 1 ) * 2; 1201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project prev_end = TT_PEEK_USHORT( p ); 1202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > prev_end ) 1204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = old_p; 1206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = prev_end; 1210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i - 1; 1219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no luck */ 1222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max + 1 ) 1223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( i != max ) 1225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + max * 2; 1227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max; 1237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments after the current segment */ 1239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max + 1; i < num_segs; i++ ) 1240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt next_end, next_start; 1242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + i * 2; 1245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_end = TT_PEEK_USHORT( p ); 1246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_start = TT_PEEK_USHORT( p ); 1248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < next_start ) 1250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = next_end; 1253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = next_start; 1254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i--; 1263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* still no luck */ 1265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max ) 1266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end, start, delta, and offset are for the i'th segment */ 1274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid != i ) 1275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `charcode' is not in any segment, then `mid' is */ 1312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment nearest to `charcode' */ 1313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > end ) 1316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 1318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_segs ) 1319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap4, mid ) ) 1323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_gindex = gindex; 1333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = cmap4->cur_charcode; 1342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_index( TT_CMap cmap, 1351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_linear( cmap, &char_code, 0 ); 1358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_binary( cmap, &char_code, 0 ); 1360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1363295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_next( TT_CMap cmap, 1365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code >= 0xFFFFU ) 1371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_linear( cmap, pchar_code, 1 ); 1375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 1381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code == cmap4->cur_charcode ) 1382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap4->cur_charcode; 1387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_binary( cmap, pchar_code, 1 ); 1390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_get_info( TT_CMap cmap, 1398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1403295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 4; 1404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1406727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 1407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1410727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 1411727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap4_class_rec, 1412727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMap4Rec ), 1413727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap4_init, 1414727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 1415727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap4_char_index, 1416727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap4_char_next, 1417727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1418727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1419727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1420727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1421727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1422727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 4, 1425727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap4_validate, 1426727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap4_get_info ) 1427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_4 */ 1429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 6 *****/ 1435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 1447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 1448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 1449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first 6 USHORT first segment code */ 1451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8 USHORT segment size in chars */ 145277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyphIds 10 USHORT[count] glyph IDs */ 1453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A very simplified segment mapping. */ 1455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_6 1458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_validate( FT_Byte* table, 1461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length, count; 1465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 10 > valid->limit ) 1468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 2; 1471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_USHORT( p ); 1472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8; /* skip language and start index */ 1474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 1475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 10 + count * 2 ) 1477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1493727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 1494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_index( TT_CMap cmap, 1499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)( char_code - start ); 1507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1518295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_next( TT_CMap cmap, 1520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 1531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( char_code - start ); 1540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_get_info( TT_CMap cmap, 1561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1566295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 6; 1567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1569727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 1570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1573727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 1574727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap6_class_rec, 1575727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMapRec ), 1576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1577727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap_init, 1578727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 1579727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap6_char_index, 1580727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap6_char_next, 1581727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1582727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1583727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1584727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1585727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1586727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 6, 1589727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap6_validate, 1590727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap6_get_info ) 1591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_6 */ 1593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 8 *****/ 1599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 160077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /***** It is hard to completely understand what the OpenType spec *****/ 1601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** says about this format, but here is my conclusion. *****/ 1602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The purpose of this format is to easily map UTF-16 text to *****/ 1604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** glyph indices. Basically, the `char_code' must be in one of *****/ 1605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** the following formats: *****/ 1606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 16-bit value that isn't part of the Unicode Surrogates *****/ 1608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area (i.e. U+D800-U+DFFF). *****/ 1609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 32-bit value, made of two surrogate values, i.e.. if *****/ 1611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_code = (char_hi << 16) | char_lo', then both *****/ 1612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_hi' and `char_lo' must be in the Surrogates Area. *****/ 1613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area. *****/ 1614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 161577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /***** The `is32' table embedded in the charmap indicates whether a *****/ 1616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** given 16-bit value is in the surrogates area or not. *****/ 1617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** So, for any given `char_code', we can assert the following: *****/ 1619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi == 0' then we must have `is32[char_lo] == 0'. *****/ 1621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi != 0' then we must have both *****/ 1623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `is32[char_hi] != 0' and `is32[char_lo] != 0'. *****/ 1624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 8 */ 1636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is32 12 BYTE[8192] 32-bitness bitmap */ 1640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8204 ULONG number of groups */ 1641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 164277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* This header is followed by `count' groups of the following format: */ 1643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 1645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 164677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* startId 8 ULONG start glyph ID for the group */ 1647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_8 1650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_validate( FT_Byte* table, 1653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* is32; 1657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 length; 1658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups; 1659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 + 8192 > valid->limit ) 1662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1665295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_UInt32)( valid->limit - table ) || length < 8192 + 16 ) 1666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project is32 = table + 12; 1669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = is32 + 8192; /* skip `is32' array */ 1670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 1671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p + num_groups * 12 > valid->limit ) 1673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 1676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 n, start, end, start_id, count, last = 0; 1678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 1681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt hi, lo; 1683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 1690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 1693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 1698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = (FT_UInt32)( end - start + 1 ); 1701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start & ~0xFFFFU ) 1703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi != 0; check that is32[i] is 1 for each i in */ 1705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the `hi' and `lo' of the range [start..end] */ 1706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project hi = (FT_UInt)( start >> 16 ); 1709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[hi >> 3] & ( 0x80 >> ( hi & 7 ) ) ) == 0 ) 1712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) == 0 ) 1715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi == 0; check that is32[i] is 0 for each i in */ 1721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the range [start..end] */ 1722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end_hi cannot be != 0! */ 1724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( end & ~0xFFFFU ) 1725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) != 0 ) 1732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 1738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1741727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 1742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_index( TT_CMap cmap, 1747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( start_id + char_code - start ); 1768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1775295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_next( TT_CMap cmap, 1777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8208; 1789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( char_code - start + start_id ); 1802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_get_info( TT_CMap cmap, 1818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1823295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 8; 1824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1826727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 1827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1830727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 1831727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap8_class_rec, 1832727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMapRec ), 1833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1834727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap_init, 1835727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 1836727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap8_char_index, 1837727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap8_char_next, 1838727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1839727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1840727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1841727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1842727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1843727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8, 1846727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap8_validate, 1847727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap8_get_info ) 1848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_8 */ 1850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 10 *****/ 1856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 10 */ 1868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 12 ULONG first char in range */ 1873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 16 ULONG number of chars in range */ 1874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyphIds 20 USHORT[count] glyph indices covered */ 1875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_10 1878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_validate( FT_Byte* table, 1881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length, count; 1885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 20 > valid->limit ) 1888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 16; 1892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_ULONG( p ); 1893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1894295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 1895295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 20 + count * 2 ) 1896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1912727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 1913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_index( TT_CMap cmap, 1918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx = (FT_ULong)( char_code - start ); 1926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1937295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_next( TT_CMap cmap, 1939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx; 1948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt32)( char_code - start ); 1954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = char_code; 1965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_get_info( TT_CMap cmap, 1971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1976295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 10; 1977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1979727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 1980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1983727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 1984727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap10_class_rec, 1985727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMapRec ), 1986727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1987727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap_init, 1988727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 1989727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap10_char_index, 1990727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap10_char_next, 1991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1992727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1993727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1994727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1995727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1996727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 1997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 10, 1999727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap10_validate, 2000727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap10_get_info ) 2001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_10 */ 2003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 12 *****/ 2009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 2016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 2017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 2019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 12 */ 2021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 2022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 2023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 2024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 12 ULONG number of groups */ 2025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 16 */ 2026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This header is followed by `count' groups of the following format: */ 2028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 2030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 203177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* startId 8 ULONG start glyph ID for the group */ 2032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_12 2035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap12Rec_ 2037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 2039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool valid; 2040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_charcode; 2041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; 2042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_group; 2043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_groups; 2044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap12Rec, *TT_CMap12; 2046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_init( TT_CMap12 cmap, 2050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 2051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 2053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 12; 2055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_groups = FT_PEEK_ULONG( table ); 2056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 2058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2059727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_validate( FT_Byte* table, 2065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 2066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 20679c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* p; 20689c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_ULong length; 20699c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_ULong num_groups; 2070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 > valid->limit ) 2073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 4; 2076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 2077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 12; 2079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 2080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2081295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 2082295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 16 + 12 * num_groups ) 2083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 2086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, start, end, start_id, last = 0; 2088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 2091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 2095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 2097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 2100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 2103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 2105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 2109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2112727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode */ 2117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* cmap->cur_group should be set up properly by caller */ 2118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 2120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( TT_CMap12 cmap ) 2121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 2123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start, end, start_id, char_code; 2124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n; 2125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 2126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) 2129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 2130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = cmap->cur_charcode + 1; 2132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) 2134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->cmap.data + 16 + 12 * n; 2136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_PEEK_ULONG( p ); 2139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 2142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; char_code <= end; char_code++ ) 2144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = char_code;; 2150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 2151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_group = n; 2152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 2154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 2159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 2160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_map_binary( TT_CMap cmap, 2165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* pchar_code, 2166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool next ) 2167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 2169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 12; 2170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_PEEK_ULONG( p ); 2171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code; 2172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 2173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min, mid; 2174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_groups ) 2177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 2180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_groups; 2181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFFFFFUL; 2182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 2185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_groups; 2188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 2193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 16 + 12 * mid; 2194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > end ) 2201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_PEEK_ULONG( p ); 2205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `char_code' is not in any group, then `mid' is */ 2217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the group nearest to `char_code' */ 2218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code > end ) 2221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 2223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_groups ) 2224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->valid = 1; 2228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_charcode = char_code; 2229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_group = mid; 2230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !gindex ) 2232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_gindex = gindex; 2240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap12->cur_charcode; 2243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 2246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_index( TT_CMap cmap, 2251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap12_char_map_binary( cmap, &char_code, 0 ); 2254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2257295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 2258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_next( TT_CMap cmap, 2259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gindex; 2263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->cur_charcode >= 0xFFFFFFFFUL ) 2266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 2269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid && cmap12->cur_charcode == *pchar_code ) 2270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2275295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2276295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* XXX: check cur_charcode overflow is expected */ 2277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2278295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *pchar_code = (FT_UInt32)cmap12->cur_charcode; 2279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = 0; 2282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap12_char_map_binary( cmap, pchar_code, 1 ); 2285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2286295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* XXX: check gindex overflow is expected */ 2287295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return (FT_UInt32)gindex; 2288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_get_info( TT_CMap cmap, 2293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 2296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2298295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 12; 2299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 2300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2301727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2305727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 2306727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap12_class_rec, 2307727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMap12Rec ), 2308727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 2309727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap12_init, 2310727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 2311727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap12_char_index, 2312727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap12_char_next, 2313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2314727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2315727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2316727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2317727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2318727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 12, 2321727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap12_validate, 2322727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap12_get_info ) 2323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_12 */ 2325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2330295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /***** FORMAT 13 *****/ 2331295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /***** *****/ 2332295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2333295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2334295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2335295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2336295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2337295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* TABLE OVERVIEW */ 2338295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* -------------- */ 2339295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2340295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* NAME OFFSET TYPE DESCRIPTION */ 2341295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2342295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* format 0 USHORT must be 13 */ 2343295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* reserved 2 USHORT reserved */ 2344295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* length 4 ULONG length in bytes */ 2345295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* language 8 ULONG Mac language code */ 2346295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* count 12 ULONG number of groups */ 2347295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* 16 */ 2348295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2349295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* This header is followed by `count' groups of the following format: */ 2350295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2351295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* start 0 ULONG first charcode */ 2352295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* end 4 ULONG last charcode */ 2353295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* glyphId 8 ULONG glyph ID for the whole group */ 2354295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2355295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2356295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#ifdef TT_CONFIG_CMAP_FORMAT_13 2357295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2358295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner typedef struct TT_CMap13Rec_ 2359295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2360295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMapRec cmap; 2361295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Bool valid; 2362295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong cur_charcode; 2363295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt cur_gindex; 2364295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong cur_group; 2365295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong num_groups; 2366295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2367295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } TT_CMap13Rec, *TT_CMap13; 2368295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2369295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2370295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_Error ) 2371295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_init( TT_CMap13 cmap, 2372295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* table ) 2373295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2374295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cmap.data = table; 2375295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2376295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner table += 12; 2377295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->num_groups = FT_PEEK_ULONG( table ); 2378295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2379295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->valid = 0; 2380295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2381727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2382295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2383295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2384295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2385295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_Error ) 2386295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_validate( FT_Byte* table, 2387295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Validator valid ) 2388295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2389727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Byte* p; 2390727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_ULong length; 2391727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_ULong num_groups; 2392295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2393295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2394295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( table + 16 > valid->limit ) 2395295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_TOO_SHORT; 2396295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2397295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = table + 4; 2398295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length = TT_NEXT_ULONG( p ); 2399295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2400295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = table + 12; 2401295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner num_groups = TT_NEXT_ULONG( p ); 2402295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2403295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 2404295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 16 + 12 * num_groups ) 2405295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_TOO_SHORT; 2406295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2407295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* check groups, they must be in increasing order */ 2408295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2409295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong n, start, end, glyph_id, last = 0; 2410295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2411295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2412295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner for ( n = 0; n < num_groups; n++ ) 2413295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2414295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner start = TT_NEXT_ULONG( p ); 2415295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = TT_NEXT_ULONG( p ); 2416295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner glyph_id = TT_NEXT_ULONG( p ); 2417295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2418295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( start > end ) 2419295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_DATA; 2420295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2421295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( n > 0 && start <= last ) 2422295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_DATA; 2423295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2424295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( valid->level >= FT_VALIDATE_TIGHT ) 2425295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2426295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( glyph_id >= TT_VALID_GLYPH_COUNT( valid ) ) 2427295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_GLYPH_ID; 2428295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2429295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2430295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner last = end; 2431295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2432295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2433295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2434727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2435295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2436295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2437295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2438295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* search the index of the charcode next to cmap->cur_charcode */ 2439295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* cmap->cur_group should be set up properly by caller */ 2440295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2441295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner static void 2442295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_next( TT_CMap13 cmap ) 2443295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2444295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* p; 2445295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong start, end, glyph_id, char_code; 2446295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong n; 2447295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt gindex; 2448295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2449295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2450295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) 2451295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner goto Fail; 2452295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2453295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner char_code = cmap->cur_charcode + 1; 2454295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2455295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) 2456295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2457295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = cmap->cmap.data + 16 + 12 * n; 2458295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner start = TT_NEXT_ULONG( p ); 2459295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = TT_NEXT_ULONG( p ); 2460295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner glyph_id = TT_PEEK_ULONG( p ); 2461295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2462295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code < start ) 2463295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner char_code = start; 2464295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2465295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code <= end ) 2466295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2467295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = (FT_UInt)glyph_id; 2468295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2469295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( gindex ) 2470295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2471295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_charcode = char_code;; 2472295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_gindex = gindex; 2473295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_group = n; 2474295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2475295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return; 2476295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2477295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2478295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2479295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2480295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner Fail: 2481295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->valid = 0; 2482295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2483295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2484295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2485295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner static FT_UInt 2486295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_char_map_binary( TT_CMap cmap, 2487295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32* pchar_code, 2488295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Bool next ) 2489295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2490295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt gindex = 0; 2491295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* p = cmap->data + 12; 2492295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 num_groups = TT_PEEK_ULONG( p ); 2493295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 char_code = *pchar_code; 2494295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 start, end; 2495295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 max, min, mid; 2496295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2497295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2498295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( !num_groups ) 2499295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return 0; 2500295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2501295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* make compiler happy */ 2502295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner mid = num_groups; 2503295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = 0xFFFFFFFFUL; 2504295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2505295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( next ) 2506295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner char_code++; 2507295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2508295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner min = 0; 2509295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner max = num_groups; 2510295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2511295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* binary search */ 2512295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner while ( min < max ) 2513295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2514295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner mid = ( min + max ) >> 1; 2515295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = cmap->data + 16 + 12 * mid; 2516295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2517295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner start = TT_NEXT_ULONG( p ); 2518295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = TT_NEXT_ULONG( p ); 2519295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2520295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code < start ) 2521295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner max = mid; 2522295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else if ( char_code > end ) 2523295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner min = mid + 1; 2524295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2525295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2526295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = (FT_UInt)TT_PEEK_ULONG( p ); 2527295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2528295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner break; 2529295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2530295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2531295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2532295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( next ) 2533295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2534295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap13 cmap13 = (TT_CMap13)cmap; 2535295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2536295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2537295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* if `char_code' is not in any group, then `mid' is */ 2538295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* the group nearest to `char_code' */ 2539295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2540295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code > end ) 2541295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2542295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner mid++; 2543295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( mid == num_groups ) 2544295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return 0; 2545295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2546295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2547295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->valid = 1; 2548295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->cur_charcode = char_code; 2549295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->cur_group = mid; 2550295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2551295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( !gindex ) 2552295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2553295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_next( cmap13 ); 2554295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2555295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->valid ) 2556295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = cmap13->cur_gindex; 2557295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2558295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2559295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->cur_gindex = gindex; 2560295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2561295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( gindex ) 2562295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *pchar_code = cmap13->cur_charcode; 2563295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2564295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2565295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return gindex; 2566295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2567295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2568295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2569295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt ) 2570295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_char_index( TT_CMap cmap, 2571295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 char_code ) 2572295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2573295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return tt_cmap13_char_map_binary( cmap, &char_code, 0 ); 2574295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2575295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2576295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2577295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 2578295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_char_next( TT_CMap cmap, 2579295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 *pchar_code ) 2580295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2581295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap13 cmap13 = (TT_CMap13)cmap; 2582295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt gindex; 2583295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2584295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2585295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->cur_charcode >= 0xFFFFFFFFUL ) 2586295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return 0; 2587295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2588295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* no need to search */ 2589295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->valid && cmap13->cur_charcode == *pchar_code ) 2590295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2591295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_next( cmap13 ); 2592295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->valid ) 2593295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2594295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = cmap13->cur_gindex; 2595295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( gindex ) 2596295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *pchar_code = cmap13->cur_charcode; 2597295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2598295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2599295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = 0; 2600295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2601295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2602295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = tt_cmap13_char_map_binary( cmap, pchar_code, 1 ); 2603295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2604295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return gindex; 2605295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2606295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2607295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2608295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_Error ) 2609295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_get_info( TT_CMap cmap, 2610295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMapInfo *cmap_info ) 2611295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2612295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* p = cmap->data + 8; 2613295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2614295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2615295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 13; 2616295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 2617295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2618727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2619295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2620295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2621295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2622727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 2623727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap13_class_rec, 2624727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMap13Rec ), 2625295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2626727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap13_init, 2627727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) NULL, 2628727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap13_char_index, 2629727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap13_char_next, 2630727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 2631727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2632727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2633727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2634727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2635727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease NULL, 2636295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2637295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 13, 2638727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_ValidateFunc)tt_cmap13_validate, 2639727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap13_get_info ) 2640295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2641295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#endif /* TT_CONFIG_CMAP_FORMAT_13 */ 2642295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2643295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2644295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2645295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2646295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /***** *****/ 2647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 14 *****/ 2648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 2655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 2656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 2658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 14 */ 2660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 ULONG table length in bytes */ 2661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numSelector 6 ULONG number of variation sel. records */ 2662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Followed by numSelector records, each of which looks like */ 2664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* varSelector 0 UINT24 Unicode codepoint of sel. */ 2666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* defaultOff 3 ULONG offset to a default UVS table */ 2667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants to be found in */ 2668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the normal Unicode subtable. */ 2669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* nonDefOff 7 ULONG offset to a non-default UVS table */ 2670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants not in the */ 2671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* standard cmap, with GIDs here */ 2672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* (either offset may be 0 NULL) */ 2673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Selectors are sorted by code point. */ 2675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A default Unicode Variation Selector (UVS) subtable is just a list of */ 2677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges of code points which are to be found in the standard cmap. No */ 2678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyph IDs (GIDs) here. */ 2679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numRanges 0 ULONG number of ranges following */ 2681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* additionalCnt 3 UBYTE count of additional characters in this */ 2687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* range (zero means a range of a single */ 2688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* character) */ 2689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A non-default Unicode Variation Selector (UVS) subtable is a list of */ 2693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings from codepoint to GID. */ 2694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numMappings 0 ULONG number of mappings */ 2696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* GID 3 USHORT and its GID */ 2702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_14 2706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap14Rec_ 2708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 2710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_selectors; 2711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This array is used to store the results of various 2713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * cmap 14 query functions. The data is overwritten 2714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * on each call to these functions. 2715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2716295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 max_results; 2717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* results; 2718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory; 2719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap14Rec, *TT_CMap14; 2721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( void ) 2724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_done( TT_CMap14 cmap ) 2725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = cmap->memory; 2727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = 0; 2730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( memory != NULL && cmap->results != NULL ) 2731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( cmap->results ); 2732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 2736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_ensure( TT_CMap14 cmap, 2737295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 num_results, 2738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2740727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_UInt32 old_max = cmap->max_results; 2741727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 2742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_results > cmap->max_results ) 2745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->memory = memory; 2747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_QRENEW_ARRAY( cmap->results, old_max, num_results ) ) 2749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = num_results; 2752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_init( TT_CMap14 cmap, 2760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 2761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 2763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 6; 2765727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease cmap->num_selectors = FT_PEEK_ULONG( table ); 2766727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease cmap->max_results = 0; 2767727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease cmap->results = NULL; 2768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2769727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_validate( FT_Byte* table, 2775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 2776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 27779c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_Byte* p; 27789c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_ULong length; 27799c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_ULong num_selectors; 27809c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 27819c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 27829c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod if ( table + 2 + 4 + 4 > valid->limit ) 27839c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_INVALID_TOO_SHORT; 2784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 27859c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod p = table + 2; 27869c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod length = TT_NEXT_ULONG( p ); 27879c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod num_selectors = TT_NEXT_ULONG( p ); 2788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2789295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 2790295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 10 + 11 * num_selectors ) 2791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check selectors, they must be in increasing order */ 2794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we start lastVarSel at 1 because a variant selector value of 0 2796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * isn't valid. 2797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, lastVarSel = 1; 2799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_selectors; n++ ) 2802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 2804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 2805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 2806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff >= length || nondefOff >= length ) 2809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( varSel < lastVarSel ) 2812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastVarSel = varSel + 1; 2815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the default table (these glyphs should be reached */ 2817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* through the normal Unicode cmap, no GIDs, just check order) */ 2818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 ) 2819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* defp = table + defOff; 2821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numRanges = TT_NEXT_ULONG( defp ); 2822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong i; 2823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong lastBase = 0; 2824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defp + numRanges * 4 > valid->limit ) 2827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numRanges; ++i ) 2830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong base = TT_NEXT_UINT24( defp ); 2832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cnt = FT_NEXT_BYTE( defp ); 2833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base + cnt >= 0x110000UL ) /* end of Unicode */ 2836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base < lastBase ) 2839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastBase = base + cnt + 1U; 2842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and the non-default table (these glyphs are specified here) */ 2846aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( nondefOff != 0 ) 2847aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich { 2848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* ndp = table + nondefOff; 2849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numMappings = TT_NEXT_ULONG( ndp ); 2850727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_ULong i, lastUni = 0; 2851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2853295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( numMappings * 4 > (FT_ULong)( valid->limit - ndp ) ) 2854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 2857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong uni = TT_NEXT_UINT24( ndp ); 2859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gid = TT_NEXT_USHORT( ndp ); 2860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni >= 0x110000UL ) /* end of Unicode */ 2863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni < lastUni ) 2866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastUni = uni + 1U; 2869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT && 2871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gid >= TT_VALID_GLYPH_COUNT( valid ) ) 2872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2878727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_index( TT_CMap cmap, 2884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( char_code ); 2888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2894295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 2895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_next( TT_CMap cmap, 2896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = 0; 2902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_info( TT_CMap cmap, 2908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2912295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 14; 2913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* subtable 14 does not define a language field */ 2914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = 0xFFFFFFFFUL; 2915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2916727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 2917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( FT_Byte *base, 2922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges = TT_PEEK_ULONG( base ); 2925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numRanges; 2930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 4 * mid; 2938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start = TT_NEXT_UINT24( p ); 2939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt = FT_NEXT_BYTE( p ); 2940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > start+cnt ) 2945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TRUE; 2948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return FALSE; 2951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( FT_Byte *base, 2956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings = TT_PEEK_ULONG( base ); 2959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numMappings; 2964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 5 * mid; 2972295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); 2973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < uni ) 2976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > uni ) 2978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TT_PEEK_USHORT( p ); 2981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 2988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_find_variant( FT_Byte *base, 2989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 variantCode ) 2990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numVar = TT_PEEK_ULONG( base ); 2992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numVar; 2997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 3001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 3002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 3004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 11 * mid; 3005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 3006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( variantCode < varSel ) 3009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 3010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( variantCode > varSel ) 3011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 3012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return p; 3014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 3021295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap14_char_var_index( TT_CMap cmap, 3022295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap ucmap, 3023295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 charcode, 3024727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_UInt32 variantSelector ) 3025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 3027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 3028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 3029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 3032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 3033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 3035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_PEEK_ULONG( p ); 3036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 3038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 3039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This is the default variant of this charcode. GID not stored */ 3041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* here; stored in the normal Unicode charmap instead. */ 3042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ucmap->cmap.clazz->char_index( &ucmap->cmap, charcode ); 3043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 ) 3046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 3047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ); 3048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 3050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Int ) 3054295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap14_char_var_isdefault( TT_CMap cmap, 3055295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 charcode, 3056295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 variantSelector ) 3057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 3059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 3060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 3061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 3064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 3065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 3067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 3068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 3070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 3071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 1; 3072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 && 3074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 3075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ) != 0 ) 3076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 3077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 3079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32* ) 3083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variants( TT_CMap cmap, 3084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 3085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14)cmap; 3087295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 count = cmap14->num_selectors; 3088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 3089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* result; 3090295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 i; 3091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 3094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = cmap14->results; 3097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < count; ++i ) 3098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3099295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner result[i] = (FT_UInt32)TT_NEXT_UINT24( p ); 3100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 8; 3101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result[i] = 0; 3103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 3105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 3109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_variants( TT_CMap cmap, 3110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 3111295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 charCode ) 3112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3114295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 count = cmap14->num_selectors; 3115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 3116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 3117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 3120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; count > 0; --count ) 3123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 varSel = TT_NEXT_UINT24( p ); 3125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 3126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 3127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( defOff != 0 && 3130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, 3131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) ) || 3132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ( nondefOff != 0 && 3133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 3134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) != 0 ) ) 3135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = varSel; 3137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q++; 3138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 3141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 3143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 3147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_def_char_count( FT_Byte *p ) 3148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3149295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 numRanges = (FT_UInt32)TT_NEXT_ULONG( p ); 3150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt tot = 0; 3151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 315377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner p += 3; /* point to the first `cnt' field */ 3154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; numRanges > 0; numRanges-- ) 3155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tot += 1 + p[0]; 3157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 4; 3158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tot; 3161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt32* 3165727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap14_get_def_chars( TT_CMap cmap, 3166727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Byte* p, 3167727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Memory memory ) 3168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 3171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt; 3172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 3173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = tt_cmap14_def_char_count( p ); 3176295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numRanges = (FT_UInt32)TT_NEXT_ULONG( p ); 3177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( cnt + 1 ), memory ) ) 3179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; numRanges > 0; --numRanges ) 3182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3183727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); 3184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = FT_NEXT_BYTE( p ) + 1; 3187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 3188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = uni; 3190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project uni += 1; 3191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q += 1; 3192727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( --cnt != 0 ); 3194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 3196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 3198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 320177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner static FT_UInt32* 3202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_nondef_chars( TT_CMap cmap, 3203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p, 3204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 3205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 3208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 3209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *ret; 3210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3212295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numMappings = (FT_UInt32)TT_NEXT_ULONG( p ); 3213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( numMappings + 1 ), memory ) ) 3215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 3218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 3219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3220295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ret[i] = (FT_UInt32)TT_NEXT_UINT24( p ); 3221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 3224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 3226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 3230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variant_chars( TT_CMap cmap, 3231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 3232295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 variantSelector ) 3233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p = tt_cmap14_find_variant( cmap->data + 6, 3235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project variantSelector ); 3236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int i; 3237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 3238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 3239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 3242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 3245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 3246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 && nondefOff == 0 ) 3248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 ) 3251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 3252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( nondefOff == 0 ) 3254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 3255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Both a default and a non-default glyph set? That's probably not */ 3259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* good font design, but the spec allows for it... */ 3260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 3262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 3263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 duni; 3264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 dcnt; 3265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 nuni; 3266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* dp; 3267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt di, ni, k; 3268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3269ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease FT_UInt32 *ret; 3270ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease 3271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + nondefOff; 3273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dp = cmap->data + defOff; 3274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3275295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numMappings = (FT_UInt32)TT_NEXT_ULONG( p ); 3276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = tt_cmap14_def_char_count( dp ); 3277295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numRanges = (FT_UInt32)TT_NEXT_ULONG( dp ); 3278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( numMappings == 0 ) 3280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 3281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dcnt == 0 ) 3283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 3284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( dcnt + numMappings + 1 ), memory ) ) 3287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 3290295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner duni = (FT_UInt32)TT_NEXT_UINT24( dp ); 3291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 3292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project di = 1; 3293295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner nuni = (FT_UInt32)TT_NEXT_UINT24( p ); 3294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ni = 1; 3296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i = 0; 3297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 3299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni > duni + dcnt ) 3301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 3303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 3304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 3306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( di > numRanges ) 3308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3310295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner duni = (FT_UInt32)TT_NEXT_UINT24( dp ); 3311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 3312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni < duni ) 3316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 3317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If it is within the default range then ignore it -- */ 3318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* that should not have happened */ 3319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 3320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni > numMappings ) 3321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3323295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner nuni = (FT_UInt32)TT_NEXT_UINT24( p ); 3324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni <= numMappings ) 3329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all default ranges. */ 3331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We have read one non-default mapping which we haven't stored */ 3332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and there may be others that need to be read. */ 3333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 3334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( ni < numMappings ) 3335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3336295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ret[i++] = (FT_UInt32)TT_NEXT_UINT24( p ); 3337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 3339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( di <= numRanges ) 3342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all non-default */ 3344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings. We have read one default range which we haven't */ 3345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* stored and there may be others that need to be read. */ 3346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 3347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 3348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( di < numRanges ) 3350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3351295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner duni = (FT_UInt32)TT_NEXT_UINT24( dp ); 3352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 3353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 3355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 3356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 3357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 3361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 3363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3367727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_DEFINE_TT_CMAP( 3368727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease tt_cmap14_class_rec, 3369727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMap14Rec ), 3370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3371727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_InitFunc) tt_cmap14_init, 3372727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_DoneFunc) tt_cmap14_done, 3373727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharIndexFunc)tt_cmap14_char_index, 3374727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharNextFunc) tt_cmap14_char_next, 3375727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3376727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* Format 14 extension functions */ 3377727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index, 3378727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault, 3379727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_VariantListFunc) tt_cmap14_variants, 3380727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants, 3381727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars, 3382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 14, 3384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc)tt_cmap14_validate, 3385727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease (TT_CMap_Info_GetFunc)tt_cmap14_get_info ) 3386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 338777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner#endif /* TT_CONFIG_CMAP_FORMAT_14 */ 3388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3390295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#ifndef FT_CONFIG_OPTION_PIC 3391295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 3392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const TT_CMap_Class tt_cmap_classes[] = 3393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3394727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease#define TTCMAPCITEM( a ) &a, 3395295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#include "ttcmapc.h" 3396295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner NULL, 3397295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner }; 3398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3399295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#else /*FT_CONFIG_OPTION_PIC*/ 3400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3401727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease void 3402727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Destroy_Class_tt_cmap_classes( FT_Library library, 3403727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease TT_CMap_Class* clazz ) 3404295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 3405727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Memory memory = library->memory; 3406727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3407727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3408295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( clazz ) 3409295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_FREE( clazz ); 3410295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 3411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3412727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3413727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error 3414727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Create_Class_tt_cmap_classes( FT_Library library, 3415727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease TT_CMap_Class** output_class ) 3416295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 3417727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease TT_CMap_Class* clazz = NULL; 3418727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease TT_CMap_ClassRec* recs; 3419727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error; 3420727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Memory memory = library->memory; 3421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3422727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease int i = 0; 3423727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3424727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3425727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease#define TTCMAPCITEM( a ) i++; 3426295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#include "ttcmapc.h" 3427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3428727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* allocate enough space for both the pointers */ 3429727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* plus terminator and the class instances */ 3430727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease if ( FT_ALLOC( clazz, sizeof ( *clazz ) * ( i + 1 ) + 3431727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( TT_CMap_ClassRec ) * i ) ) 3432295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return error; 3433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3434295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* the location of the class instances follows the array of pointers */ 3435727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease recs = (TT_CMap_ClassRec*)( (char*)clazz + 3436727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease sizeof ( *clazz ) * ( i + 1 ) ); 3437727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease i = 0; 3438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3439295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#undef TTCMAPCITEM 3440727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease#define TTCMAPCITEM( a ) \ 3441727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Init_Class_ ## a( &recs[i] ); \ 3442727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease clazz[i] = &recs[i]; \ 3443295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner i++; 3444295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#include "ttcmapc.h" 3445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3446295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner clazz[i] = NULL; 3447295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 3448295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *output_class = clazz; 3449727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 3450295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 3451295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 3452295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#endif /*FT_CONFIG_OPTION_PIC*/ 3453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse the `cmap' table and build the corresponding TT_CMap objects */ 3456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in the current face */ 3457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 3458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Error ) 3459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_face_build_cmaps( TT_Face face ) 3460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = face->cmap_table; 3462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = table + face->cmap_size; 3463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt volatile num_cmaps; 3464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile p = table; 3465aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Library library = FT_FACE_LIBRARY( face ); 3466aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 3467aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_UNUSED( library ); 3468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3470aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( !p || p + 4 > limit ) 3471727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_THROW( Invalid_Table ); 3472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* only recognize format 0 */ 3474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_NEXT_USHORT( p ) != 0 ) 3475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3476295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ERROR(( "tt_face_build_cmaps:" 3477295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner " unsupported `cmap' table format = %d\n", 34789c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod TT_PEEK_USHORT( p - 2) )); 3479727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_THROW( Invalid_Table ); 3480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_cmaps = TT_NEXT_USHORT( p ); 3483727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 3484aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich#ifdef FT_MAX_CHARMAP_CACHEABLE 3485aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( num_cmaps > FT_MAX_CHARMAP_CACHEABLE ) 3486727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_ERROR(( "tt_face_build_cmaps: too many cmap subtables (%d)\n" 3487727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease " subtable #%d and higher are loaded" 3488727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease " but cannot be searched\n", 3489aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich num_cmaps, FT_MAX_CHARMAP_CACHEABLE + 1 )); 3490aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich#endif 3491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) 3493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CharMapRec charmap; 3495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 offset; 3496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.platform_id = TT_NEXT_USHORT( p ); 3499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding_id = TT_NEXT_USHORT( p ); 3500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.face = FT_FACE( face ); 3501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding = FT_ENCODING_NONE; /* will be filled later */ 3502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_ULONG( p ); 3503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset <= face->cmap_size - 2 ) 3505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile cmap = table + offset; 3507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile FT_UInt format = TT_PEEK_USHORT( cmap ); 3508727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease const TT_CMap_Class* volatile pclazz = TT_CMAP_CLASSES_GET; 3509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class volatile clazz; 3510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; *pclazz; pclazz++ ) 3513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project clazz = *pclazz; 3515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( clazz->format == format ) 3516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile TT_ValidatorRec valid; 3518727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease volatile FT_Error error = FT_Err_Ok; 3519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ft_validator_init( FT_VALIDATOR( &valid ), cmap, limit, 3522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_VALIDATE_DEFAULT ); 3523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project valid.num_glyphs = (FT_UInt)face->max_profile.numGlyphs; 3525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3526727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease if ( ft_setjmp( FT_VALIDATOR( &valid )->jump_buffer) == 0 ) 3527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* validate this cmap sub-table */ 3529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = clazz->validate( cmap, FT_VALIDATOR( &valid ) ); 3530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid.validator.error == 0 ) 3533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap ttcmap; 3535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3537727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* It might make sense to store the single variation */ 3538727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* selector cmap somewhere special. But it would have to be */ 3539727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* in the public FT_FaceRec, and we can't change that. */ 3540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_CMap_New( (FT_CMap_Class)clazz, 3542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap, &charmap, &ttcmap ) ) 3543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* it is simpler to directly set `flags' than adding */ 3545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a parameter to FT_CMap_New */ 3546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ((TT_CMap)ttcmap)->flags = (FT_Int)error; 3547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3551295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_TRACE0(( "tt_face_build_cmaps:" 3552295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner " broken cmap sub-table ignored\n" )); 3553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pclazz == NULL ) 3559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3560295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_TRACE0(( "tt_face_build_cmaps:" 3561295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner " unsupported cmap sub-table ignored\n" )); 3562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3566727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease return FT_Err_Ok; 3567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( FT_Error ) 3571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_get_cmap_info( FT_CharMap charmap, 3572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 3573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap cmap = (FT_CMap)charmap; 3575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class clazz = (TT_CMap_Class)cmap->clazz; 3576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return clazz->get_cmap_info( charmap, cmap_info ); 3579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* END */ 3583