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/* */ 7aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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; 59049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_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 { 91049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; 92049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length = TT_NEXT_USHORT( p ); 93049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 94049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 95049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 262 ) 96049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 97049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 98049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices whenever necessary */ 99049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt n, idx; 102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < 256; n++ ) 106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = *p++; 108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_char_index( TT_CMap cmap, 119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return char_code < 256 ? table[6 + char_code] : 0; 125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 128295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_char_next( TT_CMap cmap, 130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pchar_code; 134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 13877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner table += 6; /* go to glyph IDs */ 139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( ++charcode < 256 ) 140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = table[charcode]; 142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charcode; 145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_get_info( TT_CMap cmap, 156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 161295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 0; 162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 168295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap0_class_rec, 169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap0_char_index, 174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap0_char_next, 175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 177295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap0_validate, 180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap0_get_info 181295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_0 */ 184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 2 *****/ 190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** This is used for certain CJK encodings that encode text in a *****/ 192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** mixed 8/16 bits encoding along the following lines: *****/ 193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** * Certain byte values correspond to an 8-bit character code *****/ 195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (typically in the range 0..127 for ASCII compatibility). *****/ 196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** * Certain byte values signal the first byte of a 2-byte *****/ 198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code (but these values are also valid as the *****/ 199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** second byte of a 2-byte character). *****/ 200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The following charmap lookup and iteration functions all *****/ 202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** assume that the value "charcode" correspond to following: *****/ 203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - For one byte characters, "charcode" is simply the *****/ 205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code. *****/ 206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - For two byte characters, "charcode" is the 2-byte *****/ 208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code in big endian format. More exactly: *****/ 209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (charcode >> 8) is the first byte value *****/ 211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (charcode & 0xFF) is the second byte value *****/ 212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Note that not all values of "charcode" are valid according *****/ 214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** to these rules, and the function moderately check the *****/ 215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** arguments. *****/ 216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 2 */ 228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* keys 6 USHORT[256] sub-header keys */ 231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* subs 518 SUBHEAD[NSUBS] sub-headers array */ 23277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyph_ids 518+NSUB*8 USHORT[] glyph ID array */ 233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The `keys' table is used to map charcode high-bytes to sub-headers. */ 235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The value of `NSUBS' is the number of sub-headers defined in the */ 236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* table and is computed by finding the maximum of the `keys' table. */ 237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Note that for any n, `keys[n]' is a byte offset within the `subs' */ 239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* table, i.e., it is the corresponding sub-header index multiplied */ 240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* by 8. */ 241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Each sub-header has the following format: */ 243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first 0 USHORT first valid low-byte */ 247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 2 USHORT number of valid low-bytes */ 248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* delta 4 SHORT see below */ 249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* offset 6 USHORT see below */ 250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A sub-header defines, for each high-byte, the range of valid */ 252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* low-bytes within the charmap. Note that the range defined by `first' */ 253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and `count' must be completely included in the interval [0..255] */ 254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* according to the specification. */ 255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If a character code is contained within a given sub-header, then */ 257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mapping it to a glyph index is done as follows: */ 258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* * The value of `offset' is read. This is a _byte_ distance from the */ 260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* location of the `offset' field itself into a slice of the */ 26177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* `glyph_ids' table. Let's call it `slice' (it is a USHORT[] too). */ 262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* * The value `slice[char.lo - first]' is read. If it is 0, there is */ 264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no glyph for the charcode. Otherwise, the value of `delta' is */ 265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* added to it (modulo 65536) to form a new glyph index. */ 266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* It is up to the validation routine to check that all offsets fall */ 26877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* within the glyph IDs table (and not within the `subs' table itself or */ 269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* outside of the CMap). */ 270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_2 273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_validate( FT_Byte* table, 276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; /* skip format */ 279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length = TT_PEEK_USHORT( p ); 280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt n, max_subs; 281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* keys; /* keys table */ 282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subs; /* sub-headers */ 28377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* glyph_ids; /* glyph ID array */ 284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 6 + 512 ) 287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project keys = table + 6; 290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse keys to compute sub-headers count */ 292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = keys; 293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max_subs = 0; 294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < 256; n++ ) 295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = TT_NEXT_USHORT( p ); 297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* value must be multiple of 8 */ 300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID && ( idx & 7 ) != 0 ) 301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx >>= 3; 304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx > max_subs ) 306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max_subs = idx; 307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ASSERT( p == table + 518 ); 310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subs = p; 312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_ids = subs + (max_subs + 1) * 8; 313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( glyph_ids > valid->limit ) 314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse sub-headers */ 317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n <= max_subs; n++ ) 318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt first_code, code_count, offset; 320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* ids; 322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project first_code = TT_NEXT_USHORT( p ); 325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project code_count = TT_NEXT_USHORT( p ); 326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT( p ); 327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_USHORT( p ); 328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 32977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* many Dynalab fonts have empty sub-headers */ 33077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( code_count == 0 ) 33177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner continue; 33277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check range within 0..255 */ 334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( first_code >= 256 || first_code + code_count > 256 ) 337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check offset */ 341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0 ) 342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ids = p - 2 + offset; 344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ids < glyph_ids || ids + code_count*2 > table + length ) 345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_OFFSET; 346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 34777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check glyph IDs */ 348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = p + code_count * 2; 351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < limit; ) 355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = ( idx + delta ) & 0xFFFFU; 360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* return sub header corresponding to a given character code */ 373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NULL on invalid charcode */ 374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_subheader( FT_Byte* table, 376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* result = NULL; 379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < 0x10000UL ) 382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( char_code & 0xFF ); 384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_hi = (FT_UInt)( char_code >> 8 ); 385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; /* keys table */ 386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subs = table + 518; /* subheaders table */ 387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* sub; 388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_hi == 0 ) 391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* an 8-bit character code -- we use subHeader 0 in this case */ 393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to test whether the character code is in the charmap */ 394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs; /* jump to first sub-header */ 396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the sub-header for this byte is 0, which */ 39877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* indicates that it is really a valid one-byte value */ 399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Otherwise, return 0 */ 400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_lo * 2; 402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0 ) 403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a 16-bit character code */ 408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to key entry */ 410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_hi * 2; 411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to sub-header */ 412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs + ( FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 8 ) ); 413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the high byte isn't a valid one-byte value */ 415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( sub == subs ) 416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = sub; 419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_index( TT_CMap cmap, 427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, char_code ); 435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)(char_code & 0xFF); 439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start, count; 440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p ); 445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT ( p ); 447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx -= start; 450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count && offset != 0 ) 451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + 2 * idx; 453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_PEEK_USHORT( p ); 454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( idx + delta ) & 0xFFFFU; 457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 463295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_next( TT_CMap cmap, 465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pcharcode ) 466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode + 1; 471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( charcode < 0x10000UL ) 475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, charcode ); 477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = TT_NEXT_SHORT ( p ); 483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset = TT_PEEK_USHORT( p ); 484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( charcode & 0xFF ); 485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt pos, idx; 486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0 ) 489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Next_SubHeader; 490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_lo < start ) 492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_lo = start; 494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = 0; 495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = (FT_UInt)( char_lo - start ); 498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + pos * 2; 500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + char_lo; 501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; pos < count; pos++, charcode++ ) 503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = ( idx + delta ) & 0xFFFFU; 509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charcode; 512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to next sub-header, i.e. higher byte value */ 519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Next_SubHeader: 520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + 256; 521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = result; 525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_info( TT_CMap cmap, 532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 537295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 2; 538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 544295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap2_class_rec, 545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap2_char_index, 550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap2_char_next, 551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 553295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2, 555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap2_validate, 556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap2_get_info 557295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_2 */ 560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 4 *****/ 566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length */ 579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in bytes */ 580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segCountX2 6 USHORT 2*NUM_SEGS */ 583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange 8 USHORT 2*(1 << LOG_SEGS) */ 584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* entrySelector 10 USHORT LOG_SEGS */ 585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* rangeShift 12 USHORT segCountX2 - */ 586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange */ 587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* endCount 14 USHORT[NUM_SEGS] end charcode for */ 589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; last */ 590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is 0xFFFF */ 591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* pad 14+NUM_SEGS*2 USHORT padding */ 593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* startCount 16+NUM_SEGS*2 USHORT[NUM_SEGS] first charcode for */ 595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment */ 596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idDelta 16+NUM_SEGS*4 SHORT[NUM_SEGS] delta for each */ 598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segment */ 599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idOffset 16+NUM_SEGS*6 SHORT[NUM_SEGS] range offset for */ 600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; can be */ 601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* zero */ 602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 60377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph ID */ 604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges */ 605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Character codes are modelled by a series of ordered (increasing) */ 607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* intervals called segments. Each segment has start and end codes, */ 608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* provided by the `startCount' and `endCount' arrays. Segments must */ 60977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* not overlap, and the last segment should always contain the value */ 61077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* 0xFFFF for `endCount'. */ 611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The fields `searchRange', `entrySelector' and `rangeShift' are better */ 613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ignored (they are traces of over-engineering in the TrueType */ 614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* specification). */ 615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Each segment also has a signed `delta', as well as an optional offset */ 617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* within the `glyphIds' table. */ 618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If a segment's idOffset is 0, the glyph index corresponding to any */ 620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* charcode within the segment is obtained by adding the value of */ 621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `idDelta' directly to the charcode, modulo 65536. */ 622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 62377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Otherwise, a glyph index is taken from the glyph IDs sub-array for */ 624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment, and the value of `idDelta' is added to it. */ 625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 62777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Finally, note that a lot of fonts contain an invalid last segment, */ 62877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* where `start' and `end' are correctly set to 0xFFFF but both `delta' */ 62977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* and `offset' are incorrect (e.g., `opens___.ttf' which comes with */ 63077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* OpenOffice.org). We need special code to deal with them correctly. */ 631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_4 634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap4Rec_ 636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 cur_charcode; /* current charcode */ 639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; /* current glyph index */ 640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges; 642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_range; 643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_start; 644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_end; 645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int cur_delta; 646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* cur_values; 647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap4Rec, *TT_CMap4; 649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_init( TT_CMap4 cmap, 653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_ranges = FT_PEEK_USHORT( p ) >> 1; 662295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL; 663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Int 670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_set_range( TT_CMap4 cmap, 671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_index ) 672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->cmap.data; 674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges = cmap->num_ranges; 676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( range_index < num_ranges ) 679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 14 + range_index * 2; 684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_end = FT_PEEK_USHORT( p ); 685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_ranges * 2; 687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_start = FT_PEEK_USHORT( p ); 688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_delta = FT_PEEK_SHORT( p ); 691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = FT_PEEK_USHORT( p ); 694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 69577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 69677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 69777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( range_index >= num_ranges - 1 && 69877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_start == 0xFFFFU && 69977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_end == 0xFFFFU ) 70077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 70177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face; 70277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 70377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 70477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 70577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 70677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 70777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_delta = 1; 70877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 70977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 71077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 71177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_values = offset ? p + offset : NULL; 715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_range = range_index; 716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we skip empty segments */ 720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_index++; 721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode; */ 728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* caller should call tt_cmap4_set_range with proper range */ 729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* before calling this function */ 730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( TT_CMap4 cmap ) 733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt charcode; 735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFUL ) 738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 740295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner charcode = (FT_UInt)cmap->cur_charcode + 1; 741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* values = cmap->cur_values; 748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt end = cmap->cur_end; 749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = cmap->cur_delta; 750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode <= end ) 753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( values ) 755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = values + 2 * ( charcode - cmap->cur_start ); 757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = FT_NEXT_USHORT( p ); 762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( ( gindex + delta ) & 0xFFFFU ); 767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = (FT_UInt)( ( charcode + delta ) & 0xFFFFU ); 781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we need to find another range */ 794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap, cmap->cur_range + 1 ) < 0 ) 795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 802295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL; 803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_validate( FT_Byte* table, 809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; /* skip format */ 812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length = TT_NEXT_USHORT( p ); 813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *ends, *starts, *offsets, *deltas, *glyph_ids; 814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs; 815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error = SFNT_Err_Ok; 816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 ) 819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in certain fonts, the `length' field is invalid and goes */ 822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* out of bound. We try to correct this here... */ 823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit ) 824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = (FT_UInt)( valid->limit - table ); 829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = TT_NEXT_USHORT( p ); /* read segCountX2 */ 833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that we have an even value here */ 837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_segs & 1 ) 838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs /= 2; 842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 + num_segs * 2 * 4 ) 844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the search parameters - even though we never use them */ 847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 85077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check the values of `searchRange', `entrySelector', `rangeShift' */ 851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt search_range = TT_NEXT_USHORT( p ); 852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt entry_selector = TT_NEXT_USHORT( p ); 853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_shift = TT_NEXT_USHORT( p ); 854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( search_range | range_shift ) & 1 ) /* must be even values */ 857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range /= 2; 860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_shift /= 2; 861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `search range' is the greatest power of 2 that is <= num_segs */ 863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( search_range > num_segs || 865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range * 2 < num_segs || 866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range + range_shift != num_segs || 867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range != ( 1U << entry_selector ) ) 868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ends = table + 14; 872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project starts = table + 16 + num_segs * 2; 873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project deltas = starts + num_segs * 2; 874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offsets = deltas + num_segs * 2; 875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_ids = offsets + num_segs * 2; 876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 87777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check last segment; its end count value must be 0xFFFF */ 878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = ends + ( num_segs - 1 ) * 2; 881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0xFFFFU ) 882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 88677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt start, end, offset, n; 88777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt last_start = 0, last_end = 0; 88877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Int delta; 889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_start = starts; 890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_end = ends; 891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_delta = deltas; 892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_offset = offsets; 893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_segs; n++ ) 896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = p_offset; 898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p_start ); 899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p_end ); 900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT( p_delta ); 901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_USHORT( p_offset ); 902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 90677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* this test should be performed at default validation level; */ 90777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* unfortunately, some popular Asian fonts have overlapping */ 90877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* ranges in their charmaps */ 90977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* */ 910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start <= last_end && n > 0 ) 911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* allow overlapping segments, provided their start points */ 91777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* and end points, respectively, are in ascending order */ 918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( last_start > start || last_end > end ) 920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_UNSORTED; 921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_OVERLAPPING; 923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset != 0xFFFFU ) 927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 92877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner p += offset; /* start of glyph ID array */ 929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 93077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check that we point within the glyph IDs table only */ 931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > table + length ) 935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 93777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Some fonts handle the last segment incorrectly. In */ 93877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* theory, 0xFFFF might point to an ordinary glyph -- */ 93977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* a cmap 4 is versatile and could be used for any */ 94077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* encoding, not only Unicode. However, reality shows */ 94177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* that far too many fonts are sloppy and incorrectly */ 94277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* set all fields but `start' and `end' for the last */ 94377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* segment if it contains only a single character. */ 94477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* */ 94577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* We thus omit the test here, delaying it to the */ 94677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* routines which actually access the cmap. */ 94777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner else if ( n != num_segs - 1 || 94877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner !( start == 0xFFFFU && end == 0xFFFFU ) ) 949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > valid->limit ) 952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices within the segment range */ 956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, idx; 959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = start; i < end; i++ ) 962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = FT_NEXT_USHORT( p ); 964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( idx + delta ) & 0xFFFFU; 967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( offset == 0xFFFFU ) 975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 97677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts (erroneously?) use a range offset of 0xFFFF */ 977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to mean missing glyph in cmap table */ 978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 97977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( valid->level >= FT_VALIDATE_PARANOID || 98077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner n != num_segs - 1 || 98177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner !( start == 0xFFFFU && end == 0xFFFFU ) ) 982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_start = start; 986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_end = end; 987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 99577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner tt_cmap4_char_map_linear( TT_CMap cmap, 99677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt32* pcharcode, 99777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool next ) 998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 1000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 1001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, num_segs; 1002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode; 1003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 1008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 1009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 1011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs ) 1013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 1017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* linear search */ 1019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; charcode <= 0xFFFFU; charcode++ ) 1020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* q; 1022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14; /* ends table */ 1025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q = cmap->data + 16 + num_segs2; /* starts table */ 1026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < num_segs; i++ ) 1028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p ); 1030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( q ); 1031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode >= start && charcode <= end ) 1033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = q - 2 + num_segs2; 1035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 103977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 104077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 104177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( i >= num_segs - 1 && 104277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner start == 0xFFFFU && end == 0xFFFFU ) 104377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 104477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.charmap.face; 104577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 104677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 104777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 104877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 104977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 105077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner delta = 1; 105177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 105277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 105377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 105477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 1055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project continue; 1057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !next || gindex ) 1073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next && gindex ) 1077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 108477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner tt_cmap4_char_map_binary( TT_CMap cmap, 108577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt32* pcharcode, 108677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool next ) 1087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 1089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 1090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt max, min, mid, num_segs; 1091295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt charcode = (FT_UInt)*pcharcode; 1092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 1097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 1098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs2 ) 1100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 1103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 1105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_segs; 1106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFU; 1107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 1110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 1112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_segs; 1113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 1115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 1116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 1118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < start ) 1124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( charcode > end ) 1126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 1127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 113477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 113577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 113677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( mid >= num_segs - 1 && 113777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner start == 0xFFFFU && end == 0xFFFFU ) 113877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 113977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.charmap.face; 114077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 114177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 114277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 114377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 114477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 114577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner delta = 1; 114677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 114777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 114877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 114977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 1150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the first segment containing `charcode' */ 1151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_OVERLAPPING ) 1152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 1154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* call the current segment `max' */ 1157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max + 1; 1161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments before the current segment */ 1163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max ; i > 0; i-- ) 1164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt prev_end; 1166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* old_p; 1167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project old_p = p; 1170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + ( i - 1 ) * 2; 1171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project prev_end = TT_PEEK_USHORT( p ); 1172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > prev_end ) 1174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = old_p; 1176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = prev_end; 1180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i - 1; 1189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no luck */ 1192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max + 1 ) 1193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( i != max ) 1195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + max * 2; 1197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max; 1207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments after the current segment */ 1209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max + 1; i < num_segs; i++ ) 1210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt next_end, next_start; 1212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + i * 2; 1215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_end = TT_PEEK_USHORT( p ); 1216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_start = TT_PEEK_USHORT( p ); 1218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < next_start ) 1220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = next_end; 1223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = next_start; 1224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i--; 1233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* still no luck */ 1235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max ) 1236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end, start, delta, and offset are for the i'th segment */ 1244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid != i ) 1245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `charcode' is not in any segment, then `mid' is */ 1282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment nearest to `charcode' */ 1283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > end ) 1286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 1288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_segs ) 1289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap4, mid ) ) 1293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_gindex = gindex; 1303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = cmap4->cur_charcode; 1312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_index( TT_CMap cmap, 1321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_linear( cmap, &char_code, 0 ); 1328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_binary( cmap, &char_code, 0 ); 1330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1333295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_next( TT_CMap cmap, 1335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code >= 0xFFFFU ) 1341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_linear( cmap, pchar_code, 1 ); 1345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 1351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code == cmap4->cur_charcode ) 1352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap4->cur_charcode; 1357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_binary( cmap, pchar_code, 1 ); 1360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_get_info( TT_CMap cmap, 1368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1373295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 4; 1374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1380295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap4_class_rec, 1381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap4Rec ), 1382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap4_init, 1383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap4_char_index, 1385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap4_char_next, 1386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1388295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 1389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 4, 1390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap4_validate, 1391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap4_get_info 1392295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 1393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_4 */ 1395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 6 *****/ 1401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 1413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 1414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 1415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first 6 USHORT first segment code */ 1417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8 USHORT segment size in chars */ 141877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyphIds 10 USHORT[count] glyph IDs */ 1419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A very simplified segment mapping. */ 1421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_6 1424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_validate( FT_Byte* table, 1427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length, count; 1431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 10 > valid->limit ) 1434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 2; 1437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_USHORT( p ); 1438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8; /* skip language and start index */ 1440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 1441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 10 + count * 2 ) 1443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_index( TT_CMap cmap, 1465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)( char_code - start ); 1473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1484295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_next( TT_CMap cmap, 1486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 1497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( char_code - start ); 1506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_get_info( TT_CMap cmap, 1527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1532295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 6; 1533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1539295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap6_class_rec, 1540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap6_char_index, 1545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap6_char_next, 1546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1548295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 1549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 6, 1550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap6_validate, 1551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap6_get_info 1552295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 1553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_6 */ 1555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 8 *****/ 1561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 156277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /***** It is hard to completely understand what the OpenType spec *****/ 1563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** says about this format, but here is my conclusion. *****/ 1564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The purpose of this format is to easily map UTF-16 text to *****/ 1566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** glyph indices. Basically, the `char_code' must be in one of *****/ 1567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** the following formats: *****/ 1568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 16-bit value that isn't part of the Unicode Surrogates *****/ 1570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area (i.e. U+D800-U+DFFF). *****/ 1571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 32-bit value, made of two surrogate values, i.e.. if *****/ 1573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_code = (char_hi << 16) | char_lo', then both *****/ 1574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_hi' and `char_lo' must be in the Surrogates Area. *****/ 1575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area. *****/ 1576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 157777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /***** The `is32' table embedded in the charmap indicates whether a *****/ 1578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** given 16-bit value is in the surrogates area or not. *****/ 1579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** So, for any given `char_code', we can assert the following: *****/ 1581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi == 0' then we must have `is32[char_lo] == 0'. *****/ 1583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi != 0' then we must have both *****/ 1585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `is32[char_hi] != 0' and `is32[char_lo] != 0'. *****/ 1586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 8 */ 1598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is32 12 BYTE[8192] 32-bitness bitmap */ 1602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8204 ULONG number of groups */ 1603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 160477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* This header is followed by `count' groups of the following format: */ 1605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 1607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 160877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* startId 8 ULONG start glyph ID for the group */ 1609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_8 1612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_validate( FT_Byte* table, 1615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* is32; 1619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 length; 1620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups; 1621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 + 8192 > valid->limit ) 1624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1627295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_UInt32)( valid->limit - table ) || length < 8192 + 16 ) 1628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project is32 = table + 12; 1631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = is32 + 8192; /* skip `is32' array */ 1632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 1633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p + num_groups * 12 > valid->limit ) 1635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 1638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 n, start, end, start_id, count, last = 0; 1640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 1643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt hi, lo; 1645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 1652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 1655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 1660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = (FT_UInt32)( end - start + 1 ); 1663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start & ~0xFFFFU ) 1665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi != 0; check that is32[i] is 1 for each i in */ 1667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the `hi' and `lo' of the range [start..end] */ 1668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project hi = (FT_UInt)( start >> 16 ); 1671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[hi >> 3] & ( 0x80 >> ( hi & 7 ) ) ) == 0 ) 1674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) == 0 ) 1677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi == 0; check that is32[i] is 0 for each i in */ 1683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the range [start..end] */ 1684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end_hi cannot be != 0! */ 1686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( end & ~0xFFFFU ) 1687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) != 0 ) 1694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 1700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_index( TT_CMap cmap, 1709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( start_id + char_code - start ); 1730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1737295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_next( TT_CMap cmap, 1739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8208; 1751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( char_code - start + start_id ); 1764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_get_info( TT_CMap cmap, 1780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1785295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 8; 1786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1792295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap8_class_rec, 1793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap8_char_index, 1798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap8_char_next, 1799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1801295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 1802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8, 1803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap8_validate, 1804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap8_get_info 1805295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 1806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_8 */ 1808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 10 *****/ 1814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 10 */ 1826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 12 ULONG first char in range */ 1831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 16 ULONG number of chars in range */ 1832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyphIds 20 USHORT[count] glyph indices covered */ 1833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_10 1836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_validate( FT_Byte* table, 1839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length, count; 1843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 20 > valid->limit ) 1846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 16; 1850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_ULONG( p ); 1851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1852295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 1853295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 20 + count * 2 ) 1854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_index( TT_CMap cmap, 1876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx = (FT_ULong)( char_code - start ); 1884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1895295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 1896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_next( TT_CMap cmap, 1897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx; 1906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt32)( char_code - start ); 1912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = char_code; 1923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_get_info( TT_CMap cmap, 1929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1934295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 10; 1935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1941295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap10_class_rec, 1942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap10_char_index, 1947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap10_char_next, 1948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1950295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 1951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 10, 1952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap10_validate, 1953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap10_get_info 1954295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 1955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_10 */ 1957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 12 *****/ 1963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 12 */ 1975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 12 ULONG number of groups */ 1979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 16 */ 1980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This header is followed by `count' groups of the following format: */ 1982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 1984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 198577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* startId 8 ULONG start glyph ID for the group */ 1986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_12 1989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap12Rec_ 1991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 1993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool valid; 1994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_charcode; 1995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; 1996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_group; 1997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_groups; 1998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap12Rec, *TT_CMap12; 2000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_init( TT_CMap12 cmap, 2004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 2005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 2007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 12; 2009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_groups = FT_PEEK_ULONG( table ); 2010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 2012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_validate( FT_Byte* table, 2019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 2020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 2022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length; 2023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_groups; 2024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 > valid->limit ) 2027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 4; 2030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 2031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 12; 2033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 2034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2035295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 2036295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 16 + 12 * num_groups ) 2037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 2040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, start, end, start_id, last = 0; 2042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 2045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 2049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 2051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 2054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 2057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 2059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 2063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode */ 2071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* cmap->cur_group should be set up properly by caller */ 2072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 2074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( TT_CMap12 cmap ) 2075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 2077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start, end, start_id, char_code; 2078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n; 2079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 2080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) 2083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 2084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = cmap->cur_charcode + 1; 2086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project n = cmap->cur_group; 2088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) 2090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->cmap.data + 16 + 12 * n; 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_PEEK_ULONG( p ); 2095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 2098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; char_code <= end; char_code++ ) 2100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = char_code;; 2106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 2107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_group = n; 2108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 2110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 2115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 2116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_map_binary( TT_CMap cmap, 2121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* pchar_code, 2122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool next ) 2123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 2125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 12; 2126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_PEEK_ULONG( p ); 2127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code; 2128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 2129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min, mid; 2130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_groups ) 2133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 2136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_groups; 2137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFFFFFUL; 2138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 2141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_groups; 2144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 2149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 16 + 12 * mid; 2150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > end ) 2157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_PEEK_ULONG( p ); 2161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `char_code' is not in any group, then `mid' is */ 2173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the group nearest to `char_code' */ 2174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code > end ) 2177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 2179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_groups ) 2180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->valid = 1; 2184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_charcode = char_code; 2185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_group = mid; 2186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !gindex ) 2188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_gindex = gindex; 2196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap12->cur_charcode; 2199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 2202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_index( TT_CMap cmap, 2207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap12_char_map_binary( cmap, &char_code, 0 ); 2210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2213295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 2214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_next( TT_CMap cmap, 2215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gindex; 2219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->cur_charcode >= 0xFFFFFFFFUL ) 2222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 2225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid && cmap12->cur_charcode == *pchar_code ) 2226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2231295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2232295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* XXX: check cur_charcode overflow is expected */ 2233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2234295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *pchar_code = (FT_UInt32)cmap12->cur_charcode; 2235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = 0; 2238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap12_char_map_binary( cmap, pchar_code, 1 ); 2241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2242295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* XXX: check gindex overflow is expected */ 2243295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return (FT_UInt32)gindex; 2244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_get_info( TT_CMap cmap, 2249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 2252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2254295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 12; 2255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 2256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2261295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap12_class_rec, 2262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap12Rec ), 2263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap12_init, 2265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 2266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap12_char_index, 2267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap12_char_next, 2268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 2270295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 2271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 12, 2272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap12_validate, 2273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap12_get_info 2274295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 2275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_12 */ 2277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2282295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /***** FORMAT 13 *****/ 2283295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /***** *****/ 2284295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2285295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2286295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2287295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2288295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2289295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* TABLE OVERVIEW */ 2290295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* -------------- */ 2291295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2292295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* NAME OFFSET TYPE DESCRIPTION */ 2293295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2294295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* format 0 USHORT must be 13 */ 2295295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* reserved 2 USHORT reserved */ 2296295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* length 4 ULONG length in bytes */ 2297295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* language 8 ULONG Mac language code */ 2298295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* count 12 ULONG number of groups */ 2299295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* 16 */ 2300295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2301295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* This header is followed by `count' groups of the following format: */ 2302295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2303295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* start 0 ULONG first charcode */ 2304295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* end 4 ULONG last charcode */ 2305295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* glyphId 8 ULONG glyph ID for the whole group */ 2306295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2307295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2308295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#ifdef TT_CONFIG_CMAP_FORMAT_13 2309295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2310295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner typedef struct TT_CMap13Rec_ 2311295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2312295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMapRec cmap; 2313295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Bool valid; 2314295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong cur_charcode; 2315295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt cur_gindex; 2316295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong cur_group; 2317295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong num_groups; 2318295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2319295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } TT_CMap13Rec, *TT_CMap13; 2320295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2321295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2322295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_Error ) 2323295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_init( TT_CMap13 cmap, 2324295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* table ) 2325295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2326295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cmap.data = table; 2327295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2328295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner table += 12; 2329295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->num_groups = FT_PEEK_ULONG( table ); 2330295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2331295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->valid = 0; 2332295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2333295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return SFNT_Err_Ok; 2334295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2335295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2336295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2337295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_Error ) 2338295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_validate( FT_Byte* table, 2339295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Validator valid ) 2340295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2341295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* p; 2342295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong length; 2343295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong num_groups; 2344295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2345295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2346295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( table + 16 > valid->limit ) 2347295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_TOO_SHORT; 2348295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2349295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = table + 4; 2350295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length = TT_NEXT_ULONG( p ); 2351295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2352295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = table + 12; 2353295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner num_groups = TT_NEXT_ULONG( p ); 2354295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2355295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 2356295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 16 + 12 * num_groups ) 2357295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_TOO_SHORT; 2358295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2359295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* check groups, they must be in increasing order */ 2360295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2361295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong n, start, end, glyph_id, last = 0; 2362295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2363295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2364295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner for ( n = 0; n < num_groups; n++ ) 2365295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2366295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner start = TT_NEXT_ULONG( p ); 2367295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = TT_NEXT_ULONG( p ); 2368295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner glyph_id = TT_NEXT_ULONG( p ); 2369295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2370295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( start > end ) 2371295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_DATA; 2372295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2373295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( n > 0 && start <= last ) 2374295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_DATA; 2375295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2376295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( valid->level >= FT_VALIDATE_TIGHT ) 2377295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2378295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( glyph_id >= TT_VALID_GLYPH_COUNT( valid ) ) 2379295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_INVALID_GLYPH_ID; 2380295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2381295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2382295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner last = end; 2383295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2384295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2385295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2386295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return SFNT_Err_Ok; 2387295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2388295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2389295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2390295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* search the index of the charcode next to cmap->cur_charcode */ 2391295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* cmap->cur_group should be set up properly by caller */ 2392295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2393295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner static void 2394295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_next( TT_CMap13 cmap ) 2395295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2396295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* p; 2397295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong start, end, glyph_id, char_code; 2398295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong n; 2399295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt gindex; 2400295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2401295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2402295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) 2403295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner goto Fail; 2404295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2405295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner char_code = cmap->cur_charcode + 1; 2406295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2407295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner n = cmap->cur_group; 2408295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2409295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) 2410295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2411295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = cmap->cmap.data + 16 + 12 * n; 2412295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner start = TT_NEXT_ULONG( p ); 2413295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = TT_NEXT_ULONG( p ); 2414295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner glyph_id = TT_PEEK_ULONG( p ); 2415295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2416295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code < start ) 2417295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner char_code = start; 2418295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2419295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code <= end ) 2420295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2421295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = (FT_UInt)glyph_id; 2422295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2423295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( gindex ) 2424295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2425295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_charcode = char_code;; 2426295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_gindex = gindex; 2427295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->cur_group = n; 2428295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2429295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return; 2430295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2431295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2432295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2433295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2434295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner Fail: 2435295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap->valid = 0; 2436295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2437295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2438295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2439295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner static FT_UInt 2440295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_char_map_binary( TT_CMap cmap, 2441295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32* pchar_code, 2442295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Bool next ) 2443295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2444295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt gindex = 0; 2445295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* p = cmap->data + 12; 2446295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 num_groups = TT_PEEK_ULONG( p ); 2447295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 char_code = *pchar_code; 2448295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 start, end; 2449295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 max, min, mid; 2450295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2451295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2452295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( !num_groups ) 2453295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return 0; 2454295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2455295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* make compiler happy */ 2456295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner mid = num_groups; 2457295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = 0xFFFFFFFFUL; 2458295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2459295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( next ) 2460295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner char_code++; 2461295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2462295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner min = 0; 2463295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner max = num_groups; 2464295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2465295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* binary search */ 2466295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner while ( min < max ) 2467295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2468295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner mid = ( min + max ) >> 1; 2469295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner p = cmap->data + 16 + 12 * mid; 2470295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2471295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner start = TT_NEXT_ULONG( p ); 2472295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner end = TT_NEXT_ULONG( p ); 2473295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2474295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code < start ) 2475295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner max = mid; 2476295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else if ( char_code > end ) 2477295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner min = mid + 1; 2478295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2479295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2480295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = (FT_UInt)TT_PEEK_ULONG( p ); 2481295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2482295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner break; 2483295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2484295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2485295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2486295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( next ) 2487295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2488295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap13 cmap13 = (TT_CMap13)cmap; 2489295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2490295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2491295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* if `char_code' is not in any group, then `mid' is */ 2492295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* the group nearest to `char_code' */ 2493295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* */ 2494295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2495295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( char_code > end ) 2496295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2497295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner mid++; 2498295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( mid == num_groups ) 2499295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return 0; 2500295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2501295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2502295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->valid = 1; 2503295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->cur_charcode = char_code; 2504295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->cur_group = mid; 2505295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2506295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( !gindex ) 2507295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2508295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_next( cmap13 ); 2509295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2510295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->valid ) 2511295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = cmap13->cur_gindex; 2512295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2513295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2514295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap13->cur_gindex = gindex; 2515295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2516295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( gindex ) 2517295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *pchar_code = cmap13->cur_charcode; 2518295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2519295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2520295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return gindex; 2521295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2522295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2523295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2524295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt ) 2525295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_char_index( TT_CMap cmap, 2526295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 char_code ) 2527295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2528295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return tt_cmap13_char_map_binary( cmap, &char_code, 0 ); 2529295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2530295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2531295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2532295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 2533295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_char_next( TT_CMap cmap, 2534295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 *pchar_code ) 2535295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2536295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap13 cmap13 = (TT_CMap13)cmap; 2537295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt gindex; 2538295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2539295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2540295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->cur_charcode >= 0xFFFFFFFFUL ) 2541295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return 0; 2542295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2543295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* no need to search */ 2544295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->valid && cmap13->cur_charcode == *pchar_code ) 2545295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2546295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_next( cmap13 ); 2547295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( cmap13->valid ) 2548295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2549295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = cmap13->cur_gindex; 2550295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( gindex ) 2551295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *pchar_code = cmap13->cur_charcode; 2552295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2553295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2554295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = 0; 2555295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2556295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner else 2557295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner gindex = tt_cmap13_char_map_binary( cmap, pchar_code, 1 ); 2558295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2559295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return gindex; 2560295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2561295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2562295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2563295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_Error ) 2564295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap13_get_info( TT_CMap cmap, 2565295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMapInfo *cmap_info ) 2566295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 2567295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Byte* p = cmap->data + 8; 2568295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2569295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2570295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 13; 2571295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 2572295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2573295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return SFNT_Err_Ok; 2574295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 2575295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2576295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2577295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap13_class_rec, 2578295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner sizeof ( TT_CMap13Rec ), 2579295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2580295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner (FT_CMap_InitFunc) tt_cmap13_init, 2581295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner (FT_CMap_DoneFunc) NULL, 2582295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner (FT_CMap_CharIndexFunc)tt_cmap13_char_index, 2583295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner (FT_CMap_CharNextFunc) tt_cmap13_char_next, 2584295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2585295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner NULL, NULL, NULL, NULL, NULL 2586295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 2587295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 13, 2588295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner (TT_CMap_ValidateFunc) tt_cmap13_validate, 2589295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner (TT_CMap_Info_GetFunc) tt_cmap13_get_info 2590295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 2591295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2592295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#endif /* TT_CONFIG_CMAP_FORMAT_13 */ 2593295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2594295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 2595295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2596295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /*************************************************************************/ 2597295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /***** *****/ 2598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 14 *****/ 2599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 2606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 2607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 2609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 14 */ 2611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 ULONG table length in bytes */ 2612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numSelector 6 ULONG number of variation sel. records */ 2613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Followed by numSelector records, each of which looks like */ 2615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* varSelector 0 UINT24 Unicode codepoint of sel. */ 2617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* defaultOff 3 ULONG offset to a default UVS table */ 2618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants to be found in */ 2619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the normal Unicode subtable. */ 2620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* nonDefOff 7 ULONG offset to a non-default UVS table */ 2621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants not in the */ 2622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* standard cmap, with GIDs here */ 2623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* (either offset may be 0 NULL) */ 2624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Selectors are sorted by code point. */ 2626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A default Unicode Variation Selector (UVS) subtable is just a list of */ 2628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges of code points which are to be found in the standard cmap. No */ 2629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyph IDs (GIDs) here. */ 2630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numRanges 0 ULONG number of ranges following */ 2632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* additionalCnt 3 UBYTE count of additional characters in this */ 2638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* range (zero means a range of a single */ 2639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* character) */ 2640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A non-default Unicode Variation Selector (UVS) subtable is a list of */ 2644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings from codepoint to GID. */ 2645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numMappings 0 ULONG number of mappings */ 2647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* GID 3 USHORT and its GID */ 2653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_14 2657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap14Rec_ 2659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 2661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_selectors; 2662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This array is used to store the results of various 2664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * cmap 14 query functions. The data is overwritten 2665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * on each call to these functions. 2666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2667295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 max_results; 2668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* results; 2669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory; 2670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap14Rec, *TT_CMap14; 2672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( void ) 2675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_done( TT_CMap14 cmap ) 2676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = cmap->memory; 2678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = 0; 2681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( memory != NULL && cmap->results != NULL ) 2682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( cmap->results ); 2683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 2687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_ensure( TT_CMap14 cmap, 2688295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 num_results, 2689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2691295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 old_max = cmap->max_results; 2692aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Error error = SFNT_Err_Ok; 2693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_results > cmap->max_results ) 2696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->memory = memory; 2698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_QRENEW_ARRAY( cmap->results, old_max, num_results ) ) 2700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = num_results; 2703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_init( TT_CMap14 cmap, 2711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 2712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 2714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 6; 2716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_selectors = FT_PEEK_ULONG( table ); 2717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = 0; 2718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->results = NULL; 2719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_validate( FT_Byte* table, 2726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 2727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; 2729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length = TT_NEXT_ULONG( p ); 2730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_selectors = TT_NEXT_ULONG( p ); 2731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2733295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( length > (FT_ULong)( valid->limit - table ) || 2734295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner length < 10 + 11 * num_selectors ) 2735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check selectors, they must be in increasing order */ 2738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we start lastVarSel at 1 because a variant selector value of 0 2740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * isn't valid. 2741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, lastVarSel = 1; 2743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_selectors; n++ ) 2746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 2748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 2749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 2750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff >= length || nondefOff >= length ) 2753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( varSel < lastVarSel ) 2756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastVarSel = varSel + 1; 2759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the default table (these glyphs should be reached */ 2761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* through the normal Unicode cmap, no GIDs, just check order) */ 2762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 ) 2763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* defp = table + defOff; 2765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numRanges = TT_NEXT_ULONG( defp ); 2766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong i; 2767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong lastBase = 0; 2768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defp + numRanges * 4 > valid->limit ) 2771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numRanges; ++i ) 2774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong base = TT_NEXT_UINT24( defp ); 2776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cnt = FT_NEXT_BYTE( defp ); 2777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base + cnt >= 0x110000UL ) /* end of Unicode */ 2780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base < lastBase ) 2783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastBase = base + cnt + 1U; 2786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and the non-default table (these glyphs are specified here) */ 2790aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( nondefOff != 0 ) 2791aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich { 2792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* ndp = table + nondefOff; 2793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numMappings = TT_NEXT_ULONG( ndp ); 2794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong i, lastUni = 0; 2795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2797295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( numMappings * 4 > (FT_ULong)( valid->limit - ndp ) ) 2798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 2801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong uni = TT_NEXT_UINT24( ndp ); 2803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gid = TT_NEXT_USHORT( ndp ); 2804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni >= 0x110000UL ) /* end of Unicode */ 2807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni < lastUni ) 2810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastUni = uni + 1U; 2813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT && 2815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gid >= TT_VALID_GLYPH_COUNT( valid ) ) 2816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_index( TT_CMap cmap, 2828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( char_code ); 2832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2838295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_CALLBACK_DEF( FT_UInt32 ) 2839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_next( TT_CMap cmap, 2840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = 0; 2846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_info( TT_CMap cmap, 2852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2856295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cmap_info->format = 14; 2857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* subtable 14 does not define a language field */ 2858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = 0xFFFFFFFFUL; 2859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( FT_Byte *base, 2866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges = TT_PEEK_ULONG( base ); 2869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numRanges; 2874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 4 * mid; 2882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start = TT_NEXT_UINT24( p ); 2883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt = FT_NEXT_BYTE( p ); 2884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > start+cnt ) 2889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TRUE; 2892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return FALSE; 2895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( FT_Byte *base, 2900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings = TT_PEEK_ULONG( base ); 2903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numMappings; 2908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 5 * mid; 2916295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); 2917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < uni ) 2920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > uni ) 2922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TT_PEEK_USHORT( p ); 2925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 2932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_find_variant( FT_Byte *base, 2933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 variantCode ) 2934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numVar = TT_PEEK_ULONG( base ); 2936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numVar; 2941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 11 * mid; 2949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 2950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( variantCode < varSel ) 2953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( variantCode > varSel ) 2955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return p; 2958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2965295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap14_char_var_index( TT_CMap cmap, 2966295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap ucmap, 2967295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 charcode, 2968295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 variantSelector) 2969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 2971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 2972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 2973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 2976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 2979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_PEEK_ULONG( p ); 2980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 2982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 2983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This is the default variant of this charcode. GID not stored */ 2985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* here; stored in the normal Unicode charmap instead. */ 2986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ucmap->cmap.clazz->char_index( &ucmap->cmap, charcode ); 2987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 ) 2990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 2991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ); 2992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Int ) 2998295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner tt_cmap14_char_var_isdefault( TT_CMap cmap, 2999295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 charcode, 3000295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 variantSelector ) 3001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 3003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 3004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 3005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 3008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 3009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 3011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 3012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 3014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 3015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 1; 3016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 && 3018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 3019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ) != 0 ) 3020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 3021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 3023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32* ) 3027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variants( TT_CMap cmap, 3028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 3029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14)cmap; 3031295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 count = cmap14->num_selectors; 3032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 3033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* result; 3034295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 i; 3035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 3038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = cmap14->results; 3041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < count; ++i ) 3042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3043295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner result[i] = (FT_UInt32)TT_NEXT_UINT24( p ); 3044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 8; 3045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result[i] = 0; 3047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 3049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 3053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_variants( TT_CMap cmap, 3054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 3055295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 charCode ) 3056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3058295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 count = cmap14->num_selectors; 3059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 3060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 3061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 3064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; count > 0; --count ) 3067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 varSel = TT_NEXT_UINT24( p ); 3069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 3070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 3071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( defOff != 0 && 3074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, 3075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) ) || 3076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ( nondefOff != 0 && 3077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 3078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) != 0 ) ) 3079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = varSel; 3081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q++; 3082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 3085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 3087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 3091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_def_char_count( FT_Byte *p ) 3092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3093295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 numRanges = (FT_UInt32)TT_NEXT_ULONG( p ); 3094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt tot = 0; 3095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 309777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner p += 3; /* point to the first `cnt' field */ 3098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; numRanges > 0; numRanges-- ) 3099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tot += 1 + p[0]; 3101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 4; 3102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tot; 3105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt32* 3109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_def_chars( TT_CMap cmap, 3110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p, 3111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 3112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 3115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt; 3116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 3117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = tt_cmap14_def_char_count( p ); 3120295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numRanges = (FT_UInt32)TT_NEXT_ULONG( p ); 3121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( cnt + 1 ), memory ) ) 3123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; numRanges > 0; --numRanges ) 3126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3127295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); 3128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = FT_NEXT_BYTE( p ) + 1; 3131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 3132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = uni; 3134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project uni += 1; 3135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q += 1; 3136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( --cnt != 0 ); 3137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 3139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 3141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 314477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner static FT_UInt32* 3145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_nondef_chars( TT_CMap cmap, 3146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p, 3147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 3148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 3151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 3152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *ret; 3153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3155295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numMappings = (FT_UInt32)TT_NEXT_ULONG( p ); 3156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( numMappings + 1 ), memory ) ) 3158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 3161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 3162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3163295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ret[i] = (FT_UInt32)TT_NEXT_UINT24( p ); 3164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 3167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 3169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 3173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variant_chars( TT_CMap cmap, 3174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 3175295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_UInt32 variantSelector ) 3176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p = tt_cmap14_find_variant( cmap->data + 6, 3178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project variantSelector ); 3179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *ret; 3180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int i; 3181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 3182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 3183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 3186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 3189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 3190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 && nondefOff == 0 ) 3192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 ) 3195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 3196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( nondefOff == 0 ) 3198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 3199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Both a default and a non-default glyph set? That's probably not */ 3203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* good font design, but the spec allows for it... */ 3204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 3205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 3206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 3207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 duni; 3208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 dcnt; 3209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 nuni; 3210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* dp; 3211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt di, ni, k; 3212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + nondefOff; 3215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dp = cmap->data + defOff; 3216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3217295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numMappings = (FT_UInt32)TT_NEXT_ULONG( p ); 3218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = tt_cmap14_def_char_count( dp ); 3219295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner numRanges = (FT_UInt32)TT_NEXT_ULONG( dp ); 3220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( numMappings == 0 ) 3222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 3223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dcnt == 0 ) 3225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 3226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 3227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( dcnt + numMappings + 1 ), memory ) ) 3229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 3230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 3232295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner duni = (FT_UInt32)TT_NEXT_UINT24( dp ); 3233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 3234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project di = 1; 3235295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner nuni = (FT_UInt32)TT_NEXT_UINT24( p ); 3236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ni = 1; 3238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i = 0; 3239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 3241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni > duni + dcnt ) 3243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 3245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 3246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 3248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( di > numRanges ) 3250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3252295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner duni = (FT_UInt32)TT_NEXT_UINT24( dp ); 3253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 3254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni < duni ) 3258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 3259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If it is within the default range then ignore it -- */ 3260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* that should not have happened */ 3261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 3262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni > numMappings ) 3263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3265295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner nuni = (FT_UInt32)TT_NEXT_UINT24( p ); 3266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni <= numMappings ) 3271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all default ranges. */ 3273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We have read one non-default mapping which we haven't stored */ 3274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and there may be others that need to be read. */ 3275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 3276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( ni < numMappings ) 3277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3278295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ret[i++] = (FT_UInt32)TT_NEXT_UINT24( p ); 3279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 3280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 3281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( di <= numRanges ) 3284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all non-default */ 3286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings. We have read one default range which we haven't */ 3287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* stored and there may be others that need to be read. */ 3288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 3289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 3290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( di < numRanges ) 3292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3293295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner duni = (FT_UInt32)TT_NEXT_UINT24( dp ); 3294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 3295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 3297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 3298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 3299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 3303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 3305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3309295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_DEFINE_TT_CMAP(tt_cmap14_class_rec, 3310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap14Rec ), 3311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap14_init, 3313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) tt_cmap14_done, 3314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap14_char_index, 3315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap14_char_next, 3316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Format 14 extension functions */ 3318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index, 3319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault, 3320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_VariantListFunc) tt_cmap14_variants, 3321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants, 3322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars 3323295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner , 3324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 14, 3325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc)tt_cmap14_validate, 3326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc)tt_cmap14_get_info 3327295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner ) 3328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 332977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner#endif /* TT_CONFIG_CMAP_FORMAT_14 */ 3330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3332295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#ifndef FT_CONFIG_OPTION_PIC 3333295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 3334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const TT_CMap_Class tt_cmap_classes[] = 3335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3336295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#define TTCMAPCITEM(a) &a, 3337295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#include "ttcmapc.h" 3338295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner NULL, 3339295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner }; 3340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3341295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#else /*FT_CONFIG_OPTION_PIC*/ 3342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3343295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner void FT_Destroy_Class_tt_cmap_classes(FT_Library library, TT_CMap_Class* clazz) 3344295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 3345295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Memory memory = library->memory; 3346295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( clazz ) 3347295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_FREE( clazz ); 3348295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 3349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3350295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Error FT_Create_Class_tt_cmap_classes(FT_Library library, TT_CMap_Class** output_class) 3351295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner { 3352295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap_Class* clazz; 3353295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner TT_CMap_ClassRec* recs; 3354295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Error error; 3355295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Memory memory = library->memory; 3356295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner int i = 0; 3357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3358295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#define TTCMAPCITEM(a) i++; 3359295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#include "ttcmapc.h" 3360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3361295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* allocate enough space for both the pointers +terminator and the class instances */ 3362295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner if ( FT_ALLOC( clazz, sizeof(*clazz)*(i+1)+sizeof(TT_CMap_ClassRec)*i ) ) 3363295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner return error; 3364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3365295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* the location of the class instances follows the array of pointers */ 336641371e1e39c8528eb0c4bc40683c736e6683e60cEric Vannier recs = (TT_CMap_ClassRec*) (((char*)clazz)+(sizeof(*clazz)*(i+1))); 3367295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner i=0; 3368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3369295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#undef TTCMAPCITEM 3370295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#define TTCMAPCITEM(a) \ 3371295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Init_Class_##a(&recs[i]); \ 3372295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner clazz[i] = &recs[i]; \ 3373295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner i++; 3374295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#include "ttcmapc.h" 3375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3376295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner clazz[i] = NULL; 3377295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 3378295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner *output_class = clazz; 3379aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich return SFNT_Err_Ok; 3380295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 3381295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 3382295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner#endif /*FT_CONFIG_OPTION_PIC*/ 3383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse the `cmap' table and build the corresponding TT_CMap objects */ 3386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in the current face */ 3387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 3388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Error ) 3389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_face_build_cmaps( TT_Face face ) 3390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = face->cmap_table; 3392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = table + face->cmap_size; 3393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt volatile num_cmaps; 3394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile p = table; 3395aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Library library = FT_FACE_LIBRARY( face ); 3396aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 3397aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_UNUSED( library ); 3398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3400aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( !p || p + 4 > limit ) 3401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Invalid_Table; 3402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* only recognize format 0 */ 3404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_NEXT_USHORT( p ) != 0 ) 3405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p -= 2; 3407295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ERROR(( "tt_face_build_cmaps:" 3408295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner " unsupported `cmap' table format = %d\n", 3409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_PEEK_USHORT( p ) )); 3410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Invalid_Table; 3411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_cmaps = TT_NEXT_USHORT( p ); 3414aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich#ifdef FT_MAX_CHARMAP_CACHEABLE 3415aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( num_cmaps > FT_MAX_CHARMAP_CACHEABLE ) 3416aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_ERROR(( "tt_face_build_cmaps: too many cmap subtables(%d) " 3417aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich "subtable#%d and later are loaded but cannot be searched\n", 3418aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich num_cmaps, FT_MAX_CHARMAP_CACHEABLE + 1 )); 3419aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich#endif 3420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) 3422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CharMapRec charmap; 3424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 offset; 3425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.platform_id = TT_NEXT_USHORT( p ); 3428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding_id = TT_NEXT_USHORT( p ); 3429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.face = FT_FACE( face ); 3430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding = FT_ENCODING_NONE; /* will be filled later */ 3431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_ULONG( p ); 3432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset <= face->cmap_size - 2 ) 3434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile cmap = table + offset; 3436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile FT_UInt format = TT_PEEK_USHORT( cmap ); 3437295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner const TT_CMap_Class* volatile pclazz = FT_TT_CMAP_CLASSES_GET; 3438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class volatile clazz; 3439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; *pclazz; pclazz++ ) 3442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project clazz = *pclazz; 3444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( clazz->format == format ) 3445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile TT_ValidatorRec valid; 3447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile FT_Error error = SFNT_Err_Ok; 3448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ft_validator_init( FT_VALIDATOR( &valid ), cmap, limit, 3451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_VALIDATE_DEFAULT ); 3452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project valid.num_glyphs = (FT_UInt)face->max_profile.numGlyphs; 3454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ft_setjmp( 3456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *((ft_jmp_buf*)&FT_VALIDATOR( &valid )->jump_buffer) ) == 0 ) 3457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* validate this cmap sub-table */ 3459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = clazz->validate( cmap, FT_VALIDATOR( &valid ) ); 3460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid.validator.error == 0 ) 3463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap ttcmap; 3465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* It might make sense to store the single variation selector */ 3468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* cmap somewhere special. But it would have to be in the */ 3469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* public FT_FaceRec, and we can't change that. */ 3470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_CMap_New( (FT_CMap_Class)clazz, 3472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap, &charmap, &ttcmap ) ) 3473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* it is simpler to directly set `flags' than adding */ 3475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a parameter to FT_CMap_New */ 3476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ((TT_CMap)ttcmap)->flags = (FT_Int)error; 3477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3481295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_TRACE0(( "tt_face_build_cmaps:" 3482295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner " broken cmap sub-table ignored\n" )); 3483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pclazz == NULL ) 3489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3490295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_TRACE0(( "tt_face_build_cmaps:" 3491295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner " unsupported cmap sub-table ignored\n" )); 3492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 3497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( FT_Error ) 3501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_get_cmap_info( FT_CharMap charmap, 3502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 3503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap cmap = (FT_CMap)charmap; 3505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class clazz = (TT_CMap_Class)cmap->clazz; 3506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return clazz->get_cmap_info( charmap, cmap_info ); 3509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* END */ 3513