ttcmap.c revision 77f63d23f7d380b0ff02c18fd6a154ab9063128a
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/* */ 777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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" 28049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 29049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 30049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 31049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 32049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ 33049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ 34049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* messages during execution. */ 35049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 36049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#undef FT_COMPONENT 37049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define FT_COMPONENT trace_ttcmap 38049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 39049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 40049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_SHORT FT_PEEK_SHORT 41049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_USHORT FT_PEEK_USHORT 42049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_UINT24 FT_PEEK_UOFF3 43049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_LONG FT_PEEK_LONG 44049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_PEEK_ULONG FT_PEEK_ULONG 45049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 46049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_SHORT FT_NEXT_SHORT 47049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_USHORT FT_NEXT_USHORT 48049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_UINT24 FT_NEXT_UOFF3 49049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_LONG FT_NEXT_LONG 50049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define TT_NEXT_ULONG FT_NEXT_ULONG 51049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 52049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 53049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 54049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap_init( TT_CMap cmap, 55049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 56049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 57049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->data = table; 58049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 59049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 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 /***** FORMAT 0 *****/ 66049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 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 /* TABLE OVERVIEW */ 73049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 74049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 75049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 76049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 77049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 0 */ 78049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 79049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 80049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyph_ids 6 BYTE[256] array of glyph indices */ 81049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 262 */ 82049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 83049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 84049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_0 85049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 86049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 87049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_validate( FT_Byte* table, 88049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 89049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 90049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; 91049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length = TT_NEXT_USHORT( p ); 92049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 93049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 94049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 262 ) 95049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 96049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 97049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices whenever necessary */ 98049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 99049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt n, idx; 101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < 256; n++ ) 105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = *p++; 107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_char_index( TT_CMap cmap, 118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return char_code < 256 ? table[6 + char_code] : 0; 124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_char_next( TT_CMap cmap, 129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pchar_code; 133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 13777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner table += 6; /* go to glyph IDs */ 138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( ++charcode < 256 ) 139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = table[charcode]; 141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charcode; 144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap0_get_info( TT_CMap cmap, 155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 0; 161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap0_class_rec = 169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap0_char_index, 176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap0_char_next, 177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap0_validate, 182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap0_get_info 183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_0 */ 186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 2 *****/ 192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** This is used for certain CJK encodings that encode text in a *****/ 194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** mixed 8/16 bits encoding along the following lines: *****/ 195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** * Certain byte values correspond to an 8-bit character code *****/ 197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (typically in the range 0..127 for ASCII compatibility). *****/ 198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** * Certain byte values signal the first byte of a 2-byte *****/ 200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code (but these values are also valid as the *****/ 201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** second byte of a 2-byte character). *****/ 202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The following charmap lookup and iteration functions all *****/ 204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** assume that the value "charcode" correspond to following: *****/ 205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - For one byte characters, "charcode" is simply the *****/ 207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code. *****/ 208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - For two byte characters, "charcode" is the 2-byte *****/ 210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** character code in big endian format. More exactly: *****/ 211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (charcode >> 8) is the first byte value *****/ 213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** (charcode & 0xFF) is the second byte value *****/ 214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Note that not all values of "charcode" are valid according *****/ 216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** to these rules, and the function moderately check the *****/ 217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** arguments. *****/ 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 /*************************************************************************/ 223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 2 */ 230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* keys 6 USHORT[256] sub-header keys */ 233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* subs 518 SUBHEAD[NSUBS] sub-headers array */ 23477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyph_ids 518+NSUB*8 USHORT[] glyph ID array */ 235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The `keys' table is used to map charcode high-bytes to sub-headers. */ 237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The value of `NSUBS' is the number of sub-headers defined in the */ 238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* table and is computed by finding the maximum of the `keys' table. */ 239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Note that for any n, `keys[n]' is a byte offset within the `subs' */ 241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* table, i.e., it is the corresponding sub-header index multiplied */ 242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* by 8. */ 243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Each sub-header has the following format: */ 245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first 0 USHORT first valid low-byte */ 249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 2 USHORT number of valid low-bytes */ 250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* delta 4 SHORT see below */ 251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* offset 6 USHORT see below */ 252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A sub-header defines, for each high-byte, the range of valid */ 254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* low-bytes within the charmap. Note that the range defined by `first' */ 255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and `count' must be completely included in the interval [0..255] */ 256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* according to the specification. */ 257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If a character code is contained within a given sub-header, then */ 259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mapping it to a glyph index is done as follows: */ 260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* * The value of `offset' is read. This is a _byte_ distance from the */ 262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* location of the `offset' field itself into a slice of the */ 26377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* `glyph_ids' table. Let's call it `slice' (it is a USHORT[] too). */ 264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* * The value `slice[char.lo - first]' is read. If it is 0, there is */ 266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no glyph for the charcode. Otherwise, the value of `delta' is */ 267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* added to it (modulo 65536) to form a new glyph index. */ 268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* It is up to the validation routine to check that all offsets fall */ 27077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* within the glyph IDs table (and not within the `subs' table itself or */ 271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* outside of the CMap). */ 272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_2 275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_validate( FT_Byte* table, 278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; /* skip format */ 281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length = TT_PEEK_USHORT( p ); 282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt n, max_subs; 283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* keys; /* keys table */ 284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subs; /* sub-headers */ 28577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* glyph_ids; /* glyph ID array */ 286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 6 + 512 ) 289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project keys = table + 6; 292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse keys to compute sub-headers count */ 294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = keys; 295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max_subs = 0; 296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < 256; n++ ) 297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = TT_NEXT_USHORT( p ); 299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* value must be multiple of 8 */ 302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID && ( idx & 7 ) != 0 ) 303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx >>= 3; 306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx > max_subs ) 308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max_subs = idx; 309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ASSERT( p == table + 518 ); 312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subs = p; 314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_ids = subs + (max_subs + 1) * 8; 315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( glyph_ids > valid->limit ) 316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse sub-headers */ 319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n <= max_subs; n++ ) 320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt first_code, code_count, offset; 322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* ids; 324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project first_code = TT_NEXT_USHORT( p ); 327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project code_count = TT_NEXT_USHORT( p ); 328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT( p ); 329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_USHORT( p ); 330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 33177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* many Dynalab fonts have empty sub-headers */ 33277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( code_count == 0 ) 33377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner continue; 33477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check range within 0..255 */ 336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( first_code >= 256 || first_code + code_count > 256 ) 339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check offset */ 343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0 ) 344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ids = p - 2 + offset; 346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ids < glyph_ids || ids + code_count*2 > table + length ) 347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_OFFSET; 348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 34977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check glyph IDs */ 350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = p + code_count * 2; 353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < limit; ) 357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = ( idx + delta ) & 0xFFFFU; 362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 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 } 369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* return sub header corresponding to a given character code */ 375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NULL on invalid charcode */ 376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_subheader( FT_Byte* table, 378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* result = NULL; 381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < 0x10000UL ) 384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( char_code & 0xFF ); 386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_hi = (FT_UInt)( char_code >> 8 ); 387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; /* keys table */ 388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subs = table + 518; /* subheaders table */ 389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* sub; 390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_hi == 0 ) 393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* an 8-bit character code -- we use subHeader 0 in this case */ 395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to test whether the character code is in the charmap */ 396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs; /* jump to first sub-header */ 398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the sub-header for this byte is 0, which */ 40077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* indicates that it is really a valid one-byte value */ 401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Otherwise, return 0 */ 402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_lo * 2; 404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0 ) 405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a 16-bit character code */ 410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to key entry */ 412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_hi * 2; 413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to sub-header */ 414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs + ( FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 8 ) ); 415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the high byte isn't a valid one-byte value */ 417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( sub == subs ) 418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = sub; 421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_index( TT_CMap cmap, 429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, char_code ); 437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)(char_code & 0xFF); 441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start, count; 442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p ); 447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT ( p ); 449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx -= start; 452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count && offset != 0 ) 453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + 2 * idx; 455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_PEEK_USHORT( p ); 456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( idx + delta ) & 0xFFFFU; 459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_next( TT_CMap cmap, 467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pcharcode ) 468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode + 1; 473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( charcode < 0x10000UL ) 477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, charcode ); 479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = TT_NEXT_SHORT ( p ); 485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset = TT_PEEK_USHORT( p ); 486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( charcode & 0xFF ); 487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt pos, idx; 488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0 ) 491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Next_SubHeader; 492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_lo < start ) 494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_lo = start; 496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = 0; 497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = (FT_UInt)( char_lo - start ); 500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + pos * 2; 502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + char_lo; 503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; pos < count; pos++, charcode++ ) 505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = ( idx + delta ) & 0xFFFFU; 511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charcode; 514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to next sub-header, i.e. higher byte value */ 521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Next_SubHeader: 522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + 256; 523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = result; 527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_info( TT_CMap cmap, 534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 2; 540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap2_class_rec = 548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap2_char_index, 555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap2_char_next, 556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2, 560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap2_validate, 561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap2_get_info 562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_2 */ 565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 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 /***** FORMAT 4 *****/ 571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length */ 584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in bytes */ 585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segCountX2 6 USHORT 2*NUM_SEGS */ 588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange 8 USHORT 2*(1 << LOG_SEGS) */ 589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* entrySelector 10 USHORT LOG_SEGS */ 590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* rangeShift 12 USHORT segCountX2 - */ 591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange */ 592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* endCount 14 USHORT[NUM_SEGS] end charcode for */ 594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; last */ 595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is 0xFFFF */ 596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* pad 14+NUM_SEGS*2 USHORT padding */ 598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* startCount 16+NUM_SEGS*2 USHORT[NUM_SEGS] first charcode for */ 600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment */ 601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idDelta 16+NUM_SEGS*4 SHORT[NUM_SEGS] delta for each */ 603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segment */ 604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idOffset 16+NUM_SEGS*6 SHORT[NUM_SEGS] range offset for */ 605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; can be */ 606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* zero */ 607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 60877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph ID */ 609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges */ 610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Character codes are modelled by a series of ordered (increasing) */ 612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* intervals called segments. Each segment has start and end codes, */ 613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* provided by the `startCount' and `endCount' arrays. Segments must */ 61477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* not overlap, and the last segment should always contain the value */ 61577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* 0xFFFF for `endCount'. */ 616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The fields `searchRange', `entrySelector' and `rangeShift' are better */ 618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ignored (they are traces of over-engineering in the TrueType */ 619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* specification). */ 620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Each segment also has a signed `delta', as well as an optional offset */ 622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* within the `glyphIds' table. */ 623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If a segment's idOffset is 0, the glyph index corresponding to any */ 625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* charcode within the segment is obtained by adding the value of */ 626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `idDelta' directly to the charcode, modulo 65536. */ 627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 62877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Otherwise, a glyph index is taken from the glyph IDs sub-array for */ 629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment, and the value of `idDelta' is added to it. */ 630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 63277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Finally, note that a lot of fonts contain an invalid last segment, */ 63377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* where `start' and `end' are correctly set to 0xFFFF but both `delta' */ 63477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* and `offset' are incorrect (e.g., `opens___.ttf' which comes with */ 63577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* OpenOffice.org). We need special code to deal with them correctly. */ 636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_4 639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap4Rec_ 641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 cur_charcode; /* current charcode */ 644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; /* current glyph index */ 645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges; 647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_range; 648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_start; 649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_end; 650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int cur_delta; 651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* cur_values; 652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap4Rec, *TT_CMap4; 654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_init( TT_CMap4 cmap, 658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_ranges = FT_PEEK_USHORT( p ) >> 1; 667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = 0xFFFFFFFFUL; 668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Int 675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_set_range( TT_CMap4 cmap, 676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_index ) 677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->cmap.data; 679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges = cmap->num_ranges; 681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( range_index < num_ranges ) 684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 14 + range_index * 2; 689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_end = FT_PEEK_USHORT( p ); 690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_ranges * 2; 692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_start = FT_PEEK_USHORT( p ); 693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_delta = FT_PEEK_SHORT( p ); 696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = FT_PEEK_USHORT( p ); 699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 70077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 70177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 70277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( range_index >= num_ranges - 1 && 70377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_start == 0xFFFFU && 70477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_end == 0xFFFFU ) 70577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 70677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.cmap.charmap.face; 70777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 70877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 70977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 71077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 71177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 71277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner cmap->cur_delta = 1; 71377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 71477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 71577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 71677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_values = offset ? p + offset : NULL; 720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_range = range_index; 721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we skip empty segments */ 725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_index++; 726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode; */ 733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* caller should call tt_cmap4_set_range with proper range */ 734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* before calling this function */ 735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( TT_CMap4 cmap ) 738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt charcode; 740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFUL ) 743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_charcode + 1; 746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* values = cmap->cur_values; 753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt end = cmap->cur_end; 754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = cmap->cur_delta; 755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode <= end ) 758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( values ) 760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = values + 2 * ( charcode - cmap->cur_start ); 762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = FT_NEXT_USHORT( p ); 767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( ( gindex + delta ) & 0xFFFFU ); 772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = (FT_UInt)( ( charcode + delta ) & 0xFFFFU ); 786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we need to find another range */ 799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap, cmap->cur_range + 1 ) < 0 ) 800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = 0xFFFFFFFFUL; 808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_validate( FT_Byte* table, 814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; /* skip format */ 817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length = TT_NEXT_USHORT( p ); 818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *ends, *starts, *offsets, *deltas, *glyph_ids; 819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs; 820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error = SFNT_Err_Ok; 821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 ) 824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in certain fonts, the `length' field is invalid and goes */ 827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* out of bound. We try to correct this here... */ 828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit ) 829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = (FT_UInt)( valid->limit - table ); 834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = TT_NEXT_USHORT( p ); /* read segCountX2 */ 838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that we have an even value here */ 842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_segs & 1 ) 843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs /= 2; 847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 + num_segs * 2 * 4 ) 849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the search parameters - even though we never use them */ 852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 85577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check the values of `searchRange', `entrySelector', `rangeShift' */ 856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt search_range = TT_NEXT_USHORT( p ); 857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt entry_selector = TT_NEXT_USHORT( p ); 858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_shift = TT_NEXT_USHORT( p ); 859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( search_range | range_shift ) & 1 ) /* must be even values */ 862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range /= 2; 865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_shift /= 2; 866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `search range' is the greatest power of 2 that is <= num_segs */ 868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( search_range > num_segs || 870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range * 2 < num_segs || 871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range + range_shift != num_segs || 872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range != ( 1U << entry_selector ) ) 873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ends = table + 14; 877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project starts = table + 16 + num_segs * 2; 878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project deltas = starts + num_segs * 2; 879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offsets = deltas + num_segs * 2; 880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_ids = offsets + num_segs * 2; 881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 88277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check last segment; its end count value must be 0xFFFF */ 883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = ends + ( num_segs - 1 ) * 2; 886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0xFFFFU ) 887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 89177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt start, end, offset, n; 89277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt last_start = 0, last_end = 0; 89377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Int delta; 894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_start = starts; 895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_end = ends; 896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_delta = deltas; 897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_offset = offsets; 898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_segs; n++ ) 901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = p_offset; 903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p_start ); 904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p_end ); 905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT( p_delta ); 906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_USHORT( p_offset ); 907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 91177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* this test should be performed at default validation level; */ 91277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* unfortunately, some popular Asian fonts have overlapping */ 91377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* ranges in their charmaps */ 91477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* */ 915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start <= last_end && n > 0 ) 916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* allow overlapping segments, provided their start points */ 92277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* and end points, respectively, are in ascending order */ 923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( last_start > start || last_end > end ) 925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_UNSORTED; 926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_OVERLAPPING; 928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset != 0xFFFFU ) 932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 93377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner p += offset; /* start of glyph ID array */ 934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 93577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* check that we point within the glyph IDs table only */ 936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > table + length ) 940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 94277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* Some fonts handle the last segment incorrectly. In */ 94377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* theory, 0xFFFF might point to an ordinary glyph -- */ 94477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* a cmap 4 is versatile and could be used for any */ 94577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* encoding, not only Unicode. However, reality shows */ 94677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* that far too many fonts are sloppy and incorrectly */ 94777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* set all fields but `start' and `end' for the last */ 94877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* segment if it contains only a single character. */ 94977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* */ 95077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* We thus omit the test here, delaying it to the */ 95177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* routines which actually access the cmap. */ 95277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner else if ( n != num_segs - 1 || 95377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner !( start == 0xFFFFU && end == 0xFFFFU ) ) 954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > valid->limit ) 957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices within the segment range */ 961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, idx; 964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = start; i < end; i++ ) 967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = FT_NEXT_USHORT( p ); 969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( idx + delta ) & 0xFFFFU; 972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( offset == 0xFFFFU ) 980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 98177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts (erroneously?) use a range offset of 0xFFFF */ 982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to mean missing glyph in cmap table */ 983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 98477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( valid->level >= FT_VALIDATE_PARANOID || 98577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner n != num_segs - 1 || 98677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner !( start == 0xFFFFU && end == 0xFFFFU ) ) 987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_start = start; 991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_end = end; 992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 100077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner tt_cmap4_char_map_linear( TT_CMap cmap, 100177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt32* pcharcode, 100277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool next ) 1003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 1005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 1006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, num_segs; 1007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode; 1008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 1013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 1014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 1016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs ) 1018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 1022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* linear search */ 1024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; charcode <= 0xFFFFU; charcode++ ) 1025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* q; 1027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14; /* ends table */ 1030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q = cmap->data + 16 + num_segs2; /* starts table */ 1031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < num_segs; i++ ) 1033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p ); 1035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( q ); 1036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode >= start && charcode <= end ) 1038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = q - 2 + num_segs2; 1040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 104477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 104577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 104677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( i >= num_segs - 1 && 104777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner start == 0xFFFFU && end == 0xFFFFU ) 104877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 104977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.charmap.face; 105077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 105177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 105277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 105377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 105477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 105577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner delta = 1; 105677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 105777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 105877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 105977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 1060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project continue; 1062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !next || gindex ) 1078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next && gindex ) 1082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 108977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner tt_cmap4_char_map_binary( TT_CMap cmap, 109077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_UInt32* pcharcode, 109177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool next ) 1092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 1094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 1095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt max, min, mid, num_segs; 1096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt charcode = *pcharcode; 1097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 1102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 1103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs2 ) 1105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 1108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 1110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_segs; 1111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFU; 1112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 1115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 1117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_segs; 1118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 1120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 1121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 1123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < start ) 1129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( charcode > end ) 1131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 1132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 113977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* some fonts have an incorrect last segment; */ 114077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* we have to catch it */ 114177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( mid >= num_segs - 1 && 114277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner start == 0xFFFFU && end == 0xFFFFU ) 114377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 114477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner TT_Face face = (TT_Face)cmap->cmap.charmap.face; 114577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Byte* limit = face->cmap_table + face->cmap_size; 114677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 114777f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 114877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner if ( offset && p + offset + 2 > limit ) 114977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner { 115077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner delta = 1; 115177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner offset = 0; 115277f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 115377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner } 115477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 1155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the first segment containing `charcode' */ 1156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_OVERLAPPING ) 1157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 1159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* call the current segment `max' */ 1162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max + 1; 1166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments before the current segment */ 1168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max ; i > 0; i-- ) 1169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt prev_end; 1171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* old_p; 1172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project old_p = p; 1175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + ( i - 1 ) * 2; 1176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project prev_end = TT_PEEK_USHORT( p ); 1177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > prev_end ) 1179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = old_p; 1181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = prev_end; 1185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i - 1; 1194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no luck */ 1197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max + 1 ) 1198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( i != max ) 1200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + max * 2; 1202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max; 1212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments after the current segment */ 1214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max + 1; i < num_segs; i++ ) 1215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt next_end, next_start; 1217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + i * 2; 1220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_end = TT_PEEK_USHORT( p ); 1221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_start = TT_PEEK_USHORT( p ); 1223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < next_start ) 1225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = next_end; 1228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = next_start; 1229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i--; 1238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* still no luck */ 1240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max ) 1241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end, start, delta, and offset are for the i'th segment */ 1249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid != i ) 1250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `charcode' is not in any segment, then `mid' is */ 1287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment nearest to `charcode' */ 1288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > end ) 1291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 1293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_segs ) 1294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap4, mid ) ) 1298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_gindex = gindex; 1308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = cmap4->cur_charcode; 1317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_index( TT_CMap cmap, 1326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_linear( cmap, &char_code, 0 ); 1333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_binary( cmap, &char_code, 0 ); 1335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_next( TT_CMap cmap, 1340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code >= 0xFFFFU ) 1346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_linear( cmap, pchar_code, 1 ); 1350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 1356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code == cmap4->cur_charcode ) 1357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap4->cur_charcode; 1362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_binary( cmap, pchar_code, 1 ); 1365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_get_info( TT_CMap cmap, 1373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 4; 1379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap4_class_rec = 1387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap4Rec ), 1390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap4_init, 1391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap4_char_index, 1393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap4_char_next, 1394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 4, 1398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap4_validate, 1399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap4_get_info 1400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_4 */ 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 /***** *****/ 1408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 6 *****/ 1409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 1421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 1422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 1423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first 6 USHORT first segment code */ 1425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8 USHORT segment size in chars */ 142677f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* glyphIds 10 USHORT[count] glyph IDs */ 1427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A very simplified segment mapping. */ 1429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_6 1432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_validate( FT_Byte* table, 1435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length, count; 1439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 10 > valid->limit ) 1442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 2; 1445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_USHORT( p ); 1446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8; /* skip language and start index */ 1448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 1449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 10 + count * 2 ) 1451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_index( TT_CMap cmap, 1473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)( char_code - start ); 1481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_next( TT_CMap cmap, 1494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 1505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( char_code - start ); 1514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_get_info( TT_CMap cmap, 1535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 6; 1541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap6_class_rec = 1549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap6_char_index, 1556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap6_char_next, 1557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 6, 1561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap6_validate, 1562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap6_get_info 1563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_6 */ 1566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 8 *****/ 1572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 157377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /***** It is hard to completely understand what the OpenType spec *****/ 1574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** says about this format, but here is my conclusion. *****/ 1575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The purpose of this format is to easily map UTF-16 text to *****/ 1577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** glyph indices. Basically, the `char_code' must be in one of *****/ 1578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** the following formats: *****/ 1579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 16-bit value that isn't part of the Unicode Surrogates *****/ 1581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area (i.e. U+D800-U+DFFF). *****/ 1582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 32-bit value, made of two surrogate values, i.e.. if *****/ 1584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_code = (char_hi << 16) | char_lo', then both *****/ 1585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_hi' and `char_lo' must be in the Surrogates Area. *****/ 1586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area. *****/ 1587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 158877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /***** The `is32' table embedded in the charmap indicates whether a *****/ 1589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** given 16-bit value is in the surrogates area or not. *****/ 1590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** So, for any given `char_code', we can assert the following: *****/ 1592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi == 0' then we must have `is32[char_lo] == 0'. *****/ 1594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi != 0' then we must have both *****/ 1596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `is32[char_hi] != 0' and `is32[char_lo] != 0'. *****/ 1597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 8 */ 1609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is32 12 BYTE[8192] 32-bitness bitmap */ 1613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8204 ULONG number of groups */ 1614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 161577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* This header is followed by `count' groups of the following format: */ 1616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 1618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 161977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* startId 8 ULONG start glyph ID for the group */ 1620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_8 1623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_validate( FT_Byte* table, 1626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* is32; 1630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 length; 1631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups; 1632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 + 8192 > valid->limit ) 1635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 8208 ) 1639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project is32 = table + 12; 1642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = is32 + 8192; /* skip `is32' array */ 1643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 1644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p + num_groups * 12 > valid->limit ) 1646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 1649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 n, start, end, start_id, count, last = 0; 1651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 1654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt hi, lo; 1656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 1663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 1666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 1671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = (FT_UInt32)( end - start + 1 ); 1674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start & ~0xFFFFU ) 1676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi != 0; check that is32[i] is 1 for each i in */ 1678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the `hi' and `lo' of the range [start..end] */ 1679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project hi = (FT_UInt)( start >> 16 ); 1682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[hi >> 3] & ( 0x80 >> ( hi & 7 ) ) ) == 0 ) 1685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) == 0 ) 1688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi == 0; check that is32[i] is 0 for each i in */ 1694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the range [start..end] */ 1695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end_hi cannot be != 0! */ 1697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( end & ~0xFFFFU ) 1698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) != 0 ) 1705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 1711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_index( TT_CMap cmap, 1720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( start_id + char_code - start ); 1741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_next( TT_CMap cmap, 1750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8208; 1762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( char_code - start + start_id ); 1775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_get_info( TT_CMap cmap, 1791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 8; 1797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap8_class_rec = 1805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap8_char_index, 1812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap8_char_next, 1813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8, 1817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap8_validate, 1818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap8_get_info 1819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_8 */ 1822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 10 *****/ 1828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 10 */ 1840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 12 ULONG first char in range */ 1845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 16 ULONG number of chars in range */ 1846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyphIds 20 USHORT[count] glyph indices covered */ 1847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_10 1850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_validate( FT_Byte* table, 1853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length, count; 1857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 20 > valid->limit ) 1860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 16; 1864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_ULONG( p ); 1865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 20 + count * 2 ) 1867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_index( TT_CMap cmap, 1889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx = (FT_ULong)( char_code - start ); 1897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_next( TT_CMap cmap, 1910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx; 1919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt32)( char_code - start ); 1925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = char_code; 1936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_get_info( TT_CMap cmap, 1942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 10; 1948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap10_class_rec = 1956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap10_char_index, 1963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap10_char_next, 1964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 10, 1968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap10_validate, 1969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap10_get_info 1970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_10 */ 1973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 12 *****/ 1979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 12 */ 1991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 12 ULONG number of groups */ 1995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 16 */ 1996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This header is followed by `count' groups of the following format: */ 1998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 2000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 200177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner /* startId 8 ULONG start glyph ID for the group */ 2002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_12 2005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap12Rec_ 2007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 2009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool valid; 2010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_charcode; 2011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; 2012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_group; 2013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_groups; 2014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap12Rec, *TT_CMap12; 2016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_init( TT_CMap12 cmap, 2020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 2021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 2023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 12; 2025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_groups = FT_PEEK_ULONG( table ); 2026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 2028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_validate( FT_Byte* table, 2035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 2036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 2038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length; 2039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_groups; 2040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 > valid->limit ) 2043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 4; 2046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 2047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 12; 2049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 2050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 16 + 12 * num_groups ) 2052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 2055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, start, end, start_id, last = 0; 2057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 2060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 2064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 2066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 2069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 2072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 2074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 2078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode */ 2086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* cmap->cur_group should be set up properly by caller */ 2087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 2089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( TT_CMap12 cmap ) 2090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 2092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start, end, start_id, char_code; 2093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n; 2094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 2095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) 2098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 2099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = cmap->cur_charcode + 1; 2101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project n = cmap->cur_group; 2103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) 2105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->cmap.data + 16 + 12 * n; 2107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_PEEK_ULONG( p ); 2110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 2113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; char_code <= end; char_code++ ) 2115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = char_code;; 2121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 2122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_group = n; 2123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 2125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 2130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 2131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_map_binary( TT_CMap cmap, 2136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* pchar_code, 2137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool next ) 2138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 2140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 12; 2141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_PEEK_ULONG( p ); 2142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code; 2143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 2144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min, mid; 2145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_groups ) 2148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 2151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_groups; 2152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFFFFFUL; 2153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 2156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_groups; 2159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 2164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 16 + 12 * mid; 2165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > end ) 2172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_PEEK_ULONG( p ); 2176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `char_code' is not in any group, then `mid' is */ 2188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the group nearest to `char_code' */ 2189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code > end ) 2192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 2194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_groups ) 2195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->valid = 1; 2199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_charcode = char_code; 2200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_group = mid; 2201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !gindex ) 2203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_gindex = gindex; 2211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap12->cur_charcode; 2214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 2217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_index( TT_CMap cmap, 2222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap12_char_map_binary( cmap, &char_code, 0 ); 2225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_next( TT_CMap cmap, 2230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gindex; 2234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->cur_charcode >= 0xFFFFFFFFUL ) 2237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 2240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid && cmap12->cur_charcode == *pchar_code ) 2241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap12->cur_charcode; 2248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = 0; 2251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap12_char_map_binary( cmap, pchar_code, 1 ); 2254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 2256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_get_info( TT_CMap cmap, 2261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 2264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 12; 2267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 2268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 2274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap12_class_rec = 2275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap12Rec ), 2278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap12_init, 2280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 2281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap12_char_index, 2282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap12_char_next, 2283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 2285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 2286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 12, 2287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap12_validate, 2288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap12_get_info 2289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 2290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_12 */ 2292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 14 *****/ 2298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 2305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 2306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 2308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 14 */ 2310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 ULONG table length in bytes */ 2311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numSelector 6 ULONG number of variation sel. records */ 2312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Followed by numSelector records, each of which looks like */ 2314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* varSelector 0 UINT24 Unicode codepoint of sel. */ 2316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* defaultOff 3 ULONG offset to a default UVS table */ 2317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants to be found in */ 2318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the normal Unicode subtable. */ 2319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* nonDefOff 7 ULONG offset to a non-default UVS table */ 2320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants not in the */ 2321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* standard cmap, with GIDs here */ 2322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* (either offset may be 0 NULL) */ 2323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Selectors are sorted by code point. */ 2325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A default Unicode Variation Selector (UVS) subtable is just a list of */ 2327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges of code points which are to be found in the standard cmap. No */ 2328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyph IDs (GIDs) here. */ 2329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numRanges 0 ULONG number of ranges following */ 2331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* additionalCnt 3 UBYTE count of additional characters in this */ 2337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* range (zero means a range of a single */ 2338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* character) */ 2339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A non-default Unicode Variation Selector (UVS) subtable is a list of */ 2343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings from codepoint to GID. */ 2344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numMappings 0 ULONG number of mappings */ 2346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* GID 3 USHORT and its GID */ 2352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_14 2356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap14Rec_ 2358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 2360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_selectors; 2361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This array is used to store the results of various 2363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * cmap 14 query functions. The data is overwritten 2364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * on each call to these functions. 2365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt max_results; 2367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* results; 2368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory; 2369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap14Rec, *TT_CMap14; 2371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( void ) 2374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_done( TT_CMap14 cmap ) 2375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = cmap->memory; 2377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = 0; 2380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( memory != NULL && cmap->results != NULL ) 2381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( cmap->results ); 2382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 2386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_ensure( TT_CMap14 cmap, 2387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_results, 2388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt old_max = cmap->max_results; 2391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error = 0; 2392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_results > cmap->max_results ) 2395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->memory = memory; 2397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_QRENEW_ARRAY( cmap->results, old_max, num_results ) ) 2399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = num_results; 2402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_init( TT_CMap14 cmap, 2410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 2411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 2413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 6; 2415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_selectors = FT_PEEK_ULONG( table ); 2416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = 0; 2417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->results = NULL; 2418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_validate( FT_Byte* table, 2425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 2426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; 2428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length = TT_NEXT_ULONG( p ); 2429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_selectors = TT_NEXT_ULONG( p ); 2430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 10 + 11 * num_selectors ) 2433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check selectors, they must be in increasing order */ 2436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we start lastVarSel at 1 because a variant selector value of 0 2438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * isn't valid. 2439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, lastVarSel = 1; 2441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_selectors; n++ ) 2444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 2446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 2447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 2448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff >= length || nondefOff >= length ) 2451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( varSel < lastVarSel ) 2454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastVarSel = varSel + 1; 2457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the default table (these glyphs should be reached */ 2459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* through the normal Unicode cmap, no GIDs, just check order) */ 2460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 ) 2461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* defp = table + defOff; 2463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numRanges = TT_NEXT_ULONG( defp ); 2464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong i; 2465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong lastBase = 0; 2466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defp + numRanges * 4 > valid->limit ) 2469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numRanges; ++i ) 2472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong base = TT_NEXT_UINT24( defp ); 2474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cnt = FT_NEXT_BYTE( defp ); 2475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base + cnt >= 0x110000UL ) /* end of Unicode */ 2478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base < lastBase ) 2481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastBase = base + cnt + 1U; 2484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and the non-default table (these glyphs are specified here) */ 2488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 ) { 2489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* ndp = table + nondefOff; 2490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numMappings = TT_NEXT_ULONG( ndp ); 2491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong i, lastUni = 0; 2492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ndp + numMappings * 4 > valid->limit ) 2495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 2498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong uni = TT_NEXT_UINT24( ndp ); 2500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gid = TT_NEXT_USHORT( ndp ); 2501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni >= 0x110000UL ) /* end of Unicode */ 2504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni < lastUni ) 2507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastUni = uni + 1U; 2510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT && 2512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gid >= TT_VALID_GLYPH_COUNT( valid ) ) 2513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_index( TT_CMap cmap, 2525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( char_code ); 2529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_next( TT_CMap cmap, 2537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = 0; 2543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_info( TT_CMap cmap, 2549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 14; 2554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* subtable 14 does not define a language field */ 2555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = 0xFFFFFFFFUL; 2556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( FT_Byte *base, 2563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges = TT_PEEK_ULONG( base ); 2566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numRanges; 2571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 4 * mid; 2579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start = TT_NEXT_UINT24( p ); 2580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt = FT_NEXT_BYTE( p ); 2581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > start+cnt ) 2586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TRUE; 2589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return FALSE; 2592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( FT_Byte *base, 2597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings = TT_PEEK_ULONG( base ); 2600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numMappings; 2605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 5 * mid; 2613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 uni = TT_NEXT_UINT24( p ); 2614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < uni ) 2617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > uni ) 2619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TT_PEEK_USHORT( p ); 2622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 2629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_find_variant( FT_Byte *base, 2630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 variantCode ) 2631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numVar = TT_PEEK_ULONG( base ); 2633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numVar; 2638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 11 * mid; 2646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 2647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( variantCode < varSel ) 2650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( variantCode > varSel ) 2652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return p; 2655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_var_index( TT_CMap cmap, 2663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap ucmap, 2664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong charcode, 2665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong variantSelector) 2666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 2668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 2669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 2670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 2673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 2676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_PEEK_ULONG( p ); 2677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 2679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 2680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This is the default variant of this charcode. GID not stored */ 2682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* here; stored in the normal Unicode charmap instead. */ 2683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ucmap->cmap.clazz->char_index( &ucmap->cmap, charcode ); 2684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 ) 2687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 2688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ); 2689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Int ) 2695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_var_isdefault( TT_CMap cmap, 2696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong charcode, 2697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong variantSelector ) 2698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 2700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 2701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 2702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 2705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 2706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 2708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 2709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 2711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 2712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 1; 2713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 && 2715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 2716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ) != 0 ) 2717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 2720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32* ) 2724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variants( TT_CMap cmap, 2725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14)cmap; 2728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = cmap14->num_selectors; 2729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 2730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* result; 2731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 2732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 2735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = cmap14->results; 2738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < count; ++i ) 2739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result[i] = TT_NEXT_UINT24( p ); 2741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 8; 2742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result[i] = 0; 2744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 2746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 2750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_variants( TT_CMap cmap, 2751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 2752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong charCode ) 2753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = cmap14->num_selectors; 2756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 2757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 2758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 2761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; count > 0; --count ) 2764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 varSel = TT_NEXT_UINT24( p ); 2766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 2767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 2768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( defOff != 0 && 2771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, 2772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) ) || 2773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ( nondefOff != 0 && 2774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 2775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) != 0 ) ) 2776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = varSel; 2778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q++; 2779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 2782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 2784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_def_char_count( FT_Byte *p ) 2789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges = TT_NEXT_ULONG( p ); 2791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt tot = 0; 2792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 279477f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner p += 3; /* point to the first `cnt' field */ 2795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; numRanges > 0; numRanges-- ) 2796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tot += 1 + p[0]; 2798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 4; 2799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tot; 2802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt32* 2806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_def_chars( TT_CMap cmap, 2807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p, 2808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 2812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt; 2813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 2814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = tt_cmap14_def_char_count( p ); 2817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numRanges = TT_NEXT_ULONG( p ); 2818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( cnt + 1 ), memory ) ) 2820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; numRanges > 0; --numRanges ) 2823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt uni = TT_NEXT_UINT24( p ); 2825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = FT_NEXT_BYTE( p ) + 1; 2828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 2829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = uni; 2831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project uni += 1; 2832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q += 1; 2833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( --cnt != 0 ); 2834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 2836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 2838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 284177f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner static FT_UInt32* 2842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_nondef_chars( TT_CMap cmap, 2843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p, 2844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 2848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 2849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *ret; 2850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numMappings = TT_NEXT_ULONG( p ); 2853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( numMappings + 1 ), memory ) ) 2855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 2858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 2859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = TT_NEXT_UINT24( p ); 2861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 2864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 2866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 2870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variant_chars( TT_CMap cmap, 2871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 2872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong variantSelector ) 2873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p = tt_cmap14_find_variant( cmap->data + 6, 2875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project variantSelector ); 2876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *ret; 2877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int i; 2878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 2879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 2880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 2883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 2886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 2887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 && nondefOff == 0 ) 2889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 ) 2892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 2893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( nondefOff == 0 ) 2895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 2896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Both a default and a non-default glyph set? That's probably not */ 2900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* good font design, but the spec allows for it... */ 2901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 2903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 2904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 duni; 2905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 dcnt; 2906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 nuni; 2907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* dp; 2908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt di, ni, k; 2909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + nondefOff; 2912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dp = cmap->data + defOff; 2913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numMappings = TT_NEXT_ULONG( p ); 2915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = tt_cmap14_def_char_count( dp ); 2916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numRanges = TT_NEXT_ULONG( dp ); 2917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( numMappings == 0 ) 2919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 2920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dcnt == 0 ) 2922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 2923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( dcnt + numMappings + 1 ), memory ) ) 2926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 2929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project duni = TT_NEXT_UINT24( dp ); 2930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 2931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project di = 1; 2932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nuni = TT_NEXT_UINT24( p ); 2933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ni = 1; 2935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i = 0; 2936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 2938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni > duni + dcnt ) 2940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 2942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 2943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 2945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( di > numRanges ) 2947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project duni = TT_NEXT_UINT24( dp ); 2950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 2951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni < duni ) 2955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 2956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If it is within the default range then ignore it -- */ 2957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* that should not have happened */ 2958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 2959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni > numMappings ) 2960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nuni = TT_NEXT_UINT24( p ); 2963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni <= numMappings ) 2968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all default ranges. */ 2970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We have read one non-default mapping which we haven't stored */ 2971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and there may be others that need to be read. */ 2972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 2973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( ni < numMappings ) 2974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = TT_NEXT_UINT24( p ); 2976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 2978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( di <= numRanges ) 2981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all non-default */ 2983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings. We have read one default range which we haven't */ 2984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* stored and there may be others that need to be read. */ 2985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 2986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 2987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( di < numRanges ) 2989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project duni = TT_NEXT_UINT24( dp ); 2991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 2992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 2994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 2995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 2996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 3000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 3002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 3007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap14_class_rec = 3008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap14Rec ), 3011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap14_init, 3013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) tt_cmap14_done, 3014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap14_char_index, 3015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap14_char_next, 3016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Format 14 extension functions */ 3018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index, 3019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault, 3020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_VariantListFunc) tt_cmap14_variants, 3021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants, 3022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars 3023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 3024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 14, 3025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc)tt_cmap14_validate, 3026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc)tt_cmap14_get_info 3027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 3028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 302977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner#endif /* TT_CONFIG_CMAP_FORMAT_14 */ 3030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const TT_CMap_Class tt_cmap_classes[] = 3033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_0 3035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap0_class_rec, 3036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_2 3039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap2_class_rec, 3040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_4 3043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap4_class_rec, 3044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_6 3047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap6_class_rec, 3048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_8 3051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap8_class_rec, 3052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_10 3055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap10_class_rec, 3056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_12 3059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap12_class_rec, 3060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_14 3063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap14_class_rec, 3064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, 3067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 3068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse the `cmap' table and build the corresponding TT_CMap objects */ 3071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in the current face */ 3072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 3073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Error ) 3074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_face_build_cmaps( TT_Face face ) 3075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = face->cmap_table; 3077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = table + face->cmap_size; 3078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt volatile num_cmaps; 3079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile p = table; 3080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p + 4 > limit ) 3083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Invalid_Table; 3084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* only recognize format 0 */ 3086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_NEXT_USHORT( p ) != 0 ) 3087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p -= 2; 3089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "tt_face_build_cmaps: unsupported `cmap' table format = %d\n", 3090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_PEEK_USHORT( p ) )); 3091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Invalid_Table; 3092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_cmaps = TT_NEXT_USHORT( p ); 3095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) 3097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CharMapRec charmap; 3099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 offset; 3100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.platform_id = TT_NEXT_USHORT( p ); 3103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding_id = TT_NEXT_USHORT( p ); 3104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.face = FT_FACE( face ); 3105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding = FT_ENCODING_NONE; /* will be filled later */ 3106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_ULONG( p ); 3107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset <= face->cmap_size - 2 ) 3109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile cmap = table + offset; 3111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile FT_UInt format = TT_PEEK_USHORT( cmap ); 3112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_Class* volatile pclazz = tt_cmap_classes; 3113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class volatile clazz; 3114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; *pclazz; pclazz++ ) 3117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project clazz = *pclazz; 3119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( clazz->format == format ) 3120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile TT_ValidatorRec valid; 3122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile FT_Error error = SFNT_Err_Ok; 3123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ft_validator_init( FT_VALIDATOR( &valid ), cmap, limit, 3126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_VALIDATE_DEFAULT ); 3127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project valid.num_glyphs = (FT_UInt)face->max_profile.numGlyphs; 3129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ft_setjmp( 3131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *((ft_jmp_buf*)&FT_VALIDATOR( &valid )->jump_buffer) ) == 0 ) 3132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* validate this cmap sub-table */ 3134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = clazz->validate( cmap, FT_VALIDATOR( &valid ) ); 3135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid.validator.error == 0 ) 3138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap ttcmap; 3140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* It might make sense to store the single variation selector */ 3143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* cmap somewhere special. But it would have to be in the */ 3144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* public FT_FaceRec, and we can't change that. */ 3145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_CMap_New( (FT_CMap_Class)clazz, 3147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap, &charmap, &ttcmap ) ) 3148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* it is simpler to directly set `flags' than adding */ 3150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a parameter to FT_CMap_New */ 3151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ((TT_CMap)ttcmap)->flags = (FT_Int)error; 3152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "tt_face_build_cmaps:" )); 3157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( " broken cmap sub-table ignored!\n" )); 3158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pclazz == NULL ) 3164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "tt_face_build_cmaps:" )); 3166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( " unsupported cmap sub-table ignored!\n" )); 3167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 3172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( FT_Error ) 3176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_get_cmap_info( FT_CharMap charmap, 3177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 3178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap cmap = (FT_CMap)charmap; 3180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class clazz = (TT_CMap_Class)cmap->clazz; 3181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return clazz->get_cmap_info( charmap, cmap_info ); 3184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* END */ 3188