ttcmap.c revision 049d6fea481044fcc000e7782e5bc7046fc70844
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/* */ 7049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* Copyright 2002, 2003, 2004, 2005, 2006, 2007 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 137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 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 */ 234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 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 */ 263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `glyph_ids' table. Let's call it `slice' (it's 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 */ 270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 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 */ 285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 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 331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check range within 0..255 */ 332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( first_code >= 256 || first_code + code_count > 256 ) 335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check offset */ 339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0 ) 340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ids = p - 2 + offset; 342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ids < glyph_ids || ids + code_count*2 > table + length ) 343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_OFFSET; 344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph ids */ 346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = p + code_count * 2; 349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < limit; ) 353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = ( idx + delta ) & 0xFFFFU; 358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* return sub header corresponding to a given character code */ 371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NULL on invalid charcode */ 372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_subheader( FT_Byte* table, 374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* result = NULL; 377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < 0x10000UL ) 380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( char_code & 0xFF ); 382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_hi = (FT_UInt)( char_code >> 8 ); 383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; /* keys table */ 384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subs = table + 518; /* subheaders table */ 385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* sub; 386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_hi == 0 ) 389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* an 8-bit character code -- we use subHeader 0 in this case */ 391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to test whether the character code is in the charmap */ 392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs; /* jump to first sub-header */ 394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the sub-header for this byte is 0, which */ 396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* indicates that it's really a valid one-byte value */ 397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Otherwise, return 0 */ 398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_lo * 2; 400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0 ) 401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a 16-bit character code */ 406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to key entry */ 408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += char_hi * 2; 409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to sub-header */ 410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = subs + ( FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 8 ) ); 411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that the high byte isn't a valid one-byte value */ 413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( sub == subs ) 414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = sub; 417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_index( TT_CMap cmap, 425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, char_code ); 433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)(char_code & 0xFF); 437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start, count; 438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p ); 443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT ( p ); 445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx -= start; 448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count && offset != 0 ) 449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + 2 * idx; 451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_PEEK_USHORT( p ); 452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( idx + delta ) & 0xFFFFU; 455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_char_next( TT_CMap cmap, 463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pcharcode ) 464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode + 1; 469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* subheader; 470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( charcode < 0x10000UL ) 473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project subheader = tt_cmap2_get_subheader( table, charcode ); 475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subheader ) 476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = subheader; 478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = TT_NEXT_SHORT ( p ); 481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset = TT_PEEK_USHORT( p ); 482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt char_lo = (FT_UInt)( charcode & 0xFF ); 483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt pos, idx; 484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0 ) 487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Next_SubHeader; 488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_lo < start ) 490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_lo = start; 492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = 0; 493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project pos = (FT_UInt)( char_lo - start ); 496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + pos * 2; 498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + char_lo; 499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; pos < count; pos++, charcode++ ) 501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = TT_NEXT_USHORT( p ); 503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = ( idx + delta ) & 0xFFFFU; 507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charcode; 510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* jump to next sub-header, i.e. higher byte value */ 517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Next_SubHeader: 518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = FT_PAD_FLOOR( charcode, 256 ) + 256; 519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = result; 523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap2_get_info( TT_CMap cmap, 530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 2; 536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap2_class_rec = 544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap2_char_index, 551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap2_char_next, 552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2, 556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap2_validate, 557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap2_get_info 558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_2 */ 561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 4 *****/ 567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length */ 580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in bytes */ 581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segCountX2 6 USHORT 2*NUM_SEGS */ 584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange 8 USHORT 2*(1 << LOG_SEGS) */ 585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* entrySelector 10 USHORT LOG_SEGS */ 586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* rangeShift 12 USHORT segCountX2 - */ 587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* searchRange */ 588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* endCount 14 USHORT[NUM_SEGS] end charcode for */ 590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; last */ 591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is 0xFFFF */ 592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* pad 14+NUM_SEGS*2 USHORT padding */ 594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* startCount 16+NUM_SEGS*2 USHORT[NUM_SEGS] first charcode for */ 596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment */ 597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idDelta 16+NUM_SEGS*4 SHORT[NUM_SEGS] delta for each */ 599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* segment */ 600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* idOffset 16+NUM_SEGS*6 SHORT[NUM_SEGS] range offset for */ 601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* each segment; can be */ 602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* zero */ 603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyphIds 16+NUM_SEGS*8 USHORT[] array of glyph id */ 605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges */ 606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Character codes are modelled by a series of ordered (increasing) */ 608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* intervals called segments. Each segment has start and end codes, */ 609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* provided by the `startCount' and `endCount' arrays. Segments must */ 610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* not be overlapping and the last segment should always contain the */ 611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `0xFFFF' endCount. */ 612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The fields `searchRange', `entrySelector' and `rangeShift' are better */ 614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ignored (they are traces of over-engineering in the TrueType */ 615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* specification). */ 616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Each segment also has a signed `delta', as well as an optional offset */ 618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* within the `glyphIds' table. */ 619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If a segment's idOffset is 0, the glyph index corresponding to any */ 621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* charcode within the segment is obtained by adding the value of */ 622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `idDelta' directly to the charcode, modulo 65536. */ 623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Otherwise, a glyph index is taken from the glyph ids sub-array for */ 625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment, and the value of `idDelta' is added to it. */ 626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Finally, note that certain fonts contain invalid charmaps that */ 629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* contain end=0xFFFF, start=0xFFFF, delta=0x0001, offset=0xFFFF at the */ 630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* of their charmaps (e.g. opens___.ttf which comes with OpenOffice.org) */ 631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we need special code to deal with them correctly... */ 632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_4 635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap4Rec_ 637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 cur_charcode; /* current charcode */ 640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; /* current glyph index */ 641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges; 643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_range; 644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_start; 645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_end; 646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int cur_delta; 647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* cur_values; 648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap4Rec, *TT_CMap4; 650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_init( TT_CMap4 cmap, 654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_ranges = FT_PEEK_USHORT( p ) >> 1; 663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = 0xFFFFFFFFUL; 664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Int 671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_set_range( TT_CMap4 cmap, 672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_index ) 673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->cmap.data; 675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges = cmap->num_ranges; 677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( range_index < num_ranges ) 680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt offset; 682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 14 + range_index * 2; 685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_end = FT_PEEK_USHORT( p ); 686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_ranges * 2; 688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_start = FT_PEEK_USHORT( p ); 689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_delta = FT_PEEK_SHORT( p ); 692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_ranges * 2; 694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = FT_PEEK_USHORT( p ); 695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_values = offset ? p + offset : NULL; 699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_range = range_index; 700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we skip empty segments */ 704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_index++; 705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode; */ 712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* caller should call tt_cmap4_set_range with proper range */ 713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* before calling this function */ 714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( TT_CMap4 cmap ) 717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt charcode; 719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFUL ) 722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_charcode + 1; 725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* values = cmap->cur_values; 732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt end = cmap->cur_end; 733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta = cmap->cur_delta; 734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode <= end ) 737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( values ) 739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = values + 2 * ( charcode - cmap->cur_start ); 741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = FT_NEXT_USHORT( p ); 746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( ( gindex + delta ) & 0xFFFFU ); 751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = (FT_UInt)( ( charcode + delta ) & 0xFFFFU ); 765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = charcode; 770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( ++charcode <= end ); 774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we need to find another range */ 778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap, cmap->cur_range + 1 ) < 0 ) 779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < cmap->cur_start ) 782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode = cmap->cur_start; 783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = 0xFFFFFFFFUL; 787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = 0; 788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_validate( FT_Byte* table, 793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; /* skip format */ 796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length = TT_NEXT_USHORT( p ); 797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *ends, *starts, *offsets, *deltas, *glyph_ids; 798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs; 799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error = SFNT_Err_Ok; 800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 ) 803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in certain fonts, the `length' field is invalid and goes */ 806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* out of bound. We try to correct this here... */ 807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit ) 808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = (FT_UInt)( valid->limit - table ); 813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 6; 816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = TT_NEXT_USHORT( p ); /* read segCountX2 */ 817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that we have an even value here */ 821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_segs & 1 ) 822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs /= 2; 826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( length < 16 + num_segs * 2 * 4 ) 828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the search parameters - even though we never use them */ 831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the values of 'searchRange', 'entrySelector', 'rangeShift' */ 835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt search_range = TT_NEXT_USHORT( p ); 836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt entry_selector = TT_NEXT_USHORT( p ); 837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt range_shift = TT_NEXT_USHORT( p ); 838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( search_range | range_shift ) & 1 ) /* must be even values */ 841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range /= 2; 844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project range_shift /= 2; 845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* `search range' is the greatest power of 2 that is <= num_segs */ 847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( search_range > num_segs || 849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range * 2 < num_segs || 850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range + range_shift != num_segs || 851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project search_range != ( 1U << entry_selector ) ) 852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ends = table + 14; 856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project starts = table + 16 + num_segs * 2; 857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project deltas = starts + num_segs * 2; 858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offsets = deltas + num_segs * 2; 859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_ids = offsets + num_segs * 2; 860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check last segment, its end count must be FFFF */ 862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID ) 863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = ends + ( num_segs - 1 ) * 2; 865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_PEEK_USHORT( p ) != 0xFFFFU ) 866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start, end, offset, n; 871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt last_start = 0, last_end = 0; 872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_start = starts; 874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_end = ends; 875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_delta = deltas; 876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_offset = offsets; 877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_segs; n++ ) 880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = p_offset; 882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( p_start ); 883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p_end ); 884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_NEXT_SHORT( p_delta ); 885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_USHORT( p_offset ); 886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this test should be performed at default validation level; */ 891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* unfortunately, some popular Asian fonts present overlapping */ 892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges in their charmaps */ 893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start <= last_end && n > 0 ) 895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* allow overlapping segments, provided their start points */ 901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and end points, respectively, are in ascending order. */ 902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( last_start > start || last_end > end ) 904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_UNSORTED; 905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error |= TT_CMAP_FLAG_OVERLAPPING; 907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset != 0xFFFFU ) 911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset; /* start of glyph id array */ 913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check that we point within the glyph ids table only */ 915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > table + length ) 919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p < glyph_ids || 924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p + ( end - start + 1 ) * 2 > valid->limit ) 925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices within the segment range */ 929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, idx; 932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = start; i < end; i++ ) 935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = FT_NEXT_USHORT( p ); 937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx != 0 ) 938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( idx + delta ) & 0xFFFFU; 940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx >= TT_VALID_GLYPH_COUNT( valid ) ) 942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( offset == 0xFFFFU ) 948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Some fonts (erroneously?) use a range offset of 0xFFFF */ 950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* to mean missing glyph in cmap table */ 951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_PARANOID || 953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project n != num_segs - 1 || 954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project !( start == 0xFFFFU && end == 0xFFFFU && delta == 0x1U ) ) 955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_start = start; 959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last_end = end; 960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_map_linear( TT_CMap cmap, 969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt* pcharcode, 970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool next ) 971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i, num_segs; 975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 charcode = *pcharcode; 976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs ) 986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* linear search */ 992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; charcode <= 0xFFFFU; charcode++ ) 993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* q; 995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14; /* ends table */ 998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q = cmap->data + 16 + num_segs2; /* starts table */ 999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < num_segs; i++ ) 1001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_USHORT( p ); 1003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_USHORT( q ); 1004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode >= start && charcode <= end ) 1006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = q - 2 + num_segs2; 1008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project continue; 1014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !next || gindex ) 1030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next && gindex ) 1034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 1041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_map_binary( TT_CMap cmap, 1042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt* pcharcode, 1043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool next ) 1044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_segs2, start, end, offset; 1046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int delta; 1047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt max, min, mid, num_segs; 1048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt charcode = *pcharcode; 1049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 6; 1054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs2 = FT_PAD_FLOOR( TT_PEEK_USHORT( p ), 2 ); 1055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_segs2 ) 1057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_segs = num_segs2 >> 1; 1060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 1062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_segs; 1063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFU; 1064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode++; 1067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 1069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_segs; 1070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 1072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 1073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 1075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < start ) 1081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( charcode > end ) 1083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 1084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the first segment containing `charcode' */ 1092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_OVERLAPPING ) 1093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 1095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* call the current segment `max' */ 1098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 1099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max + 1; 1102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments before the current segment */ 1104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max ; i > 0; i-- ) 1105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt prev_end; 1107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* old_p; 1108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project old_p = p; 1111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + ( i - 1 ) * 2; 1112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project prev_end = TT_PEEK_USHORT( p ); 1113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > prev_end ) 1115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = old_p; 1117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = prev_end; 1121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i - 1; 1130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no luck */ 1133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max + 1 ) 1134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( i != max ) 1136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + max * 2; 1138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = max; 1148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search in segments after the current segment */ 1150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = max + 1; i < num_segs; i++ ) 1151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt next_end, next_start; 1153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + i * 2; 1156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_end = TT_PEEK_USHORT( p ); 1157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project next_start = TT_PEEK_USHORT( p ); 1159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode < next_start ) 1161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = next_end; 1164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = next_start; 1165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset != 0xFFFFU ) 1171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i--; 1174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* still no luck */ 1176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == max ) 1177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = i; 1179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end, start, delta, and offset are for the i'th segment */ 1185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid != i ) 1186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 14 + mid * 2; 1188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_PEEK_USHORT( p ); 1189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 + num_segs2; 1190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_PEEK_USHORT( p ); 1191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project delta = TT_PEEK_SHORT( p ); 1193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += num_segs2; 1194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_PEEK_USHORT( p ); 1195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset == 0xFFFFU ) 1200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset ) 1204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += offset + ( charcode - start ) * 2; 1206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_PEEK_USHORT( p ); 1207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( gindex + delta ) & 0xFFFFU; 1209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( charcode + delta ) & 0xFFFFU; 1212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 1218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `charcode' is not in any segment, then `mid' is */ 1223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the segment nearest to `charcode' */ 1224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charcode > end ) 1227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 1229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_segs ) 1230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap4_set_range( cmap4, mid ) ) 1234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = charcode; 1237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_gindex = gindex; 1244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap4->cur_charcode = charcode; 1247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pcharcode = cmap4->cur_charcode; 1253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_index( TT_CMap cmap, 1262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_linear( cmap, &char_code, 0 ); 1269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap4_char_map_binary( cmap, &char_code, 0 ); 1271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_char_next( TT_CMap cmap, 1276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code >= 0xFFFFU ) 1282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 1283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->flags & TT_CMAP_FLAG_UNSORTED ) 1285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_linear( cmap, pchar_code, 1 ); 1286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap4 cmap4 = (TT_CMap4)cmap; 1289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 1292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pchar_code == cmap4->cur_charcode ) 1293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_next( cmap4 ); 1295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap4->cur_gindex; 1296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 1297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap4->cur_charcode; 1298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap4_char_map_binary( cmap, pchar_code, 1 ); 1301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap4_get_info( TT_CMap cmap, 1309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 4; 1315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap4_class_rec = 1323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap4Rec ), 1326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap4_init, 1327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap4_char_index, 1329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap4_char_next, 1330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 4, 1334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap4_validate, 1335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap4_get_info 1336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_4 */ 1339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 6 *****/ 1345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 4 */ 1357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 USHORT table length in bytes */ 1358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 4 USHORT Mac language code */ 1359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* first 6 USHORT first segment code */ 1361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8 USHORT segment size in chars */ 1362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyphIds 10 USHORT[count] glyph ids */ 1363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A very simplified segment mapping. */ 1365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_6 1368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_validate( FT_Byte* table, 1371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt length, count; 1375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 10 > valid->limit ) 1378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 2; 1381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_USHORT( p ); 1382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8; /* skip language and start index */ 1384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_USHORT( p ); 1385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 10 + count * 2 ) 1387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_index( TT_CMap cmap, 1409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx = (FT_UInt)( char_code - start ); 1417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_char_next( TT_CMap cmap, 1430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 6; 1438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt start = TT_NEXT_USHORT( p ); 1439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = TT_NEXT_USHORT( p ); 1440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 1441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code >= 0x10000UL ) 1444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt)( char_code - start ); 1450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap6_get_info( TT_CMap cmap, 1471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 4; 1474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 6; 1477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); 1478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap6_class_rec = 1485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap6_char_index, 1492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap6_char_next, 1493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 6, 1497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap6_validate, 1498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap6_get_info 1499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_6 */ 1502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 8 *****/ 1508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** It's hard to completely understand what the OpenType spec *****/ 1510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** says about this format, but here is my conclusion. *****/ 1511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The purpose of this format is to easily map UTF-16 text to *****/ 1513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** glyph indices. Basically, the `char_code' must be in one of *****/ 1514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** the following formats: *****/ 1515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 16-bit value that isn't part of the Unicode Surrogates *****/ 1517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area (i.e. U+D800-U+DFFF). *****/ 1518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** - A 32-bit value, made of two surrogate values, i.e.. if *****/ 1520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_code = (char_hi << 16) | char_lo', then both *****/ 1521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `char_hi' and `char_lo' must be in the Surrogates Area. *****/ 1522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** Area. *****/ 1523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** The 'is32' table embedded in the charmap indicates whether a *****/ 1525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** given 16-bit value is in the surrogates area or not. *****/ 1526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** So, for any given `char_code', we can assert the following: *****/ 1528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi == 0' then we must have `is32[char_lo] == 0'. *****/ 1530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** If `char_hi != 0' then we must have both *****/ 1532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** `is32[char_hi] != 0' and `is32[char_lo] != 0'. *****/ 1533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 8 */ 1545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* is32 12 BYTE[8192] 32-bitness bitmap */ 1549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 8204 ULONG number of groups */ 1550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This header is followed by 'count' groups of the following format: */ 1552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 1554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 1555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* startId 8 ULONG start glyph id for the group */ 1556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_8 1559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_validate( FT_Byte* table, 1562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* is32; 1566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 length; 1567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups; 1568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 + 8192 > valid->limit ) 1571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 8208 ) 1575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project is32 = table + 12; 1578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = is32 + 8192; /* skip `is32' array */ 1579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 1580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p + num_groups * 12 > valid->limit ) 1582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 1585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 n, start, end, start_id, count, last = 0; 1587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 1590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt hi, lo; 1592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 1599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 1602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 1607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = (FT_UInt32)( end - start + 1 ); 1610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start & ~0xFFFFU ) 1612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi != 0; check that is32[i] is 1 for each i in */ 1614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the `hi' and `lo' of the range [start..end] */ 1615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project hi = (FT_UInt)( start >> 16 ); 1618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[hi >> 3] & ( 0x80 >> ( hi & 7 ) ) ) == 0 ) 1621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) == 0 ) 1624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start_hi == 0; check that is32[i] is 0 for each i in */ 1630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the range [start..end] */ 1631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end_hi cannot be != 0! */ 1633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( end & ~0xFFFFU ) 1634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count--, start++ ) 1637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lo = (FT_UInt)( start & 0xFFFFU ); 1639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (is32[lo >> 3] & ( 0x80 >> ( lo & 7 ) ) ) != 0 ) 1641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 1642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 1647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_index( TT_CMap cmap, 1656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = (FT_UInt)( start_id + char_code - start ); 1677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_char_next( TT_CMap cmap, 1686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 result = 0; 1689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 8204; 1693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_NEXT_ULONG( p ); 1694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 1695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 8208; 1698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_groups > 0; num_groups-- ) 1700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 1704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code <= end ) 1709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( char_code - start + start_id ); 1711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = char_code; 1714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = result; 1721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap8_get_info( TT_CMap cmap, 1727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 8; 1733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap8_class_rec = 1741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap8_char_index, 1748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap8_char_next, 1749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8, 1753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap8_validate, 1754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap8_get_info 1755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_8 */ 1758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 10 *****/ 1764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 10 */ 1776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 12 ULONG first char in range */ 1781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 16 ULONG number of chars in range */ 1782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyphIds 20 USHORT[count] glyph indices covered */ 1783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_10 1786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_validate( FT_Byte* table, 1789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 4; 1792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length, count; 1793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 20 > valid->limit ) 1796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 16; 1800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count = TT_NEXT_ULONG( p ); 1801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 20 + count * 2 ) 1803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check glyph indices */ 1806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 1807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; count > 0; count-- ) 1812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex >= TT_VALID_GLYPH_COUNT( valid ) ) 1815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 1816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_index( TT_CMap cmap, 1825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 1826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 1829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx = (FT_ULong)( char_code - start ); 1833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx < count ) 1836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = TT_PEEK_USHORT( p ); 1839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 1841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 1845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_char_next( TT_CMap cmap, 1846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 1847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = cmap->data; 1849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code + 1; 1850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 1851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 12; 1852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start = TT_NEXT_ULONG( p ); 1853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 count = TT_NEXT_ULONG( p ); 1854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 idx; 1855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 1858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 1859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx = (FT_UInt32)( char_code - start ); 1861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2 * idx; 1862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; idx < count; idx++ ) 1864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = TT_NEXT_USHORT( p ); 1866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex != 0 ) 1867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 1869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = char_code; 1872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 1873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap10_get_info( TT_CMap cmap, 1878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 1879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 1881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 10; 1884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 1885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 1891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap10_class_rec = 1892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMapRec ), 1895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap_init, 1897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 1898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap10_char_index, 1899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap10_char_next, 1900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 1902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 1903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 10, 1904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap10_validate, 1905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap10_get_info 1906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_10 */ 1909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 12 *****/ 1915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 1916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 1920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 1922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 1923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 1925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 12 */ 1927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* reserved 2 USHORT reserved */ 1928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 4 ULONG length in bytes */ 1929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* language 8 ULONG Mac language code */ 1930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count 12 ULONG number of groups */ 1931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* 16 */ 1932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This header is followed by `count' groups of the following format: */ 1934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* start 0 ULONG first charcode */ 1936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* end 4 ULONG last charcode */ 1937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* startId 8 ULONG start glyph id for the group */ 1938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_12 1941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap12Rec_ 1943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 1945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool valid; 1946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_charcode; 1947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cur_gindex; 1948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cur_group; 1949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_groups; 1950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap12Rec, *TT_CMap12; 1952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_init( TT_CMap12 cmap, 1956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 1957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 1959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 12; 1961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_groups = FT_PEEK_ULONG( table ); 1962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 1964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 1966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 1970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_validate( FT_Byte* table, 1971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 1972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length; 1975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_groups; 1976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + 16 > valid->limit ) 1979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 4; 1982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project length = TT_NEXT_ULONG( p ); 1983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = table + 12; 1985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_groups = TT_NEXT_ULONG( p ); 1986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 16 + 12 * num_groups ) 1988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 1989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check groups, they must be in increasing order */ 1991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, start, end, start_id, last = 0; 1993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_groups; n++ ) 1996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 1998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 1999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_NEXT_ULONG( p ); 2000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start > end ) 2002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( n > 0 && start <= last ) 2005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT ) 2008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) 2010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project last = end; 2014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* search the index of the charcode next to cmap->cur_charcode */ 2022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* cmap->cur_group should be set up properly by caller */ 2023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 2025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( TT_CMap12 cmap ) 2026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 2028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start, end, start_id, char_code; 2029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n; 2030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 2031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap->cur_charcode >= 0xFFFFFFFFUL ) 2034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail; 2035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = cmap->cur_charcode + 1; 2037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project n = cmap->cur_group; 2039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = cmap->cur_group; n < cmap->num_groups; n++ ) 2041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->cmap.data + 16 + 12 * n; 2043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_PEEK_ULONG( p ); 2046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code = start; 2049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; char_code <= end; char_code++ ) 2051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_charcode = char_code;; 2057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_gindex = gindex; 2058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cur_group = n; 2059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return; 2061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail: 2066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->valid = 0; 2067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_map_binary( TT_CMap cmap, 2072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* pchar_code, 2073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool next ) 2074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex = 0; 2076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 12; 2077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 num_groups = TT_PEEK_ULONG( p ); 2078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code = *pchar_code; 2079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 start, end, start_id; 2080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min, mid; 2081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !num_groups ) 2084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* make compiler happy */ 2087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = num_groups; 2088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = 0xFFFFFFFFUL; 2089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project char_code++; 2092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = num_groups; 2095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid = ( min + max ) >> 1; 2100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + 16 + 12 * mid; 2101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start = TT_NEXT_ULONG( p ); 2103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project end = TT_NEXT_ULONG( p ); 2104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > end ) 2108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project start_id = TT_PEEK_ULONG( p ); 2112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = (FT_UInt)( start_id + char_code - start ); 2113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( next ) 2119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if `char_code' is not in any group, then `mid' is */ 2124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the group nearest to `char_code' */ 2125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code > end ) 2128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project mid++; 2130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( mid == num_groups ) 2131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->valid = 1; 2135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_charcode = char_code; 2136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_group = mid; 2137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !gindex ) 2139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap12->cur_gindex = gindex; 2147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap12->cur_charcode; 2150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 2153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_index( TT_CMap cmap, 2158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap12_char_map_binary( cmap, &char_code, 0 ); 2161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_char_next( TT_CMap cmap, 2166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap12 cmap12 = (TT_CMap12)cmap; 2169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gindex; 2170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->cur_charcode >= 0xFFFFFFFFUL ) 2173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* no need to search */ 2176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid && cmap12->cur_charcode == *pchar_code ) 2177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_next( cmap12 ); 2179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( cmap12->valid ) 2180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = cmap12->cur_gindex; 2182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gindex ) 2183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = cmap12->cur_charcode; 2184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = 0; 2187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gindex = tt_cmap12_char_map_binary( cmap, pchar_code, 1 ); 2190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return gindex; 2192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap12_get_info( TT_CMap cmap, 2197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 8; 2200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 12; 2203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); 2204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 2210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap12_class_rec = 2211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap12Rec ), 2214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap12_init, 2216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) NULL, 2217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap12_char_index, 2218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap12_char_next, 2219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, NULL, NULL, NULL, NULL 2221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 2222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 12, 2223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc) tt_cmap12_validate, 2224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc) tt_cmap12_get_info 2225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 2226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_12 */ 2228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** FORMAT 14 *****/ 2234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /***** *****/ 2235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 2239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* TABLE OVERVIEW */ 2241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* -------------- */ 2242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* NAME OFFSET TYPE DESCRIPTION */ 2244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* format 0 USHORT must be 14 */ 2246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* length 2 ULONG table length in bytes */ 2247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numSelector 6 ULONG number of variation sel. records */ 2248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Followed by numSelector records, each of which looks like */ 2250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* varSelector 0 UINT24 Unicode codepoint of sel. */ 2252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* defaultOff 3 ULONG offset to a default UVS table */ 2253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants to be found in */ 2254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the normal Unicode subtable. */ 2255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* nonDefOff 7 ULONG offset to a non-default UVS table */ 2256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* describing any variants not in the */ 2257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* standard cmap, with GIDs here */ 2258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* (either offset may be 0 NULL) */ 2259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Selectors are sorted by code point. */ 2261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A default Unicode Variation Selector (UVS) subtable is just a list of */ 2263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ranges of code points which are to be found in the standard cmap. No */ 2264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* glyph IDs (GIDs) here. */ 2265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numRanges 0 ULONG number of ranges following */ 2267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* additionalCnt 3 UBYTE count of additional characters in this */ 2273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* range (zero means a range of a single */ 2274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* character) */ 2275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A non-default Unicode Variation Selector (UVS) subtable is a list of */ 2279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings from codepoint to GID. */ 2280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* numMappings 0 ULONG number of mappings */ 2282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* A range looks like */ 2284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* uniStart 0 UINT24 code point of the first character in */ 2286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this range */ 2287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* GID 3 USHORT and its GID */ 2288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 2289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Ranges are sorted by `uniStart'. */ 2290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_14 2292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project typedef struct TT_CMap14Rec_ 2294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapRec cmap; 2296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_selectors; 2297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This array is used to store the results of various 2299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * cmap 14 query functions. The data is overwritten 2300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * on each call to these functions. 2301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt max_results; 2303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* results; 2304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory; 2305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } TT_CMap14Rec, *TT_CMap14; 2307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( void ) 2310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_done( TT_CMap14 cmap ) 2311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = cmap->memory; 2313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = 0; 2316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( memory != NULL && cmap->results != NULL ) 2317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( cmap->results ); 2318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 2322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_ensure( TT_CMap14 cmap, 2323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_results, 2324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt old_max = cmap->max_results; 2327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error = 0; 2328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_results > cmap->max_results ) 2331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->memory = memory; 2333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_QRENEW_ARRAY( cmap->results, old_max, num_results ) ) 2335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = num_results; 2338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 2341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_init( TT_CMap14 cmap, 2346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table ) 2347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->cmap.data = table; 2349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project table += 6; 2351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->num_selectors = FT_PEEK_ULONG( table ); 2352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->max_results = 0; 2353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap->results = NULL; 2354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_validate( FT_Byte* table, 2361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Validator valid ) 2362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = table + 2; 2364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong length = TT_NEXT_ULONG( p ); 2365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong num_selectors = TT_NEXT_ULONG( p ); 2366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( table + length > valid->limit || length < 10 + 11 * num_selectors ) 2369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check selectors, they must be in increasing order */ 2372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we start lastVarSel at 1 because a variant selector value of 0 2374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project * isn't valid. 2375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project */ 2376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong n, lastVarSel = 1; 2377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2379049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( n = 0; n < num_selectors; n++ ) 2380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 2382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 2383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 2384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff >= length || nondefOff >= length ) 2387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( varSel < lastVarSel ) 2390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastVarSel = varSel + 1; 2393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check the default table (these glyphs should be reached */ 2395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* through the normal Unicode cmap, no GIDs, just check order) */ 2396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 ) 2397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* defp = table + defOff; 2399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numRanges = TT_NEXT_ULONG( defp ); 2400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong i; 2401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong lastBase = 0; 2402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2403049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defp + numRanges * 4 > valid->limit ) 2405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numRanges; ++i ) 2408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong base = TT_NEXT_UINT24( defp ); 2410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong cnt = FT_NEXT_BYTE( defp ); 2411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base + cnt >= 0x110000UL ) /* end of Unicode */ 2414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( base < lastBase ) 2417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastBase = base + cnt + 1U; 2420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and the non-default table (these glyphs are specified here) */ 2424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 ) { 2425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* ndp = table + nondefOff; 2426049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong numMappings = TT_NEXT_ULONG( ndp ); 2427049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong i, lastUni = 0; 2428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2429049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2430049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ndp + numMappings * 4 > valid->limit ) 2431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_TOO_SHORT; 2432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 2434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong uni = TT_NEXT_UINT24( ndp ); 2436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong gid = TT_NEXT_USHORT( ndp ); 2437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni >= 0x110000UL ) /* end of Unicode */ 2440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( uni < lastUni ) 2443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_DATA; 2444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project lastUni = uni + 1U; 2446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid->level >= FT_VALIDATE_TIGHT && 2448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gid >= TT_VALID_GLYPH_COUNT( valid ) ) 2449049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_INVALID_GLYPH_ID; 2450049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2454049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_index( TT_CMap cmap, 2461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( char_code ); 2465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_next( TT_CMap cmap, 2473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *pchar_code ) 2474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This can't happen */ 2478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pchar_code = 0; 2479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Error ) 2484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_info( TT_CMap cmap, 2485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 2486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UNUSED( cmap ); 2488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->format = 14; 2490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* subtable 14 does not define a language field */ 2491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap_info->language = 0xFFFFFFFFUL; 2492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 2494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( FT_Byte *base, 2499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges = TT_PEEK_ULONG( base ); 2502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numRanges; 2507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 4 * mid; 2515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong start = TT_NEXT_UINT24( p ); 2516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt = FT_NEXT_BYTE( p ); 2517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < start ) 2520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > start+cnt ) 2522049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2523049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TRUE; 2525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return FALSE; 2528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2531049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( FT_Byte *base, 2533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 char_code ) 2534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings = TT_PEEK_ULONG( base ); 2536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numMappings; 2541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 5 * mid; 2549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 uni = TT_NEXT_UINT24( p ); 2550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( char_code < uni ) 2553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( char_code > uni ) 2555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return TT_PEEK_USHORT( p ); 2558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Byte* 2565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_find_variant( FT_Byte *base, 2566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 variantCode ) 2567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numVar = TT_PEEK_ULONG( base ); 2569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 max, min; 2570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = 0; 2573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = numVar; 2574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base += 4; 2576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* binary search */ 2578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( min < max ) 2579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 mid = ( min + max ) >> 1; 2581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = base + 11 * mid; 2582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong varSel = TT_NEXT_UINT24( p ); 2583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2584049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( variantCode < varSel ) 2586049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max = mid; 2587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( variantCode > varSel ) 2588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project min = mid + 1; 2589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return p; 2591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt ) 2598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_var_index( TT_CMap cmap, 2599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap ucmap, 2600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong charcode, 2601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong variantSelector) 2602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 2604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 2605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 2606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 2609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2610049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 2612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_PEEK_ULONG( p ); 2613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2614049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 2615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 2616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2617049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This is the default variant of this charcode. GID not stored */ 2618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* here; stored in the normal Unicode charmap instead. */ 2619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ucmap->cmap.clazz->char_index( &ucmap->cmap, charcode ); 2620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 ) 2623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 2624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ); 2625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_Int ) 2631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_var_isdefault( TT_CMap cmap, 2632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong charcode, 2633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong variantSelector ) 2634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); 2636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 2637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 2638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 2641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 2642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 2644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 2645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff != 0 && 2647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, charcode ) ) 2648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 1; 2649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nondefOff != 0 && 2651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 2652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charcode ) != 0 ) 2653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return 0; 2654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return -1; 2656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32* ) 2660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variants( TT_CMap cmap, 2661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14)cmap; 2664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = cmap14->num_selectors; 2665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 2666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* result; 2667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 2668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 2671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = cmap14->results; 2674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < count; ++i ) 2675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result[i] = TT_NEXT_UINT24( p ); 2677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 8; 2678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result[i] = 0; 2680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 2682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 2686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_variants( TT_CMap cmap, 2687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 2688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong charCode ) 2689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count = cmap14->num_selectors; 2692049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = cmap->data + 10; 2693049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 2694049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2695049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2696049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( count + 1 ), memory ) ) 2697049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2698049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; count > 0; --count ) 2700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 varSel = TT_NEXT_UINT24( p ); 2702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff = TT_NEXT_ULONG( p ); 2703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff = TT_NEXT_ULONG( p ); 2704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ( defOff != 0 && 2707049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_def_binary( cmap->data + defOff, 2708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) ) || 2709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ( nondefOff != 0 && 2710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_char_map_nondef_binary( cmap->data + nondefOff, 2711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charCode ) != 0 ) ) 2712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = varSel; 2714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q++; 2715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 2718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 2720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt 2724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_def_char_count( FT_Byte *p ) 2725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges = TT_NEXT_ULONG( p ); 2727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt tot = 0; 2728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2729049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 3; /* point to the first 'cnt' field */ 2731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; numRanges > 0; numRanges-- ) 2732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tot += 1 + p[0]; 2734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 4; 2735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2737049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tot; 2738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt32* 2742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_def_chars( TT_CMap cmap, 2743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p, 2744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 2748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cnt; 2749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32* q; 2750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = tt_cmap14_def_char_count( p ); 2753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numRanges = TT_NEXT_ULONG( p ); 2754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( cnt + 1 ), memory ) ) 2756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( q = cmap14->results; numRanges > 0; --numRanges ) 2759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2760049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt uni = TT_NEXT_UINT24( p ); 2761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cnt = FT_NEXT_BYTE( p ) + 1; 2764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 2765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = uni; 2767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project uni += 1; 2768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q += 1; 2769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( --cnt != 0 ); 2770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project q[0] = 0; 2772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return cmap14->results; 2774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_UInt* 2778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_get_nondef_chars( TT_CMap cmap, 2779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p, 2780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 2781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 2784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 2785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *ret; 2786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numMappings = TT_NEXT_ULONG( p ); 2789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( numMappings + 1 ), memory ) ) 2791049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2793049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 2794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < numMappings; ++i ) 2795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = TT_NEXT_UINT24( p ); 2797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 2800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2801049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 2802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2804049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_DEF( FT_UInt32 * ) 2806049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_cmap14_variant_chars( TT_CMap cmap, 2807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory, 2808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong variantSelector ) 2809049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2810049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte *p = tt_cmap14_find_variant( cmap->data + 6, 2811049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project variantSelector ); 2812049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 *ret; 2813049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int i; 2814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong defOff; 2815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong nondefOff; 2816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !p ) 2819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project defOff = TT_NEXT_ULONG( p ); 2822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nondefOff = TT_NEXT_ULONG( p ); 2823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 && nondefOff == 0 ) 2825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( defOff == 0 ) 2828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 2829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2830049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( nondefOff == 0 ) 2831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 2832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Both a default and a non-default glyph set? That's probably not */ 2836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* good font design, but the spec allows for it... */ 2837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap14 cmap14 = (TT_CMap14) cmap; 2838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numRanges; 2839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 numMappings; 2840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 duni; 2841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 dcnt; 2842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 nuni; 2843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* dp; 2844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt di, ni, k; 2845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = cmap->data + nondefOff; 2848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dp = cmap->data + defOff; 2849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numMappings = TT_NEXT_ULONG( p ); 2851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = tt_cmap14_def_char_count( dp ); 2852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project numRanges = TT_NEXT_ULONG( dp ); 2853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( numMappings == 0 ) 2855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_def_chars( cmap, cmap->data + defOff, 2856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dcnt == 0 ) 2858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return tt_cmap14_get_nondef_chars( cmap, cmap->data + nondefOff, 2859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project memory ); 2860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( tt_cmap14_ensure( cmap14, ( dcnt + numMappings + 1 ), memory ) ) 2862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return NULL; 2863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret = cmap14->results; 2865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project duni = TT_NEXT_UINT24( dp ); 2866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 2867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project di = 1; 2868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nuni = TT_NEXT_UINT24( p ); 2869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2870049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ni = 1; 2871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project i = 0; 2872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ;; ) 2874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni > duni + dcnt ) 2876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 2878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 2879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 2881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( di > numRanges ) 2883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project duni = TT_NEXT_UINT24( dp ); 2886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 2887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 2889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( nuni < duni ) 2891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 2892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If it is within the default range then ignore it -- */ 2893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* that should not have happened */ 2894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 2895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni > numMappings ) 2896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 2897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nuni = TT_NEXT_UINT24( p ); 2899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ni <= numMappings ) 2904049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all default ranges. */ 2906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We have read one non-default mapping which we haven't stored */ 2907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and there may be others that need to be read. */ 2908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = nuni; 2909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( ni < numMappings ) 2910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = TT_NEXT_UINT24( p ); 2912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p += 2; 2913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++ni; 2914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else if ( di <= numRanges ) 2917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If we get here then we have run out of all non-default */ 2919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* mappings. We have read one default range which we haven't */ 2920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* stored and there may be others that need to be read. */ 2921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 2922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 2923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( di < numRanges ) 2925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project duni = TT_NEXT_UINT24( dp ); 2927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dcnt = FT_NEXT_BYTE( dp ); 2928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = 0; k <= dcnt; ++k ) 2930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i++] = duni + k; 2931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ++di; 2932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ret[i] = 0; 2936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2937049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return ret; 2938049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2939049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 2940049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2941049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2942049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CALLBACK_TABLE_DEF 2943049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_ClassRec tt_cmap14_class_rec = 2944049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sizeof ( TT_CMap14Rec ), 2947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_InitFunc) tt_cmap14_init, 2949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_DoneFunc) tt_cmap14_done, 2950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharIndexFunc)tt_cmap14_char_index, 2951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharNextFunc) tt_cmap14_char_next, 2952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2953049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Format 14 extension functions */ 2954049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index, 2955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault, 2956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_VariantListFunc) tt_cmap14_variants, 2957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants, 2958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars 2959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }, 2960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 14, 2961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_ValidateFunc)tt_cmap14_validate, 2962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (TT_CMap_Info_GetFunc)tt_cmap14_get_info 2963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 2964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* TT_CONFIG_CMAP_FORMAT_0 */ 2966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const TT_CMap_Class tt_cmap_classes[] = 2969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 2970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_0 2971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap0_class_rec, 2972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 2973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_2 2975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap2_class_rec, 2976049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 2977049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_4 2979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap4_class_rec, 2980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 2981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_6 2983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap6_class_rec, 2984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 2985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_8 2987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap8_class_rec, 2988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 2989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_10 2991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap10_class_rec, 2992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 2993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2994049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_12 2995049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap12_class_rec, 2996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 2997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 2998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#ifdef TT_CONFIG_CMAP_FORMAT_14 2999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &tt_cmap14_class_rec, 3000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif 3001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project NULL, 3003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 3004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse the `cmap' table and build the corresponding TT_CMap objects */ 3007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in the current face */ 3008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 3009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Error ) 3010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_face_build_cmaps( TT_Face face ) 3011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3012049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* table = face->cmap_table; 3013049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* limit = table + face->cmap_size; 3014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt volatile num_cmaps; 3015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile p = table; 3016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( p + 4 > limit ) 3019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Invalid_Table; 3020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* only recognize format 0 */ 3022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( TT_NEXT_USHORT( p ) != 0 ) 3023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p -= 2; 3025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "tt_face_build_cmaps: unsupported `cmap' table format = %d\n", 3026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_PEEK_USHORT( p ) )); 3027049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Invalid_Table; 3028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project num_cmaps = TT_NEXT_USHORT( p ); 3031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) 3033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CharMapRec charmap; 3035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt32 offset; 3036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.platform_id = TT_NEXT_USHORT( p ); 3039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding_id = TT_NEXT_USHORT( p ); 3040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.face = FT_FACE( face ); 3041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charmap.encoding = FT_ENCODING_NONE; /* will be filled later */ 3042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project offset = TT_NEXT_ULONG( p ); 3043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset && offset <= face->cmap_size - 2 ) 3045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* volatile cmap = table + offset; 3047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile FT_UInt format = TT_PEEK_USHORT( cmap ); 3048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project const TT_CMap_Class* volatile pclazz = tt_cmap_classes; 3049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class volatile clazz; 3050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; *pclazz; pclazz++ ) 3053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project clazz = *pclazz; 3055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( clazz->format == format ) 3056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile TT_ValidatorRec valid; 3058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project volatile FT_Error error = SFNT_Err_Ok; 3059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ft_validator_init( FT_VALIDATOR( &valid ), cmap, limit, 3062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_VALIDATE_DEFAULT ); 3063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project valid.num_glyphs = (FT_UInt)face->max_profile.numGlyphs; 3065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( ft_setjmp( 3067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *((ft_jmp_buf*)&FT_VALIDATOR( &valid )->jump_buffer) ) == 0 ) 3068049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* validate this cmap sub-table */ 3070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = clazz->validate( cmap, FT_VALIDATOR( &valid ) ); 3071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( valid.validator.error == 0 ) 3074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap ttcmap; 3076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3078049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* It might make sense to store the single variation selector */ 3079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* cmap somewhere special. But it would have to be in the */ 3080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* public FT_FaceRec, and we can't change that. */ 3081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_CMap_New( (FT_CMap_Class)clazz, 3083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cmap, &charmap, &ttcmap ) ) 3084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* it is simpler to directly set `flags' than adding */ 3086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a parameter to FT_CMap_New */ 3087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ((TT_CMap)ttcmap)->flags = (FT_Int)error; 3088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 3091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "tt_face_build_cmaps:" )); 3093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( " broken cmap sub-table ignored!\n" )); 3094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 3096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( *pclazz == NULL ) 3100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "tt_face_build_cmaps:" )); 3102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( " unsupported cmap sub-table ignored!\n" )); 3103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return SFNT_Err_Ok; 3108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL( FT_Error ) 3112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project tt_get_cmap_info( FT_CharMap charmap, 3113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMapInfo *cmap_info ) 3114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 3115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_CMap cmap = (FT_CMap)charmap; 3116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project TT_CMap_Class clazz = (TT_CMap_Class)cmap->clazz; 3117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return clazz->get_cmap_info( charmap, cmap_info ); 3120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 3121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 3123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* END */ 3124