1ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/***************************************************************************/ 2ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* */ 3ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* tttables.h */ 4ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* */ 5ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* Basic SFNT/TrueType tables definitions and interface */ 6ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* (specification only). */ 7ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* */ 8ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* Copyright 1996-2005, 2008-2012 by */ 9ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 10ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* */ 11ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* This file is part of the FreeType project, and may only be used, */ 12ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* modified, and distributed under the terms of the FreeType project */ 13ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 14ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* this file you indicate that you have read the license and */ 15ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* understand and accept it fully. */ 16ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* */ 17ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/***************************************************************************/ 18ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 19ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 20ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#ifndef __TTTABLES_H__ 21ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#define __TTTABLES_H__ 22ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 23ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 24ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#include "../ft2build.h" 25ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#include "freetype.h" 26ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 27ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#ifdef FREETYPE_H 28ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#error "freetype.h of FreeType 1 has been loaded!" 29ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#error "Please fix the directory search order for header files" 30ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#error "so that freetype.h of FreeType 2 is found first." 31ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#endif 32ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 33ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 34ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovFT_BEGIN_HEADER 35ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 36ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 37ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 38ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Section> */ 39ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* truetype_tables */ 40ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 41ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Title> */ 42ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TrueType Tables */ 43ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 44ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Abstract> */ 45ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TrueType specific table types and functions. */ 46ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 47ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 48ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This section contains the definition of TrueType-specific tables */ 49ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* as well as some routines used to access and process them. */ 50ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 51ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 52ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 53ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 54ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 55ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 56ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Struct> */ 57ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_Header */ 58ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 59ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 60ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* A structure used to model a TrueType font header table. All */ 61ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* fields follow the TrueType specification. */ 62ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 63ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef struct TT_Header_ 64ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 65ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed Table_Version; 66ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed Font_Revision; 67ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 68ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Long CheckSum_Adjust; 69ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Long Magic_Number; 70ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 71ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort Flags; 72ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort Units_Per_EM; 73ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 74ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Long Created [2]; 75ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Long Modified[2]; 76ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 77ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short xMin; 78ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short yMin; 79ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short xMax; 80ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short yMax; 81ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 82ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort Mac_Style; 83ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort Lowest_Rec_PPEM; 84ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 85ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Font_Direction; 86ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Index_To_Loc_Format; 87ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Glyph_Data_Format; 88ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 89ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } TT_Header; 90ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 91ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 92ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 93ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 94ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Struct> */ 95ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_HoriHeader */ 96ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 97ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 98ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* A structure used to model a TrueType horizontal header, the `hhea' */ 99ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* table, as well as the corresponding horizontal metrics table, */ 100ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* i.e., the `hmtx' table. */ 101ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 102ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Fields> */ 103ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Version :: The table version. */ 104ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 105ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Ascender :: The font's ascender, i.e., the distance */ 106ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* from the baseline to the top-most of all */ 107ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyph points found in the font. */ 108ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 109ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This value is invalid in many fonts, as */ 110ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* it is usually set by the font designer, */ 111ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* and often reflects only a portion of the */ 112ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyphs found in the font (maybe ASCII). */ 113ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 114ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* You should use the `sTypoAscender' field */ 115ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* of the OS/2 table instead if you want */ 116ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* the correct one. */ 117ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 118ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Descender :: The font's descender, i.e., the distance */ 119ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* from the baseline to the bottom-most of */ 120ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* all glyph points found in the font. It */ 121ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* is negative. */ 122ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 123ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This value is invalid in many fonts, as */ 124ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* it is usually set by the font designer, */ 125ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* and often reflects only a portion of the */ 126ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyphs found in the font (maybe ASCII). */ 127ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 128ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* You should use the `sTypoDescender' */ 129ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* field of the OS/2 table instead if you */ 130ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* want the correct one. */ 131ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 132ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Line_Gap :: The font's line gap, i.e., the distance */ 133ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* to add to the ascender and descender to */ 134ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* get the BTB, i.e., the */ 135ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* baseline-to-baseline distance for the */ 136ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* font. */ 137ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 138ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* advance_Width_Max :: This field is the maximum of all advance */ 139ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* widths found in the font. It can be */ 140ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* used to compute the maximum width of an */ 141ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* arbitrary string of text. */ 142ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 143ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* min_Left_Side_Bearing :: The minimum left side bearing of all */ 144ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyphs within the font. */ 145ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 146ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* min_Right_Side_Bearing :: The minimum right side bearing of all */ 147ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyphs within the font. */ 148ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 149ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* xMax_Extent :: The maximum horizontal extent (i.e., the */ 150ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* `width' of a glyph's bounding box) for */ 151ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* all glyphs in the font. */ 152ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 153ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* caret_Slope_Rise :: The rise coefficient of the cursor's */ 154ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* slope of the cursor (slope=rise/run). */ 155ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 156ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* caret_Slope_Run :: The run coefficient of the cursor's */ 157ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* slope. */ 158ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 159ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Reserved :: 8~reserved bytes. */ 160ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 161ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* metric_Data_Format :: Always~0. */ 162ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 163ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* number_Of_HMetrics :: Number of HMetrics entries in the `hmtx' */ 164ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* table -- this value can be smaller than */ 165ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* the total number of glyphs in the font. */ 166ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 167ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* long_metrics :: A pointer into the `hmtx' table. */ 168ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 169ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* short_metrics :: A pointer into the `hmtx' table. */ 170ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 171ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Note> */ 172ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should */ 173ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* be identical except for the names of their fields which */ 174ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* are different. */ 175ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 176ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This ensures that a single function in the `ttload' */ 177ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* module is able to read both the horizontal and vertical */ 178ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* headers. */ 179ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 180ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef struct TT_HoriHeader_ 181ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 182ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed Version; 183ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Ascender; 184ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Descender; 185ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Line_Gap; 186ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 187ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort advance_Width_Max; /* advance width maximum */ 188ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 189ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short min_Left_Side_Bearing; /* minimum left-sb */ 190ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short min_Right_Side_Bearing; /* minimum right-sb */ 191ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short xMax_Extent; /* xmax extents */ 192ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short caret_Slope_Rise; 193ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short caret_Slope_Run; 194ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short caret_Offset; 195ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 196ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Reserved[4]; 197ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 198ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short metric_Data_Format; 199ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort number_Of_HMetrics; 200ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 201ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The following fields are not defined by the TrueType specification */ 202ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* but they are used to connect the metrics header to the relevant */ 203ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* `HMTX' table. */ 204ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 205ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov void* long_metrics; 206ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov void* short_metrics; 207ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 208ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } TT_HoriHeader; 209ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 210ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 211ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 212ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 213ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Struct> */ 214ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_VertHeader */ 215ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 216ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 217ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* A structure used to model a TrueType vertical header, the `vhea' */ 218ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* table, as well as the corresponding vertical metrics table, i.e., */ 219ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* the `vmtx' table. */ 220ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 221ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Fields> */ 222ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Version :: The table version. */ 223ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 224ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Ascender :: The font's ascender, i.e., the distance */ 225ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* from the baseline to the top-most of */ 226ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* all glyph points found in the font. */ 227ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 228ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This value is invalid in many fonts, as */ 229ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* it is usually set by the font designer, */ 230ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* and often reflects only a portion of */ 231ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* the glyphs found in the font (maybe */ 232ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* ASCII). */ 233ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 234ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* You should use the `sTypoAscender' */ 235ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* field of the OS/2 table instead if you */ 236ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* want the correct one. */ 237ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 238ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Descender :: The font's descender, i.e., the */ 239ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* distance from the baseline to the */ 240ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* bottom-most of all glyph points found */ 241ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* in the font. It is negative. */ 242ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 243ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This value is invalid in many fonts, as */ 244ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* it is usually set by the font designer, */ 245ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* and often reflects only a portion of */ 246ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* the glyphs found in the font (maybe */ 247ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* ASCII). */ 248ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 249ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* You should use the `sTypoDescender' */ 250ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* field of the OS/2 table instead if you */ 251ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* want the correct one. */ 252ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 253ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Line_Gap :: The font's line gap, i.e., the distance */ 254ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* to add to the ascender and descender to */ 255ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* get the BTB, i.e., the */ 256ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* baseline-to-baseline distance for the */ 257ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* font. */ 258ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 259ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* advance_Height_Max :: This field is the maximum of all */ 260ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* advance heights found in the font. It */ 261ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* can be used to compute the maximum */ 262ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* height of an arbitrary string of text. */ 263ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 264ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* min_Top_Side_Bearing :: The minimum top side bearing of all */ 265ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyphs within the font. */ 266ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 267ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* min_Bottom_Side_Bearing :: The minimum bottom side bearing of all */ 268ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyphs within the font. */ 269ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 270ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* yMax_Extent :: The maximum vertical extent (i.e., the */ 271ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* `height' of a glyph's bounding box) for */ 272ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* all glyphs in the font. */ 273ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 274ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* caret_Slope_Rise :: The rise coefficient of the cursor's */ 275ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* slope of the cursor (slope=rise/run). */ 276ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 277ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* caret_Slope_Run :: The run coefficient of the cursor's */ 278ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* slope. */ 279ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 280ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* caret_Offset :: The cursor's offset for slanted fonts. */ 281ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This value is `reserved' in vmtx */ 282ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* version 1.0. */ 283ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 284ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Reserved :: 8~reserved bytes. */ 285ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 286ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* metric_Data_Format :: Always~0. */ 287ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 288ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* number_Of_HMetrics :: Number of VMetrics entries in the */ 289ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* `vmtx' table -- this value can be */ 290ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* smaller than the total number of glyphs */ 291ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* in the font. */ 292ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 293ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* long_metrics :: A pointer into the `vmtx' table. */ 294ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 295ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* short_metrics :: A pointer into the `vmtx' table. */ 296ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 297ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Note> */ 298ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should */ 299ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* be identical except for the names of their fields which */ 300ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* are different. */ 301ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 302ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This ensures that a single function in the `ttload' */ 303ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* module is able to read both the horizontal and vertical */ 304ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* headers. */ 305ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 306ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef struct TT_VertHeader_ 307ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 308ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed Version; 309ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Ascender; 310ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Descender; 311ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Line_Gap; 312ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 313ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort advance_Height_Max; /* advance height maximum */ 314ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 315ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short min_Top_Side_Bearing; /* minimum left-sb or top-sb */ 316ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short min_Bottom_Side_Bearing; /* minimum right-sb or bottom-sb */ 317ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short yMax_Extent; /* xmax or ymax extents */ 318ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short caret_Slope_Rise; 319ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short caret_Slope_Run; 320ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short caret_Offset; 321ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 322ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short Reserved[4]; 323ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 324ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short metric_Data_Format; 325ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort number_Of_VMetrics; 326ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 327ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The following fields are not defined by the TrueType specification */ 328ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* but they're used to connect the metrics header to the relevant */ 329ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* `HMTX' or `VMTX' table. */ 330ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 331ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov void* long_metrics; 332ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov void* short_metrics; 333ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 334ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } TT_VertHeader; 335ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 336ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 337ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 338ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 339ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Struct> */ 340ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_OS2 */ 341ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 342ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 343ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* A structure used to model a TrueType OS/2 table. This is the long */ 344ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* table version. All fields comply to the TrueType specification. */ 345ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 346ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Note that we now support old Mac fonts which do not include an */ 347ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* OS/2 table. In this case, the `version' field is always set to */ 348ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* 0xFFFF. */ 349ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 350ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef struct TT_OS2_ 351ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 352ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort version; /* 0x0001 - more or 0xFFFF */ 353ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short xAvgCharWidth; 354ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usWeightClass; 355ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usWidthClass; 356ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short fsType; 357ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySubscriptXSize; 358ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySubscriptYSize; 359ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySubscriptXOffset; 360ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySubscriptYOffset; 361ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySuperscriptXSize; 362ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySuperscriptYSize; 363ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySuperscriptXOffset; 364ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short ySuperscriptYOffset; 365ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short yStrikeoutSize; 366ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short yStrikeoutPosition; 367ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short sFamilyClass; 368ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 369ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Byte panose[10]; 370ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 371ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong ulUnicodeRange1; /* Bits 0-31 */ 372ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong ulUnicodeRange2; /* Bits 32-63 */ 373ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong ulUnicodeRange3; /* Bits 64-95 */ 374ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong ulUnicodeRange4; /* Bits 96-127 */ 375ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 376ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Char achVendID[4]; 377ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 378ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort fsSelection; 379ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usFirstCharIndex; 380ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usLastCharIndex; 381ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short sTypoAscender; 382ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short sTypoDescender; 383ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short sTypoLineGap; 384ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usWinAscent; 385ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usWinDescent; 386ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 387ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* only version 1 tables: */ 388ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 389ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong ulCodePageRange1; /* Bits 0-31 */ 390ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong ulCodePageRange2; /* Bits 32-63 */ 391ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 392ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* only version 2 tables: */ 393ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 394ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short sxHeight; 395ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short sCapHeight; 396ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usDefaultChar; 397ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usBreakChar; 398ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort usMaxContext; 399ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 400ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } TT_OS2; 401ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 402ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 403ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 404ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 405ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Struct> */ 406ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_Postscript */ 407ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 408ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 409ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* A structure used to model a TrueType PostScript table. All fields */ 410ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* comply to the TrueType specification. This structure does not */ 411ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* reference the PostScript glyph names, which can be nevertheless */ 412ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* accessed with the `ttpost' module. */ 413ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 414ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef struct TT_Postscript_ 415ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 416ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed FormatType; 417ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed italicAngle; 418ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short underlinePosition; 419ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Short underlineThickness; 420ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong isFixedPitch; 421ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong minMemType42; 422ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong maxMemType42; 423ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong minMemType1; 424ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong maxMemType1; 425ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 426ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Glyph names follow in the file, but we don't */ 427ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* load them by default. See the ttpost.c file. */ 428ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 429ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } TT_Postscript; 430ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 431ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 432ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 433ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 434ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Struct> */ 435ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_PCLT */ 436ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 437ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 438ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* A structure used to model a TrueType PCLT table. All fields */ 439ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* comply to the TrueType specification. */ 440ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 441ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef struct TT_PCLT_ 442ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 443ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed Version; 444ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong FontNumber; 445ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort Pitch; 446ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort xHeight; 447ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort Style; 448ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort TypeFamily; 449ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort CapHeight; 450ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort SymbolSet; 451ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Char TypeFace[16]; 452ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Char CharacterComplement[8]; 453ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Char FileName[6]; 454ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Char StrokeWeight; 455ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Char WidthType; 456ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Byte SerifStyle; 457ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Byte Reserved; 458ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 459ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } TT_PCLT; 460ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 461ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 462ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 463ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 464ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Struct> */ 465ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_MaxProfile */ 466ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 467ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 468ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The maximum profile is a table containing many max values which */ 469ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* can be used to pre-allocate arrays. This ensures that no memory */ 470ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* allocation occurs during a glyph load. */ 471ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 472ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Fields> */ 473ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* version :: The version number. */ 474ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 475ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* numGlyphs :: The number of glyphs in this TrueType */ 476ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* font. */ 477ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 478ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxPoints :: The maximum number of points in a */ 479ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* non-composite TrueType glyph. See also */ 480ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* the structure element */ 481ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* `maxCompositePoints'. */ 482ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 483ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxContours :: The maximum number of contours in a */ 484ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* non-composite TrueType glyph. See also */ 485ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* the structure element */ 486ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* `maxCompositeContours'. */ 487ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 488ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxCompositePoints :: The maximum number of points in a */ 489ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* composite TrueType glyph. See also the */ 490ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* structure element `maxPoints'. */ 491ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 492ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxCompositeContours :: The maximum number of contours in a */ 493ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* composite TrueType glyph. See also the */ 494ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* structure element `maxContours'. */ 495ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 496ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxZones :: The maximum number of zones used for */ 497ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyph hinting. */ 498ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 499ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxTwilightPoints :: The maximum number of points in the */ 500ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* twilight zone used for glyph hinting. */ 501ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 502ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxStorage :: The maximum number of elements in the */ 503ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* storage area used for glyph hinting. */ 504ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 505ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxFunctionDefs :: The maximum number of function */ 506ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* definitions in the TrueType bytecode for */ 507ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* this font. */ 508ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 509ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxInstructionDefs :: The maximum number of instruction */ 510ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* definitions in the TrueType bytecode for */ 511ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* this font. */ 512ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 513ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxStackElements :: The maximum number of stack elements used */ 514ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* during bytecode interpretation. */ 515ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 516ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxSizeOfInstructions :: The maximum number of TrueType opcodes */ 517ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* used for glyph hinting. */ 518ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 519ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxComponentElements :: The maximum number of simple (i.e., non- */ 520ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* composite) glyphs in a composite glyph. */ 521ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 522ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* maxComponentDepth :: The maximum nesting depth of composite */ 523ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* glyphs. */ 524ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 525ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Note> */ 526ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This structure is only used during font loading. */ 527ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 528ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef struct TT_MaxProfile_ 529ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 530ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Fixed version; 531ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort numGlyphs; 532ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxPoints; 533ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxContours; 534ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxCompositePoints; 535ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxCompositeContours; 536ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxZones; 537ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxTwilightPoints; 538ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxStorage; 539ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxFunctionDefs; 540ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxInstructionDefs; 541ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxStackElements; 542ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxSizeOfInstructions; 543ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxComponentElements; 544ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UShort maxComponentDepth; 545ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 546ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } TT_MaxProfile; 547ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 548ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 549ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 550ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 551ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Enum> */ 552ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* FT_Sfnt_Tag */ 553ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 554ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 555ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* An enumeration used to specify the index of an SFNT table. */ 556ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Used in the @FT_Get_Sfnt_Table API function. */ 557ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 558ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov typedef enum FT_Sfnt_Tag_ 559ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov { 560ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov ft_sfnt_head = 0, /* TT_Header */ 561ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov ft_sfnt_maxp = 1, /* TT_MaxProfile */ 562ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov ft_sfnt_os2 = 2, /* TT_OS2 */ 563ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov ft_sfnt_hhea = 3, /* TT_HoriHeader */ 564ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov ft_sfnt_vhea = 4, /* TT_VertHeader */ 565ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov ft_sfnt_post = 5, /* TT_Postscript */ 566ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov ft_sfnt_pclt = 6, /* TT_PCLT */ 567ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 568ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov sfnt_max /* internal end mark */ 569ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 570ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov } FT_Sfnt_Tag; 571ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 572ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 573ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 574ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 575ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 576ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 577ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Function> */ 578ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* FT_Get_Sfnt_Table */ 579ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 580ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 581ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Return a pointer to a given SFNT table within a face. */ 582ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 583ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Input> */ 584ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* face :: A handle to the source. */ 585ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 586ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* tag :: The index of the SFNT table. */ 587ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 588ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Return> */ 589ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* A type-less pointer to the table. This will be~0 in case of */ 590ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* error, or if the corresponding table was not found *OR* loaded */ 591ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* from the file. */ 592ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 593ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Use a typecast according to `tag' to access the structure */ 594ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* elements. */ 595ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 596ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Note> */ 597ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The table is owned by the face object and disappears with it. */ 598ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 599ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* This function is only useful to access SFNT tables that are loaded */ 600ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* by the sfnt, truetype, and opentype drivers. See @FT_Sfnt_Tag for */ 601ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* a list. */ 602ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 603ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Here an example how to access the `vhea' table: */ 604ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 605ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* { */ 606ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TT_VertHeader* vert_header; */ 607ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 608ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 609ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* vert_header = */ 610ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* (TT_VertHeader*)FT_Get_Sfnt_Table( face, ft_sfnt_vhea ); */ 611ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* } */ 612ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 613ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_EXPORT( void* ) 614ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Get_Sfnt_Table( FT_Face face, 615ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Sfnt_Tag tag ); 616ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 617ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 618ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /************************************************************************** 619ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 620ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @function: 621ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * FT_Load_Sfnt_Table 622ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 623ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @description: 624ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Load any font table into client memory. 625ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 626ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @input: 627ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * face :: 628ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * A handle to the source face. 629ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 630ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * tag :: 631ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * The four-byte tag of the table to load. Use the value~0 if you want 632ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * to access the whole font file. Otherwise, you can use one of the 633ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * definitions found in the @FT_TRUETYPE_TAGS_H file, or forge a new 634ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * one with @FT_MAKE_TAG. 635ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 636ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * offset :: 637ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * The starting offset in the table (or file if tag == 0). 638ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 639ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @output: 640ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * buffer :: 641ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * The target buffer address. The client must ensure that the memory 642ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * array is big enough to hold the data. 643ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 644ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @inout: 645ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * length :: 646ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * If the `length' parameter is NULL, then try to load the whole table. 647ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Return an error code if it fails. 648ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 649ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Else, if `*length' is~0, exit immediately while returning the 650ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * table's (or file) full size in it. 651ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 652ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Else the number of bytes to read from the table or file, from the 653ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * starting offset. 654ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 655ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @return: 656ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * FreeType error code. 0~means success. 657ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 658ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @note: 659ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * If you need to determine the table's length you should first call this 660ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * function with `*length' set to~0, as in the following example: 661ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 662ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * { 663ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * FT_ULong length = 0; 664ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 665ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 666ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * error = FT_Load_Sfnt_Table( face, tag, 0, NULL, &length ); 667ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * if ( error ) { ... table does not exist ... } 668ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 669ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * buffer = malloc( length ); 670ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * if ( buffer == NULL ) { ... not enough memory ... } 671ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 672ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * error = FT_Load_Sfnt_Table( face, tag, 0, buffer, &length ); 673ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * if ( error ) { ... could not load table ... } 674ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * } 675ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov */ 676ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_EXPORT( FT_Error ) 677ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Load_Sfnt_Table( FT_Face face, 678ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong tag, 679ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Long offset, 680ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Byte* buffer, 681ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong* length ); 682ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 683ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 684ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /************************************************************************** 685ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 686ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @function: 687ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * FT_Sfnt_Table_Info 688ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 689ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @description: 690ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * Return information on an SFNT table. 691ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 692ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @input: 693ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * face :: 694ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * A handle to the source face. 695ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 696ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * table_index :: 697ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * The index of an SFNT table. The function returns 698ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * FT_Err_Table_Missing for an invalid value. 699ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 700ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @inout: 701ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * tag :: 702ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * The name tag of the SFNT table. If the value is NULL, `table_index' 703ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * is ignored, and `length' returns the number of SFNT tables in the 704ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * font. 705ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 706ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @output: 707ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * length :: 708ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * The length of the SFNT table (or the number of SFNT tables, depending 709ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * on `tag'). 710ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 711ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @return: 712ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * FreeType error code. 0~means success. 713ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 714ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * @note: 715ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * While parsing fonts, FreeType handles SFNT tables with length zero as 716ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * missing. 717ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov * 718ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov */ 719ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_EXPORT( FT_Error ) 720ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Sfnt_Table_Info( FT_Face face, 721ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_UInt table_index, 722ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong *tag, 723ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_ULong *length ); 724ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 725ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 726ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 727ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 728ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Function> */ 729ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* FT_Get_CMap_Language_ID */ 730ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 731ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 732ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Return TrueType/sfnt specific cmap language ID. Definitions of */ 733ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* language ID values are in `freetype/ttnameid.h'. */ 734ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 735ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Input> */ 736ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* charmap :: */ 737ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The target charmap. */ 738ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 739ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Return> */ 740ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The language ID of `charmap'. If `charmap' doesn't belong to a */ 741ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TrueType/sfnt face, just return~0 as the default value. */ 742ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 743ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* For a format~14 cmap (to access Unicode IVS), the return value is */ 744ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* 0xFFFFFFFF. */ 745ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 746ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_EXPORT( FT_ULong ) 747ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Get_CMap_Language_ID( FT_CharMap charmap ); 748ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 749ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 750ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /*************************************************************************/ 751ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 752ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Function> */ 753ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* FT_Get_CMap_Format */ 754ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 755ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Description> */ 756ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* Return TrueType/sfnt specific cmap format. */ 757ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 758ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Input> */ 759ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* charmap :: */ 760ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The target charmap. */ 761ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 762ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* <Return> */ 763ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* The format of `charmap'. If `charmap' doesn't belong to a */ 764ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* TrueType/sfnt face, return -1. */ 765ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 766ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_EXPORT( FT_Long ) 767ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov FT_Get_CMap_Format( FT_CharMap charmap ); 768ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 769ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov /* */ 770ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 771ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 772ee451cb395940862dad63c85adfe8f2fd55e864cSvet GanovFT_END_HEADER 773ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 774ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov#endif /* __TTTABLES_H__ */ 775ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 776ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov 777ee451cb395940862dad63c85adfe8f2fd55e864cSvet Ganov/* END */ 778