icuSources/test/letest/sfnt.h

   1 /***************************************************************************
   2 *
   3 *   Copyright (C) 1998-2002, International Business Machines
   4 *   Corporation and others.  All Rights Reserved.
   5 *
   6 ************************************************************************/
   7
   8 #ifndef __SFNT_H
   9 #define __SFNT_H
  10
  11 #include "LETypes.h"
  12
  13
  14 #ifndef ANY_NUMBER
  15 #define ANY_NUMBER 1
  16 #endif
  17
  18 struct DirectoryEntry
  19 {
  20     le_uint32   tag;
  21     le_uint32   checksum;
  22     le_uint32   offset;
  23     le_uint32   length;
  24 };
  25
  26 struct SFNTDirectory
  27 {
  28     le_uint32       scalerType;
  29     le_uint16       numTables;
  30     le_uint16       searchRange;
  31     le_uint16       entrySelector;
  32     le_uint16       rangeShift;
  33     DirectoryEntry  tableDirectory[ANY_NUMBER];
  34 };
  35
  36
  37 struct CMAPEncodingSubtableHeader
  38 {
  39     le_uint16   platformID;
  40     le_uint16   platformSpecificID;
  41     le_uint32   encodingOffset;
  42 };
  43
  44 struct CMAPTable
  45 {
  46     le_uint16   version;
  47     le_uint16   numberSubtables;
  48     CMAPEncodingSubtableHeader encodingSubtableHeaders[ANY_NUMBER];
  49 };
  50
  51 struct CMAPEncodingSubtable
  52 {
  53     le_uint16   format;
  54     le_uint16   length;
  55     le_uint16   language;
  56 };
  57
  58 struct CMAPFormat0Encoding : CMAPEncodingSubtable
  59 {
  60     le_uint8    glyphIndexArray[256];
  61 };
  62
  63 struct CMAPFormat2Subheader
  64 {
  65     le_uint16   firstCode;
  66     le_uint16   entryCount;
  67     le_int16    idDelta;
  68     le_uint16   idRangeOffset;
  69 };
  70
  71 struct CMAPFormat2Encoding : CMAPEncodingSubtable
  72 {
  73     le_uint16  subHeadKeys[256];
  74     CMAPFormat2Subheader subheaders[ANY_NUMBER];
  75 };
  76
  77 struct CMAPFormat4Encoding : CMAPEncodingSubtable
  78 {
  79     le_uint16   segCountX2;
  80     le_uint16   searchRange;
  81     le_uint16   entrySelector;
  82     le_uint16   rangeShift;
  83     le_uint16   endCodes[ANY_NUMBER];
  84 //  le_uint16   reservedPad;
  85 //  le_uint16   startCodes[ANY_NUMBER];
  86 //  le_uint16   idDelta[ANY_NUMBER];
  87 //  le_uint16   idRangeOffset[ANY_NUMBER];
  88 //  le_uint16   glyphIndexArray[ANY_NUMBER];
  89 };
  90
  91 struct CMAPFormat6Encoding : CMAPEncodingSubtable
  92 {
  93     le_uint16   firstCode;
  94     le_uint16   entryCount;
  95     le_uint16   glyphIndexArray[ANY_NUMBER];
  96 };
  97
  98 struct CMAPEncodingSubtable32
  99 {
 100     le_uint32   format;
 101     le_uint32   length;
 102     le_uint32   language;
 103 };
 104
 105 struct CMAPGroup
 106 {
 107     le_uint32   startCharCode;
 108     le_uint32   endCharCode;
 109     le_uint32   startGlyphCode;
 110 };
 111
 112 struct CMAPFormat8Encoding : CMAPEncodingSubtable32
 113 {
 114     le_uint32   is32[65536/32];
 115     le_uint32   nGroups;
 116     CMAPGroup   groups[ANY_NUMBER];
 117 };
 118
 119 struct CMAPFormat10Encoding : CMAPEncodingSubtable32
 120 {
 121     le_uint32   startCharCode;
 122     le_uint32   numCharCodes;
 123     le_uint16   glyphs[ANY_NUMBER];
 124 };
 125
 126 struct CMAPFormat12Encoding : CMAPEncodingSubtable32
 127 {
 128     le_uint32   nGroups;
 129     CMAPGroup   groups[ANY_NUMBER];
 130 };
 131
 132 typedef le_int32 fixed;
 133
 134 struct BigDate
 135 {
 136     le_uint32   bc;
 137     le_uint32   ad;
 138 };
 139
 140 struct HEADTable
 141 {
 142     fixed       version;
 143     fixed       fontRevision;
 144     le_uint32   checksumAdjustment;
 145     le_uint32   magicNumber;
 146     le_uint16   flags;
 147     le_uint16   unitsPerEm;
 148     BigDate     created;
 149     BigDate     modified;
 150     le_int16    xMin;
 151     le_int16    yMin;
 152     le_int16    xMax;
 153     le_int16    yMax;
 154     le_int16    lowestRecPPEM;
 155     le_int16    fontDirectionHint;
 156     le_int16    indexToLocFormat;
 157     le_int16    glyphDataFormat;
 158 };
 159
 160 struct MAXPTable
 161 {
 162     fixed       version;
 163     le_uint16   numGlyphs;
 164     le_uint16   maxPoints;
 165     le_uint16   maxContours;
 166     le_uint16   maxComponentPoints;
 167     le_uint16   maxComponentContours;
 168     le_uint16   maxZones;
 169     le_uint16   maxTwilightPoints;
 170     le_uint16   maxStorage;
 171     le_uint16   maxFunctionDefs;
 172     le_uint16   maxInstructionDefs;
 173     le_uint16   maxStackElements;
 174     le_uint16   maxSizeOfInstructions;
 175     le_uint16   maxComponentElements;
 176     le_uint16   maxComponentDepth;
 177 };
 178
 179 struct HHEATable
 180 {
 181     fixed       version;
 182     le_int16    ascent;
 183     le_int16    descent;
 184     le_int16    lineGap;
 185     le_uint16   advanceWidthMax;
 186     le_int16    minLeftSideBearing;
 187     le_int16    minRightSideBearing;
 188     le_int16    xMaxExtent;
 189     le_int16    caretSlopeRise;
 190     le_int16    caretSlopeRun;
 191     le_int16    caretOffset;
 192     le_int16    reserved1;
 193     le_int16    reserved2;
 194     le_int16    reserved3;
 195     le_int16    reserved4;
 196     le_int16    metricDataFormat;
 197     le_uint16   numOfLongHorMetrics;
 198 };
 199
 200 struct LongHorMetric
 201 {
 202     le_uint16   advanceWidth;
 203     le_int16    leftSideBearing;
 204 };
 205
 206 struct HMTXTable
 207 {
 208     LongHorMetric hMetrics[ANY_NUMBER];        // ANY_NUMBER = numOfLongHorMetrics from hhea table
 209 //  le_int16        leftSideBearing[ANY_NUMBER]; // ANY_NUMBER = numGlyphs - numOfLongHorMetrics
 210 };
 211
 212 #endif
 213