[3019] | 1 | /* |
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| 2 | * see COPYRIGHT |
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| 3 | */ |
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| 4 | |
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| 5 | /* these definitions are mostly taken from Microsoft's True Type |
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| 6 | documentation. |
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| 7 | */ |
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| 8 | |
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| 9 | #define BYTE unsigned char |
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| 10 | #define CHAR signed char |
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| 11 | #define USHORT unsigned short |
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| 12 | #define SHORT signed short |
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| 13 | #define ULONG unsigned int |
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| 14 | #define LONG signed int |
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| 15 | #define FWORD SHORT |
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| 16 | #define UFWORD USHORT |
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| 17 | |
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| 18 | #define ONOROFF 0x01 |
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| 19 | #define XSHORT 0x02 |
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| 20 | #define YSHORT 0x04 |
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| 21 | #define REPEAT 0x08 |
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| 22 | #define XSAME 0x10 |
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| 23 | #define YSAME 0x20 |
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| 24 | |
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| 25 | #define ARG_1_AND_2_ARE_WORDS 0x0001 |
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| 26 | #define ARGS_ARE_XY_VALUES 0x0002 |
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| 27 | #define XY_BOUND_TO_GRID 0x0004 |
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| 28 | #define WE_HAVE_A_SCALE 0x0008 |
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| 29 | #define MORE_COMPONENTS 0x0020 |
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| 30 | #define WE_HAVE_AN_X_AND_Y_SCALE 0x0040 |
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| 31 | #define WE_HAVE_A_TWO_BY_TWO 0x0080 |
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| 32 | #define WE_HAVE_INSTRUCTIONS 0x0100 |
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| 33 | #define USE_MY_METRICS 0x0200 |
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| 34 | |
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| 35 | typedef struct short_2 { |
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| 36 | SHORT upper; |
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| 37 | USHORT lower; |
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| 38 | } FIXED ; |
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| 39 | |
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| 40 | typedef struct longhormetric { |
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| 41 | UFWORD advanceWidth; |
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| 42 | FWORD lsb; |
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| 43 | } LONGHORMETRIC; |
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| 44 | |
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| 45 | typedef struct ttf_hhea { |
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| 46 | BYTE version[4]; |
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| 47 | SHORT ascender, descender, lineGap; |
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| 48 | USHORT advnaceWidthMax; |
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| 49 | SHORT minLSB, minRSB, xMaxExtent; |
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| 50 | SHORT caretSlopeRise, caretSlopeRun; |
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| 51 | SHORT reserved[5]; |
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| 52 | SHORT metricDataFormat; |
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| 53 | USHORT numberOfHMetrics; |
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| 54 | } TTF_HHEA; |
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| 55 | |
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| 56 | typedef struct ttf_dir_entry { |
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| 57 | char tag[4]; |
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| 58 | ULONG checksum; |
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| 59 | ULONG offset; |
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| 60 | ULONG length; |
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| 61 | } TTF_DIR_ENTRY ; |
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| 62 | |
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| 63 | typedef struct ttf_directory { |
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| 64 | ULONG sfntVersion; |
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| 65 | USHORT numTables; |
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| 66 | USHORT searchRange; |
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| 67 | USHORT entrySelector; |
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| 68 | USHORT rangeShift; |
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| 69 | TTF_DIR_ENTRY list; |
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| 70 | } TTF_DIRECTORY ; |
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| 71 | |
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| 72 | typedef struct ttf_name_rec { |
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| 73 | USHORT platformID; |
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| 74 | USHORT encodingID; |
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| 75 | USHORT languageID; |
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| 76 | USHORT nameID; |
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| 77 | USHORT stringLength; |
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| 78 | USHORT stringOffset; |
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| 79 | } TTF_NAME_REC; |
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| 80 | |
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| 81 | typedef struct ttf_name { |
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| 82 | USHORT format; |
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| 83 | USHORT numberOfNameRecords; |
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| 84 | USHORT offset; |
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| 85 | TTF_NAME_REC nameRecords; |
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| 86 | } TTF_NAME ; |
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| 87 | |
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| 88 | typedef struct ttf_head { |
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| 89 | ULONG version; |
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| 90 | ULONG fontRevision; |
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| 91 | ULONG checksumAdjust; |
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| 92 | ULONG magicNo; |
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| 93 | USHORT flags; |
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| 94 | USHORT unitsPerEm; |
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| 95 | BYTE created[8]; |
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| 96 | BYTE modified[8]; |
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| 97 | FWORD xMin, yMin, xMax, yMax; |
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| 98 | USHORT macStyle, lowestRecPPEM; |
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| 99 | SHORT fontDirection, indexToLocFormat, glyphDataFormat; |
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| 100 | } TTF_HEAD ; |
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| 101 | |
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| 102 | typedef struct ttf_kern { |
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| 103 | USHORT version, nTables; |
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| 104 | } TTF_KERN ; |
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| 105 | |
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| 106 | typedef struct ttf_kern_sub { |
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| 107 | USHORT version, length, coverage; |
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| 108 | USHORT nPairs, searchRange, entrySelector, rangeShift; |
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| 109 | } TTF_KERN_SUB; |
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| 110 | |
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| 111 | typedef struct ttf_kern_entry { |
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| 112 | USHORT left, right; |
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| 113 | FWORD value; |
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| 114 | } TTF_KERN_ENTRY; |
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| 115 | |
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| 116 | typedef struct ttf_cmap_fmt0 { |
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| 117 | USHORT format; |
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| 118 | USHORT length; |
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| 119 | USHORT version; |
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| 120 | BYTE glyphIdArray[256]; |
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| 121 | } TTF_CMAP_FMT0; |
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| 122 | |
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| 123 | typedef struct ttf_cmap_fmt4 { |
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| 124 | USHORT format; |
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| 125 | USHORT length; |
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| 126 | USHORT version; |
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| 127 | USHORT segCountX2; |
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| 128 | USHORT searchRange; |
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| 129 | USHORT entrySelector; |
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| 130 | USHORT rangeShift; |
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| 131 | } TTF_CMAP_FMT4; |
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| 132 | |
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| 133 | typedef struct ttf_cmap_entry { |
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| 134 | USHORT platformID; |
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| 135 | USHORT encodingID; |
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| 136 | ULONG offset; |
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| 137 | } TTF_CMAP_ENTRY; |
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| 138 | |
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| 139 | typedef struct ttf_cmap { |
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| 140 | USHORT version; |
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| 141 | USHORT numberOfEncodingTables; |
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| 142 | TTF_CMAP_ENTRY encodingTable[1]; |
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| 143 | } TTF_CMAP ; |
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| 144 | |
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| 145 | typedef struct ttf_glyf { |
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| 146 | SHORT numberOfContours; |
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| 147 | FWORD xMin, yMin, xMax, yMax; |
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| 148 | } TTF_GLYF ; |
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| 149 | |
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| 150 | typedef struct ttf_maxp { |
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| 151 | ULONG version; |
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| 152 | USHORT numGlyphs, maxPoints, maxContours; |
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| 153 | USHORT maxCompositePoints, maxCompositeContours; |
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| 154 | USHORT maxZones, maxTwilightPoints, maxStorage; |
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| 155 | USHORT maxFunctionDefs, maxInstructionsDefs; |
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| 156 | USHORT maxSizeOfInstructions, maxComponentElements; |
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| 157 | USHORT maxComponentDepth; |
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| 158 | } TTF_MAXP ; |
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| 159 | |
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| 160 | typedef struct ttf_post_head { |
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| 161 | ULONG formatType; |
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| 162 | FIXED italicAngle; |
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| 163 | FWORD underlinePosition; |
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| 164 | FWORD underlineThickness; |
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| 165 | ULONG isFixedPitch; |
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| 166 | ULONG minMemType42; |
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| 167 | ULONG maxMemType42; |
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| 168 | ULONG minMemType1; |
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| 169 | ULONG maxMemType1; |
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| 170 | USHORT numGlyphs; |
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| 171 | USHORT glyphNameIndex; |
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| 172 | } TTF_POST_HEAD ; |
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