1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/fontservices/textshaperplugin/IcuSource/layout/ClassDefinitionTables.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,120 @@
     1.4 +/*
     1.5 + *
     1.6 + * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
     1.7 + *
     1.8 + */
     1.9 +
    1.10 +#include "LETypes.h"
    1.11 +#include "OpenTypeTables.h"
    1.12 +#include "OpenTypeUtilities.h"
    1.13 +#include "ClassDefinitionTables.h"
    1.14 +#include "LESwaps.h"
    1.15 +
    1.16 +U_NAMESPACE_BEGIN
    1.17 +
    1.18 +le_int32 ClassDefinitionTable::getGlyphClass(LEGlyphID glyphID) const
    1.19 +{
    1.20 +    switch(SWAPW(classFormat)) {
    1.21 +    case 0:
    1.22 +        return 0;
    1.23 +
    1.24 +    case 1:
    1.25 +    {
    1.26 +        const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this;
    1.27 +
    1.28 +        return f1Table->getGlyphClass(glyphID);
    1.29 +    }
    1.30 +
    1.31 +    case 2:
    1.32 +    {
    1.33 +        const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this;
    1.34 +
    1.35 +        return f2Table->getGlyphClass(glyphID);
    1.36 +    }
    1.37 +
    1.38 +    default:
    1.39 +        return 0;
    1.40 +    }
    1.41 +}
    1.42 +
    1.43 +le_bool ClassDefinitionTable::hasGlyphClass(le_int32 glyphClass) const
    1.44 +{
    1.45 +    switch(SWAPW(classFormat)) {
    1.46 +    case 0:
    1.47 +        return 0;
    1.48 +
    1.49 +    case 1:
    1.50 +    {
    1.51 +        const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this;
    1.52 +
    1.53 +        return f1Table->hasGlyphClass(glyphClass);
    1.54 +    }
    1.55 +
    1.56 +    case 2:
    1.57 +    {
    1.58 +        const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this;
    1.59 +
    1.60 +        return f2Table->hasGlyphClass(glyphClass);
    1.61 +    }
    1.62 +
    1.63 +    default:
    1.64 +        return 0;
    1.65 +    }
    1.66 +}
    1.67 +
    1.68 +le_int32 ClassDefFormat1Table::getGlyphClass(LEGlyphID glyphID) const
    1.69 +{
    1.70 +    TTGlyphID ttGlyphID  = (TTGlyphID) LE_GET_GLYPH(glyphID);
    1.71 +    TTGlyphID firstGlyph = SWAPW(startGlyph);
    1.72 +    TTGlyphID lastGlyph  = firstGlyph + SWAPW(glyphCount);
    1.73 +
    1.74 +    if (ttGlyphID > firstGlyph && ttGlyphID < lastGlyph) {
    1.75 +        return SWAPW(classValueArray[ttGlyphID - firstGlyph]);
    1.76 +    }
    1.77 +
    1.78 +    return 0;
    1.79 +}
    1.80 +
    1.81 +le_bool ClassDefFormat1Table::hasGlyphClass(le_int32 glyphClass) const
    1.82 +{
    1.83 +    le_uint16 count  = SWAPW(glyphCount);
    1.84 +    int i;
    1.85 +
    1.86 +    for (i = 0; i < count; i += 1) {
    1.87 +        if (SWAPW(classValueArray[i]) == glyphClass) {
    1.88 +            return TRUE;
    1.89 +        }
    1.90 +    }
    1.91 +
    1.92 +    return FALSE;
    1.93 +}
    1.94 +
    1.95 +le_int32 ClassDefFormat2Table::getGlyphClass(LEGlyphID glyphID) const
    1.96 +{
    1.97 +    TTGlyphID ttGlyph    = (TTGlyphID) LE_GET_GLYPH(glyphID);
    1.98 +    le_uint16 rangeCount = SWAPW(classRangeCount);
    1.99 +    le_int32  rangeIndex =
   1.100 +        OpenTypeUtilities::getGlyphRangeIndex(ttGlyph, classRangeRecordArray, rangeCount);
   1.101 +
   1.102 +    if (rangeIndex < 0) {
   1.103 +        return 0;
   1.104 +    }
   1.105 +
   1.106 +    return SWAPW(classRangeRecordArray[rangeIndex].rangeValue);
   1.107 +}
   1.108 +
   1.109 +le_bool ClassDefFormat2Table::hasGlyphClass(le_int32 glyphClass) const
   1.110 +{
   1.111 +    le_uint16 rangeCount = SWAPW(classRangeCount);
   1.112 +    int i;
   1.113 +
   1.114 +    for (i = 0; i < rangeCount; i += 1) {
   1.115 +        if (SWAPW(classRangeRecordArray[i].rangeValue) == glyphClass) {
   1.116 +            return TRUE;
   1.117 +        }
   1.118 +    }
   1.119 +
   1.120 +    return FALSE;
   1.121 +}
   1.122 +
   1.123 +U_NAMESPACE_END