| /* |
| * @(#)SegmentArrayProcessor.cpp 1.6 00/03/15 |
| * |
| * (C) Copyright IBM Corp. 1998, 1999, 2000, 2001 - All Rights Reserved |
| * |
| */ |
| |
| #include "LETypes.h" |
| #include "MorphTables.h" |
| #include "SubtableProcessor.h" |
| #include "NonContextualGlyphSubst.h" |
| #include "NonContextualGlyphSubstProc.h" |
| #include "SegmentArrayProcessor.h" |
| #include "LESwaps.h" |
| |
| U_NAMESPACE_BEGIN |
| |
| const char SegmentArrayProcessor::fgClassID=0; |
| |
| SegmentArrayProcessor::SegmentArrayProcessor() |
| { |
| } |
| |
| SegmentArrayProcessor::SegmentArrayProcessor(const MorphSubtableHeader *morphSubtableHeader) |
| : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader) |
| { |
| const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader; |
| |
| segmentArrayLookupTable = (const SegmentArrayLookupTable *) &header->table; |
| } |
| |
| SegmentArrayProcessor::~SegmentArrayProcessor() |
| { |
| } |
| |
| void SegmentArrayProcessor::process(LEGlyphID *glyphs, le_int32 * /*charIndices*/, le_int32 glyphCount) |
| { |
| const LookupSegment *segments = segmentArrayLookupTable->segments; |
| le_int32 glyph; |
| |
| for (glyph = 0; glyph < glyphCount; glyph += 1) { |
| const LookupSegment *lookupSegment = segmentArrayLookupTable->lookupSegment(segments, glyphs[glyph]); |
| |
| if (lookupSegment != NULL) { |
| TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph); |
| le_int16 offset = SWAPW(lookupSegment->value); |
| |
| if (offset != 0) { |
| TTGlyphID *glyphArray = (TTGlyphID *) ((char *) subtableHeader + offset); |
| TTGlyphID newGlyph = SWAPW(glyphArray[LE_GET_GLYPH(glyphs[glyph]) - firstGlyph]); |
| |
| glyphs[glyph] = LE_SET_GLYPH(glyphs[glyph], newGlyph); |
| } |
| } |
| } |
| } |
| |
| U_NAMESPACE_END |