Home | History | Annotate | Download | only in layout
      1 /*
      2  *
      3  * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
      4  *
      5  */
      6 
      7 #include "LETypes.h"
      8 #include "MorphTables.h"
      9 #include "SubtableProcessor.h"
     10 #include "NonContextualGlyphSubst.h"
     11 #include "NonContextualGlyphSubstProc.h"
     12 #include "SegmentSingleProcessor.h"
     13 #include "LEGlyphStorage.h"
     14 #include "LESwaps.h"
     15 
     16 U_NAMESPACE_BEGIN
     17 
     18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentSingleProcessor)
     19 
     20 SegmentSingleProcessor::SegmentSingleProcessor()
     21 {
     22 }
     23 
     24 SegmentSingleProcessor::SegmentSingleProcessor(const MorphSubtableHeader *morphSubtableHeader)
     25   : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)
     26 {
     27     const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;
     28 
     29     segmentSingleLookupTable = (const SegmentSingleLookupTable *) &header->table;
     30 }
     31 
     32 SegmentSingleProcessor::~SegmentSingleProcessor()
     33 {
     34 }
     35 
     36 void SegmentSingleProcessor::process(LEGlyphStorage &glyphStorage)
     37 {
     38     const LookupSegment *segments = segmentSingleLookupTable->segments;
     39     le_int32 glyphCount = glyphStorage.getGlyphCount();
     40     le_int32 glyph;
     41 
     42     for (glyph = 0; glyph < glyphCount; glyph += 1) {
     43         LEGlyphID thisGlyph = glyphStorage[glyph];
     44         const LookupSegment *lookupSegment = segmentSingleLookupTable->lookupSegment(segments, thisGlyph);
     45 
     46         if (lookupSegment != NULL) {
     47             TTGlyphID   newGlyph  = (TTGlyphID) LE_GET_GLYPH(thisGlyph) + SWAPW(lookupSegment->value);
     48 
     49             glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
     50         }
     51     }
     52 }
     53 
     54 U_NAMESPACE_END
     55