icuSources/layout/SegmentSingleProcessor2.cpp

   1 /*
   2  *
   3  * (C) Copyright IBM Corp.  and others 1998-2013 - All Rights Reserved
   4  *
   5  */
   6
   7 #include "LETypes.h"
   8 #include "MorphTables.h"
   9 #include "SubtableProcessor2.h"
  10 #include "NonContextualGlyphSubst.h"
  11 #include "NonContextualGlyphSubstProc2.h"
  12 #include "SegmentSingleProcessor2.h"
  13 #include "LEGlyphStorage.h"
  14 #include "LESwaps.h"
  15
  16 U_NAMESPACE_BEGIN
  17
  18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentSingleProcessor2)
  19
  20 SegmentSingleProcessor2::SegmentSingleProcessor2()
  21 {
  22 }
  23
  24 SegmentSingleProcessor2::SegmentSingleProcessor2(const MorphSubtableHeader2 *morphSubtableHeader)
  25   : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader)
  26 {
  27     const NonContextualGlyphSubstitutionHeader2 *header = (const NonContextualGlyphSubstitutionHeader2 *) morphSubtableHeader;
  28
  29     segmentSingleLookupTable = (const SegmentSingleLookupTable *) &header->table;
  30 }
  31
  32 SegmentSingleProcessor2::~SegmentSingleProcessor2()
  33 {
  34 }
  35
  36 void SegmentSingleProcessor2::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