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      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 "SegmentArrayProcessor2.h"
     13 #include "LEGlyphStorage.h"
     14 #include "LESwaps.h"
     15 
     16 U_NAMESPACE_BEGIN
     17 
     18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SegmentArrayProcessor2)
     19 
     20 SegmentArrayProcessor2::SegmentArrayProcessor2()
     21 {
     22 }
     23 
     24 SegmentArrayProcessor2::SegmentArrayProcessor2(const MorphSubtableHeader2 *morphSubtableHeader)
     25   : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader)
     26 {
     27     const NonContextualGlyphSubstitutionHeader2 *header = (const NonContextualGlyphSubstitutionHeader2 *) morphSubtableHeader;
     28 
     29     segmentArrayLookupTable = (const SegmentArrayLookupTable *) &header->table;
     30 }
     31 
     32 SegmentArrayProcessor2::~SegmentArrayProcessor2()
     33 {
     34 }
     35 
     36 void SegmentArrayProcessor2::process(LEGlyphStorage &glyphStorage)
     37 {
     38     const LookupSegment *segments = segmentArrayLookupTable->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 = segmentArrayLookupTable->lookupSegment(segments, thisGlyph);
     45 
     46         if (lookupSegment != NULL)  {
     47             TTGlyphID firstGlyph = SWAPW(lookupSegment->firstGlyph);
     48             le_int16  offset = SWAPW(lookupSegment->value);
     49 
     50             if (offset != 0) {
     51                 TTGlyphID  *glyphArray = (TTGlyphID *) ((char *) subtableHeader + offset);
     52                 TTGlyphID   newGlyph   = SWAPW(glyphArray[LE_GET_GLYPH(thisGlyph) - firstGlyph]);
     53 
     54                 glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
     55             }
     56         }
     57     }
     58 }
     59 
     60 U_NAMESPACE_END
     61