source/layout/SimpleArrayProcessor.cpp

   1 /*
   2  *
   3  * (C) Copyright IBM Corp. 1998-2013 - 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 "SimpleArrayProcessor.h"
  13 #include "LEGlyphStorage.h"
  14 #include "LESwaps.h"
  15
  16 U_NAMESPACE_BEGIN
  17
  18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleArrayProcessor)
  19
  20 SimpleArrayProcessor::SimpleArrayProcessor()
  21 {
  22 }
  23
  24 SimpleArrayProcessor::SimpleArrayProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success)
  25   : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success)
  26 {
  27   LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success);
  28   simpleArrayLookupTable = LEReferenceTo<SimpleArrayLookupTable>(morphSubtableHeader, success, (const SimpleArrayLookupTable*)&header->table);
  29 }
  30
  31 SimpleArrayProcessor::~SimpleArrayProcessor()
  32 {
  33 }
  34
  35 void SimpleArrayProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
  36 {
  37     le_int32 glyphCount = glyphStorage.getGlyphCount();
  38     le_int32 glyph;
  39
  40     LEReferenceToArrayOf<LookupValue> valueArray(simpleArrayLookupTable, success, (const LookupValue*)&simpleArrayLookupTable->valueArray, LE_UNBOUNDED_ARRAY);
  41
  42     for (glyph = 0; LE_SUCCESS(success) && (glyph < glyphCount); glyph += 1) {
  43         LEGlyphID thisGlyph = glyphStorage[glyph];
  44         if (LE_GET_GLYPH(thisGlyph) < 0xFFFF) {
  45           TTGlyphID newGlyph = SWAPW(valueArray.getObject(LE_GET_GLYPH(thisGlyph),success));
  46           glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
  47         }
  48     }
  49 }
  50
  51 U_NAMESPACE_END