icuSources/layout/TrimmedArrayProcessor2.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 "TrimmedArrayProcessor2.h"
  13 #include "LEGlyphStorage.h"
  14 #include "LESwaps.h"
  15
  16 U_NAMESPACE_BEGIN
  17
  18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TrimmedArrayProcessor2)
  19
  20 TrimmedArrayProcessor2::TrimmedArrayProcessor2()
  21 {
  22 }
  23
  24 TrimmedArrayProcessor2::TrimmedArrayProcessor2(const LEReferenceTo<MorphSubtableHeader2> &morphSubtableHeader, LEErrorCode &success)
  25   : NonContextualGlyphSubstitutionProcessor2(morphSubtableHeader, success)
  26 {
  27     const LEReferenceTo<NonContextualGlyphSubstitutionHeader2> header(morphSubtableHeader, success);
  28
  29     trimmedArrayLookupTable = LEReferenceTo<TrimmedArrayLookupTable>(morphSubtableHeader, success, &header->table);
  30     firstGlyph = SWAPW(trimmedArrayLookupTable->firstGlyph);
  31     lastGlyph = firstGlyph + SWAPW(trimmedArrayLookupTable->glyphCount);
  32     valueArray = LEReferenceToArrayOf<LookupValue>(morphSubtableHeader, success, &trimmedArrayLookupTable->valueArray[0], LE_UNBOUNDED_ARRAY);
  33 }
  34
  35 TrimmedArrayProcessor2::~TrimmedArrayProcessor2()
  36 {
  37 }
  38
  39 void TrimmedArrayProcessor2::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
  40 {
  41     if(LE_FAILURE(success)) return;
  42     le_int32 glyphCount = glyphStorage.getGlyphCount();
  43     le_int32 glyph;
  44
  45     for (glyph = 0; glyph < glyphCount; glyph += 1) {
  46         LEGlyphID thisGlyph = glyphStorage[glyph];
  47         TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(thisGlyph);
  48
  49         if ((ttGlyph > firstGlyph) && (ttGlyph < lastGlyph)) {
  50             TTGlyphID newGlyph = SWAPW(valueArray(ttGlyph - firstGlyph, success));
  51
  52             glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
  53         }
  54     }
  55 }
  56
  57 U_NAMESPACE_END