Home | History | Annotate | Download | only in layout
      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 "TrimmedArrayProcessor.h"
     13 #include "LEGlyphStorage.h"
     14 #include "LESwaps.h"
     15 
     16 U_NAMESPACE_BEGIN
     17 
     18 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TrimmedArrayProcessor)
     19 
     20 TrimmedArrayProcessor::TrimmedArrayProcessor()
     21 {
     22 }
     23 
     24 TrimmedArrayProcessor::TrimmedArrayProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success)
     25   : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success), firstGlyph(0), lastGlyph(0)
     26 {
     27   LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success);
     28 
     29   if(LE_FAILURE(success)) return;
     30 
     31   trimmedArrayLookupTable = LEReferenceTo<TrimmedArrayLookupTable>(morphSubtableHeader, success, (const TrimmedArrayLookupTable*)&header->table);
     32 
     33   if(LE_FAILURE(success)) return;
     34 
     35   firstGlyph = SWAPW(trimmedArrayLookupTable->firstGlyph);
     36   lastGlyph = firstGlyph + SWAPW(trimmedArrayLookupTable->glyphCount);
     37 }
     38 
     39 TrimmedArrayProcessor::~TrimmedArrayProcessor()
     40 {
     41 }
     42 
     43 void TrimmedArrayProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
     44 {
     45   if(LE_FAILURE(success)) return;
     46     le_int32 glyphCount = glyphStorage.getGlyphCount();
     47     le_int32 glyph;
     48 
     49     for (glyph = 0; glyph < glyphCount; glyph += 1) {
     50         LEGlyphID thisGlyph = glyphStorage[glyph];
     51         TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(thisGlyph);
     52 
     53         if ((ttGlyph > firstGlyph) && (ttGlyph < lastGlyph)) {
     54             TTGlyphID newGlyph = SWAPW(trimmedArrayLookupTable->valueArray[ttGlyph - firstGlyph]);
     55 
     56             glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
     57         }
     58     }
     59 }
     60 
     61 U_NAMESPACE_END
     62