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      1 /*
      2  *
      3  * (C) Copyright IBM Corp. 1998-2004 - 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 MorphSubtableHeader *morphSubtableHeader)
     25   : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader)
     26 {
     27     const NonContextualGlyphSubstitutionHeader *header = (const NonContextualGlyphSubstitutionHeader *) morphSubtableHeader;
     28 
     29     trimmedArrayLookupTable = (const TrimmedArrayLookupTable *) &header->table;
     30     firstGlyph = SWAPW(trimmedArrayLookupTable->firstGlyph);
     31     lastGlyph = firstGlyph + SWAPW(trimmedArrayLookupTable->glyphCount);
     32 }
     33 
     34 TrimmedArrayProcessor::~TrimmedArrayProcessor()
     35 {
     36 }
     37 
     38 void TrimmedArrayProcessor::process(LEGlyphStorage &glyphStorage)
     39 {
     40     le_int32 glyphCount = glyphStorage.getGlyphCount();
     41     le_int32 glyph;
     42 
     43     for (glyph = 0; glyph < glyphCount; glyph += 1) {
     44         LEGlyphID thisGlyph = glyphStorage[glyph];
     45         TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(thisGlyph);
     46 
     47         if ((ttGlyph > firstGlyph) && (ttGlyph < lastGlyph)) {
     48             TTGlyphID newGlyph = SWAPW(trimmedArrayLookupTable->valueArray[ttGlyph - firstGlyph]);
     49 
     50             glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
     51         }
     52     }
     53 }
     54 
     55 U_NAMESPACE_END
     56