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