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
16U_NAMESPACE_BEGIN
17
18UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TrimmedArrayProcessor)
19
20TrimmedArrayProcessor::TrimmedArrayProcessor()
21{
22}
23
24TrimmedArrayProcessor::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
34TrimmedArrayProcessor::~TrimmedArrayProcessor()
35{
36}
37
38void 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
55U_NAMESPACE_END
56