1/*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.  Oracle designates this
7 * particular file as subject to the "Classpath" exception as provided
8 * by Oracle in the LICENSE file that accompanied this code.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26/*
27 *
28 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
29 *
30 */
31
32#include "LETypes.h"
33#include "MorphTables.h"
34#include "SubtableProcessor.h"
35#include "NonContextualGlyphSubst.h"
36#include "NonContextualGlyphSubstProc.h"
37#include "TrimmedArrayProcessor.h"
38#include "LEGlyphStorage.h"
39#include "LESwaps.h"
40
41U_NAMESPACE_BEGIN
42
43UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TrimmedArrayProcessor)
44
45TrimmedArrayProcessor::TrimmedArrayProcessor()
46{
47}
48
49TrimmedArrayProcessor::TrimmedArrayProcessor(const LEReferenceTo<MorphSubtableHeader> &morphSubtableHeader, LEErrorCode &success)
50  : NonContextualGlyphSubstitutionProcessor(morphSubtableHeader, success), firstGlyph(0), lastGlyph(0)
51{
52  LEReferenceTo<NonContextualGlyphSubstitutionHeader> header(morphSubtableHeader, success);
53
54  if(LE_FAILURE(success)) return;
55
56  trimmedArrayLookupTable = LEReferenceTo<TrimmedArrayLookupTable>(morphSubtableHeader, success, (const TrimmedArrayLookupTable*)&header->table);
57
58  if(LE_FAILURE(success)) return;
59
60  firstGlyph = SWAPW(trimmedArrayLookupTable->firstGlyph);
61  lastGlyph = firstGlyph + SWAPW(trimmedArrayLookupTable->glyphCount);
62}
63
64TrimmedArrayProcessor::~TrimmedArrayProcessor()
65{
66}
67
68void TrimmedArrayProcessor::process(LEGlyphStorage &glyphStorage, LEErrorCode &success)
69{
70  if(LE_FAILURE(success)) return;
71    le_int32 glyphCount = glyphStorage.getGlyphCount();
72    le_int32 glyph;
73
74    for (glyph = 0; glyph < glyphCount; glyph += 1) {
75        LEGlyphID thisGlyph = glyphStorage[glyph];
76        TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(thisGlyph);
77
78        if ((ttGlyph > firstGlyph) && (ttGlyph < lastGlyph)) {
79            TTGlyphID newGlyph = SWAPW(trimmedArrayLookupTable->valueArray[ttGlyph - firstGlyph]);
80
81            glyphStorage[glyph] = LE_SET_GLYPH(thisGlyph, newGlyph);
82        }
83    }
84}
85
86U_NAMESPACE_END
87