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#ifndef __CLASSDEFINITIONTABLES_H
33#define __CLASSDEFINITIONTABLES_H
34
35/**
36 * \file
37 * \internal
38 */
39
40#include "LETypes.h"
41#include "OpenTypeTables.h"
42
43U_NAMESPACE_BEGIN
44
45struct ClassDefinitionTable
46{
47    le_uint16 classFormat;
48
49    le_int32  getGlyphClass(const LETableReference &base, LEGlyphID glyphID, LEErrorCode &success) const;
50    le_bool   hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const;
51
52#if LE_ENABLE_RAW
53  le_int32 getGlyphClass(LEGlyphID glyphID) const {
54    LETableReference base((const le_uint8*)this);
55    LEErrorCode ignored = LE_NO_ERROR;
56    return getGlyphClass(base,glyphID,ignored);
57  }
58
59  le_bool hasGlyphClass(le_int32 glyphClass) const {
60    LETableReference base((const le_uint8*)this);
61    LEErrorCode ignored = LE_NO_ERROR;
62    return hasGlyphClass(base,glyphClass,ignored);
63  }
64#endif
65};
66
67struct ClassDefFormat1Table : ClassDefinitionTable
68{
69    TTGlyphID  startGlyph;
70    le_uint16  glyphCount;
71    le_uint16  classValueArray[ANY_NUMBER];
72
73    le_int32 getGlyphClass(const LETableReference &base, LEGlyphID glyphID, LEErrorCode &success) const;
74    le_bool  hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const;
75};
76LE_VAR_ARRAY(ClassDefFormat1Table, classValueArray)
77
78
79struct ClassRangeRecord
80{
81    TTGlyphID start;
82    TTGlyphID end;
83    le_uint16 classValue;
84};
85
86struct ClassDefFormat2Table : ClassDefinitionTable
87{
88    le_uint16        classRangeCount;
89    GlyphRangeRecord classRangeRecordArray[ANY_NUMBER];
90
91    le_int32 getGlyphClass(const LETableReference &base, LEGlyphID glyphID, LEErrorCode &success) const;
92    le_bool hasGlyphClass(const LETableReference &base, le_int32 glyphClass, LEErrorCode &success) const;
93};
94LE_VAR_ARRAY(ClassDefFormat2Table, classRangeRecordArray)
95
96U_NAMESPACE_END
97#endif
98