ValueRecords.h revision 12677:a4299d47bd00 
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.
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24 */
25
26/*
27 *
28 * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved
29 *
30 */
31
32#ifndef __VALUERECORDS_H
33#define __VALUERECORDS_H
34
35/**
36 * \file
37 * \internal
38 */
39
40#include "LETypes.h"
41#include "LEFontInstance.h"
42#include "OpenTypeTables.h"
43#include "GlyphIterator.h"
44
45U_NAMESPACE_BEGIN
46
47typedef le_uint16 ValueFormat;
48typedef le_int16 ValueRecordField;
49
50struct ValueRecord
51{
52    le_int16   values[ANY_NUMBER];
53
54    le_int16   getFieldValue(ValueFormat valueFormat, ValueRecordField field) const;
55    le_int16   getFieldValue(le_int16 index, ValueFormat valueFormat, ValueRecordField field) const;
56    void    adjustPosition(ValueFormat valueFormat, const LETableReference &base, GlyphIterator &glyphIterator,
57                const LEFontInstance *fontInstance, LEErrorCode &success) const;
58    void    adjustPosition(le_int16 index, ValueFormat valueFormat, const LETableReference &base, GlyphIterator &glyphIterator,
59                const LEFontInstance *fontInstance, LEErrorCode &success) const;
60
61    static le_int16    getSize(ValueFormat valueFormat);
62
63private:
64    static le_int16    getFieldCount(ValueFormat valueFormat);
65    static le_int16    getFieldIndex(ValueFormat valueFormat, ValueRecordField field);
66};
67LE_VAR_ARRAY(ValueRecord, values)
68
69enum ValueRecordFields
70{
71    vrfXPlacement   = 0,
72    vrfYPlacement   = 1,
73    vrfXAdvance     = 2,
74    vrfYAdvance     = 3,
75    vrfXPlaDevice   = 4,
76    vrfYPlaDevice   = 5,
77    vrfXAdvDevice   = 6,
78    vrfYAdvDevice   = 7
79};
80
81enum ValueFormatBits
82{
83    vfbXPlacement   = 0x0001,
84    vfbYPlacement   = 0x0002,
85    vfbXAdvance     = 0x0004,
86    vfbYAdvance     = 0x0008,
87    vfbXPlaDevice   = 0x0010,
88    vfbYPlaDevice   = 0x0020,
89    vfbXAdvDevice   = 0x0040,
90    vfbYAdvDevice   = 0x0080,
91    vfbReserved     = 0xFF00,
92    vfbAnyDevice    = vfbXPlaDevice + vfbYPlaDevice + vfbXAdvDevice + vfbYAdvDevice
93};
94
95U_NAMESPACE_END
96#endif
97