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1 | /**************************************************************************** |
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2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the tools applications of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
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11 | ** accordance with the commercial license agreement provided with the |
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14 | ** conditions see http://qt.digia.com/licensing. For further information |
15 | ** use the contact form at http://qt.digia.com/contact-us. |
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17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
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34 | ** ensure the GNU General Public License version 3.0 requirements will be |
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36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QPF2_H |
43 | #define QPF2_H |
44 | |
45 | #include <private/qfontengine_qpf_p.h> |
46 | #include <qmetatype.h> |
47 | |
48 | QT_BEGIN_NAMESPACE |
49 | |
50 | class QFontEngine; |
51 | |
52 | class QPF |
53 | { |
54 | public: |
55 | static int debugVerbosity; |
56 | |
57 | enum GenerationOption { |
58 | IncludeCMap = 0x1, |
59 | RenderGlyphs = 0x2 |
60 | }; |
61 | |
62 | struct CharacterRange |
63 | { |
64 | inline CharacterRange() : start(0), end(0xffff) {} |
65 | uint start; |
66 | uint end; |
67 | }; |
68 | |
69 | static QString fileNameForFont(const QFont &f); |
70 | |
71 | static QByteArray generate(const QFont &font, int options, |
72 | const QList<CharacterRange> &ranges, |
73 | QString *originalFontFile = 0); |
74 | static QByteArray generate(QFontEngine *fontEngine, int options, const QList<CharacterRange> &ranges); |
75 | void addHeader(QFontEngine *fontEngine); |
76 | void addCMap(QFontEngine *fontEngine); |
77 | void addGlyphs(QFontEngine *fontEngine, const QList<CharacterRange> &ranges); |
78 | void addBlock(QFontEngineQPF::BlockTag tag, const QByteArray &data); |
79 | |
80 | void addTaggedString(QFontEngineQPF::HeaderTag tag, const QByteArray &string); |
81 | void addTaggedQFixed(QFontEngineQPF::HeaderTag tag, QFixed value); |
82 | void addTaggedUInt8(QFontEngineQPF::HeaderTag tag, quint8 value); |
83 | void addTaggedInt8(QFontEngineQPF::HeaderTag tag, qint8 value); |
84 | void addTaggedUInt16(QFontEngineQPF::HeaderTag tag, quint16 value); |
85 | void addTaggedUInt32(QFontEngineQPF::HeaderTag tag, quint32 value); |
86 | |
87 | static void dump(const QByteArray &qpf); |
88 | const uchar *dumpHeader(const uchar *data); |
89 | const uchar *dumpHeaderTag(const uchar *data); |
90 | void dumpGMapBlock(const quint32 *gmap, int glyphCount); |
91 | void dumpGlyphBlock(const quint32 *gmap, int glyphCount, const uchar *data, const uchar *endPtr); |
92 | void dumpGlyph(const uchar *data, const QFontEngineQPF::Glyph *glyph); |
93 | |
94 | void addUInt16(quint16 value) { qToBigEndian(value, addBytes(sizeof(value))); } |
95 | void addUInt32(quint32 value) { qToBigEndian(value, addBytes(sizeof(value))); } |
96 | void addUInt8(quint8 value) { *addBytes(sizeof(value)) = value; } |
97 | void addInt8(qint8 value) { *addBytes(sizeof(value)) = quint8(value); } |
98 | void addByteArray(const QByteArray &string) { |
99 | uchar *data = addBytes(string.length()); |
100 | qMemCopy(data, string.constData(), string.length()); |
101 | } |
102 | |
103 | void align4() { while (qpf.size() & 3) { addUInt8( |
104 | |
105 | uchar *addBytes(int size) { |
106 | const int oldSize = qpf.size(); |
107 | qpf.resize(qpf.size() + size); |
108 | return reinterpret_cast<uchar *>(qpf.data() + oldSize); |
109 | } |
110 | |
111 | QByteArray qpf; |
112 | int options; |
113 | }; |
114 | |
115 | QT_END_NAMESPACE |
116 | |
117 | Q_DECLARE_METATYPE(QPF::CharacterRange) |
118 | |
119 | #endif // QPF2_H |
120 |
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