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119 lines
4.6 KiB
C++
119 lines
4.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the tools applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPF2_H
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#define QPF2_H
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#include <qfontengine_qpf_p.h>
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#include <qmetatype.h>
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QT_BEGIN_NAMESPACE
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class QFontEngine;
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class QPF
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{
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public:
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static int debugVerbosity;
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enum GenerationOption {
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IncludeCMap = 0x1,
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RenderGlyphs = 0x2
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};
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struct CharacterRange
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{
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inline CharacterRange() : start(0), end(0xffff) {}
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uint start;
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uint end;
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};
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static QString fileNameForFont(const QFont &f);
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static QByteArray generate(const QFont &font, int options,
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const QList<CharacterRange> &ranges,
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QString *originalFontFile = 0);
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static QByteArray generate(QFontEngine *fontEngine, int options, const QList<CharacterRange> &ranges);
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void addHeader(QFontEngine *fontEngine);
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void addCMap(QFontEngine *fontEngine);
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void addGlyphs(QFontEngine *fontEngine, const QList<CharacterRange> &ranges);
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void addBlock(QFontEngineQPF::BlockTag tag, const QByteArray &data);
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void addTaggedString(QFontEngineQPF::HeaderTag tag, const QByteArray &string);
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void addTaggedQFixed(QFontEngineQPF::HeaderTag tag, QFixed value);
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void addTaggedUInt8(QFontEngineQPF::HeaderTag tag, quint8 value);
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void addTaggedInt8(QFontEngineQPF::HeaderTag tag, qint8 value);
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void addTaggedUInt16(QFontEngineQPF::HeaderTag tag, quint16 value);
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void addTaggedUInt32(QFontEngineQPF::HeaderTag tag, quint32 value);
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static void dump(const QByteArray &qpf);
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const uchar *dumpHeader(const uchar *data);
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const uchar *dumpHeaderTag(const uchar *data);
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void dumpGMapBlock(const quint32 *gmap, int glyphCount);
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void dumpGlyphBlock(const quint32 *gmap, int glyphCount, const uchar *data, const uchar *endPtr);
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void dumpGlyph(const uchar *data, const QFontEngineQPF::Glyph *glyph);
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void addUInt16(quint16 value) { qToBigEndian(value, addBytes(sizeof(value))); }
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void addUInt32(quint32 value) { qToBigEndian(value, addBytes(sizeof(value))); }
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void addUInt8(quint8 value) { *addBytes(sizeof(value)) = value; }
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void addInt8(qint8 value) { *addBytes(sizeof(value)) = quint8(value); }
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void addByteArray(const QByteArray &string) {
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uchar *data = addBytes(string.length());
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qMemCopy(data, string.constData(), string.length());
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}
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void align4() { while (qpf.size() & 3) { addUInt8('\0'); } }
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uchar *addBytes(int size) {
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const int oldSize = qpf.size();
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qpf.resize(qpf.size() + size);
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return reinterpret_cast<uchar *>(qpf.data() + oldSize);
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}
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QByteArray qpf;
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int options;
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};
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QT_END_NAMESPACE
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Q_DECLARE_METATYPE(QPF::CharacterRange)
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#endif // QPF2_H
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