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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPF2_H
#define QPF2_H
#include <private/qfontengine_qpf_p.h>
#include <qmetatype.h>
QT_BEGIN_NAMESPACE
class QFontEngine;
class QPF
{
public:
static int debugVerbosity;
enum GenerationOption {
IncludeCMap = 0x1,
RenderGlyphs = 0x2
};
struct CharacterRange
{
inline CharacterRange() : start(0), end(0xffff) {}
uint start;
uint end;
};
static QString fileNameForFont(const QFont &f);
static QByteArray generate(const QFont &font, int options,
const QList<CharacterRange> &ranges,
QString *originalFontFile = 0);
static QByteArray generate(QFontEngine *fontEngine, int options, const QList<CharacterRange> &ranges);
void addHeader(QFontEngine *fontEngine);
void addCMap(QFontEngine *fontEngine);
void addGlyphs(QFontEngine *fontEngine, const QList<CharacterRange> &ranges);
void addBlock(QFontEngineQPF::BlockTag tag, const QByteArray &data);
void addTaggedString(QFontEngineQPF::HeaderTag tag, const QByteArray &string);
void addTaggedQFixed(QFontEngineQPF::HeaderTag tag, QFixed value);
void addTaggedUInt8(QFontEngineQPF::HeaderTag tag, quint8 value);
void addTaggedInt8(QFontEngineQPF::HeaderTag tag, qint8 value);
void addTaggedUInt16(QFontEngineQPF::HeaderTag tag, quint16 value);
void addTaggedUInt32(QFontEngineQPF::HeaderTag tag, quint32 value);
static void dump(const QByteArray &qpf);
const uchar *dumpHeader(const uchar *data);
const uchar *dumpHeaderTag(const uchar *data);
void dumpGMapBlock(const quint32 *gmap, int glyphCount);
void dumpGlyphBlock(const quint32 *gmap, int glyphCount, const uchar *data, const uchar *endPtr);
void dumpGlyph(const uchar *data, const QFontEngineQPF::Glyph *glyph);
void addUInt16(quint16 value) { qToBigEndian(value, addBytes(sizeof(value))); }
void addUInt32(quint32 value) { qToBigEndian(value, addBytes(sizeof(value))); }
void addUInt8(quint8 value) { *addBytes(sizeof(value)) = value; }
void addInt8(qint8 value) { *addBytes(sizeof(value)) = quint8(value); }
void addByteArray(const QByteArray &string) {
uchar *data = addBytes(string.length());
qMemCopy(data, string.constData(), string.length());
}
void align4() { while (qpf.size() & 3) { addUInt8('\0'); } }
uchar *addBytes(int size) {
const int oldSize = qpf.size();
qpf.resize(qpf.size() + size);
return reinterpret_cast<uchar *>(qpf.data() + oldSize);
}
QByteArray qpf;
int options;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QPF::CharacterRange)
#endif // QPF2_H
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