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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company 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 QFONTENGINE_WIN_P_H
#define QFONTENGINE_WIN_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qconfig.h>
QT_BEGIN_NAMESPACE
class QNativeImage;
class QFontEngineWin : public QFontEngine
{
public:
QFontEngineWin(const QString &name, HFONT, bool, LOGFONT);
~QFontEngineWin();
virtual QFixed lineThickness() const;
virtual Properties properties() const;
virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
virtual FaceId faceId() const;
virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
virtual int synthesized() const;
virtual QFixed emSquareSize() const;
virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
virtual void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags) const;
virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags);
virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
QPainterPath *path, QTextItem::RenderFlags flags);
HGDIOBJ selectDesignFont() const;
virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
virtual glyph_metrics_t boundingBox(glyph_t g) { return boundingBox(g, QTransform()); }
virtual glyph_metrics_t boundingBox(glyph_t g, const QTransform &t);
virtual QFixed ascent() const;
virtual QFixed descent() const;
virtual QFixed leading() const;
virtual QFixed xHeight() const;
virtual QFixed averageCharWidth() const;
virtual qreal maxCharWidth() const;
virtual qreal minLeftBearing() const;
virtual qreal minRightBearing() const;
virtual const char *name() const;
bool canRender(const QChar *string, int len);
Type type() const;
virtual QImage alphaMapForGlyph(glyph_t t) { return alphaMapForGlyph(t, QTransform()); }
virtual QImage alphaMapForGlyph(glyph_t, const QTransform &xform);
virtual QImage alphaRGBMapForGlyph(glyph_t t, QFixed subPixelPosition, int margin, const QTransform &xform);
virtual QFontEngine *cloneWithSize(qreal pixelSize) const;
#ifndef Q_CC_MINGW
virtual void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0);
#endif
int getGlyphIndexes(const QChar *ch, int numChars, QGlyphLayout *glyphs, bool mirrored) const;
void getCMap();
#ifndef Q_WS_WINCE
bool getOutlineMetrics(glyph_t glyph, const QTransform &t, glyph_metrics_t *metrics) const;
#endif
QString _name;
QString uniqueFamilyName;
HFONT hfont;
LOGFONT logfont;
uint stockFont : 1;
uint ttf : 1;
uint hasOutline : 1;
uint cffTable : 1;
TEXTMETRIC tm;
int lw;
const unsigned char *cmap;
QByteArray cmapTable;
mutable qreal lbearing;
mutable qreal rbearing;
QFixed designToDevice;
int unitsPerEm;
QFixed x_height;
FaceId _faceId;
mutable int synthesized_flags;
mutable QFixed lineWidth;
mutable unsigned char *widthCache;
mutable uint widthCacheSize;
mutable QFixed *designAdvances;
mutable int designAdvancesSize;
private:
bool hasCFFTable() const;
bool hasCMapTable() const;
QNativeImage *drawGDIGlyph(HFONT font, glyph_t, int margin, const QTransform &xform,
QImage::Format mask_format);
};
class QFontEngineMultiWin : public QFontEngineMulti
{
public:
QFontEngineMultiWin(QFontEngine *first, const QStringList &fallbacks);
void loadEngine(int at);
QStringList fallbacks;
};
QT_END_NAMESPACE
#endif // QFONTENGINE_WIN_P_H
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