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Diffstat (limited to 'src/widgets/platforms/win/qfontengine_win_p.h')
| -rw-r--r-- | src/widgets/platforms/win/qfontengine_win_p.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/widgets/platforms/win/qfontengine_win_p.h b/src/widgets/platforms/win/qfontengine_win_p.h new file mode 100644 index 0000000000..ebcafffceb --- /dev/null +++ b/src/widgets/platforms/win/qfontengine_win_p.h @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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, Nokia gives you certain additional +** rights. These rights are described in the Nokia 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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; + 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: + 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 |