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| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QPAINTENGINEEX_P_H |
| #define QPAINTENGINEEX_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 <QtGui/qpaintengine.h> |
| |
| #include <private/qpaintengine_p.h> |
| #include <private/qstroker_p.h> |
| #include <private/qpainter_p.h> |
| #include <private/qvectorpath_p.h> |
| |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QPainterState; |
| class QPaintEngineExPrivate; |
| class QStaticTextItem; |
| struct StrokeHandler; |
| |
| #ifndef QT_NO_DEBUG_STREAM |
| QDebug Q_GUI_EXPORT &operator<<(QDebug &, const QVectorPath &path); |
| #endif |
| |
| class Q_GUI_EXPORT QPaintEngineEx : public QPaintEngine |
| { |
| Q_DECLARE_PRIVATE(QPaintEngineEx) |
| public: |
| QPaintEngineEx(); |
| |
| virtual QPainterState *createState(QPainterState *orig) const; |
| |
| virtual void draw(const QVectorPath &path); |
| virtual void fill(const QVectorPath &path, const QBrush &brush) = 0; |
| virtual void stroke(const QVectorPath &path, const QPen &pen); |
| |
| virtual void clip(const QVectorPath &path, Qt::ClipOperation op) = 0; |
| virtual void clip(const QRect &rect, Qt::ClipOperation op); |
| virtual void clip(const QRegion ®ion, Qt::ClipOperation op); |
| virtual void clip(const QPainterPath &path, Qt::ClipOperation op); |
| |
| virtual void clipEnabledChanged() = 0; |
| virtual void penChanged() = 0; |
| virtual void brushChanged() = 0; |
| virtual void brushOriginChanged() = 0; |
| virtual void opacityChanged() = 0; |
| virtual void compositionModeChanged() = 0; |
| virtual void renderHintsChanged() = 0; |
| virtual void transformChanged() = 0; |
| |
| virtual void fillRect(const QRectF &rect, const QBrush &brush); |
| virtual void fillRect(const QRectF &rect, const QColor &color); |
| |
| virtual void drawRoundedRect(const QRectF &rect, qreal xrad, qreal yrad, Qt::SizeMode mode); |
| |
| virtual void drawRects(const QRect *rects, int rectCount) Q_DECL_OVERRIDE; |
| virtual void drawRects(const QRectF *rects, int rectCount) Q_DECL_OVERRIDE; |
| |
| virtual void drawLines(const QLine *lines, int lineCount) Q_DECL_OVERRIDE; |
| virtual void drawLines(const QLineF *lines, int lineCount) Q_DECL_OVERRIDE; |
| |
| virtual void drawEllipse(const QRectF &r) Q_DECL_OVERRIDE; |
| virtual void drawEllipse(const QRect &r) Q_DECL_OVERRIDE; |
| |
| virtual void drawPath(const QPainterPath &path) Q_DECL_OVERRIDE; |
| |
| virtual void drawPoints(const QPointF *points, int pointCount) Q_DECL_OVERRIDE; |
| virtual void drawPoints(const QPoint *points, int pointCount) Q_DECL_OVERRIDE; |
| |
| virtual void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode) Q_DECL_OVERRIDE; |
| virtual void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode) Q_DECL_OVERRIDE; |
| |
| virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) Q_DECL_OVERRIDE = 0; |
| virtual void drawPixmap(const QPointF &pos, const QPixmap &pm); |
| |
| virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, |
| Qt::ImageConversionFlags flags = Qt::AutoColor) Q_DECL_OVERRIDE = 0; |
| virtual void drawImage(const QPointF &pos, const QImage &image); |
| |
| virtual void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) Q_DECL_OVERRIDE; |
| |
| virtual void drawPixmapFragments(const QPainter::PixmapFragment *fragments, int fragmentCount, const QPixmap &pixmap, |
| QFlags<QPainter::PixmapFragmentHint> hints); |
| |
| virtual void updateState(const QPaintEngineState &state) Q_DECL_OVERRIDE; |
| |
| virtual void drawStaticTextItem(QStaticTextItem *); |
| |
| virtual void setState(QPainterState *s); |
| inline QPainterState *state() { return static_cast<QPainterState *>(QPaintEngine::state); } |
| inline const QPainterState *state() const { return static_cast<const QPainterState *>(QPaintEngine::state); } |
| |
| virtual void sync() {} |
| |
| virtual void beginNativePainting() {} |
| virtual void endNativePainting() {} |
| |
| // These flags are needed in the implementation of paint buffers. |
| enum Flags |
| { |
| DoNotEmulate = 0x01, // If set, QPainter will not wrap this engine in an emulation engine. |
| IsEmulationEngine = 0x02 // If set, this object is a QEmulationEngine. |
| }; |
| virtual uint flags() const {return 0;} |
| virtual bool requiresPretransformedGlyphPositions(QFontEngine *fontEngine, const QTransform &m) const; |
| virtual bool shouldDrawCachedGlyphs(QFontEngine *fontEngine, const QTransform &m) const; |
| |
| protected: |
| QPaintEngineEx(QPaintEngineExPrivate &data); |
| }; |
| |
| class Q_GUI_EXPORT QPaintEngineExPrivate : public QPaintEnginePrivate |
| { |
| Q_DECLARE_PUBLIC(QPaintEngineEx) |
| public: |
| QPaintEngineExPrivate(); |
| ~QPaintEngineExPrivate(); |
| |
| void replayClipOperations(); |
| bool hasClipOperations() const; |
| |
| QStroker stroker; |
| QDashStroker dasher; |
| StrokeHandler *strokeHandler; |
| QStrokerOps *activeStroker; |
| QPen strokerPen; |
| |
| QRect exDeviceRect; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |