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39 
40 #ifndef QPAINTENGINE_PIC_P_H
41 #define QPAINTENGINE_PIC_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API. It exists purely as an
48 // implementation detail. This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtGui/private/qtguiglobal_p.h>
55 #include <QtGui/qpaintengine.h>
56 
57 #ifndef QT_NO_PICTURE
58 
59 QT_BEGIN_NAMESPACE
60 
61 class QPicturePaintEnginePrivate;
62 class QBuffer;
63 
64 class QPicturePaintEngine : public QPaintEngine
65 {
66     Q_DECLARE_PRIVATE(QPicturePaintEngine)
67 public:
68     QPicturePaintEngine();
69     ~QPicturePaintEngine();
70 
71     bool begin(QPaintDevice *pdev) override;
72     bool end() override;
73 
74     void updateState(const QPaintEngineState &state) override;
75 
76     void updatePen(const QPen &pen);
77     void updateBrush(const QBrush &brush);
78     void updateBrushOrigin(const QPointF &origin);
79     void updateFont(const QFont &font);
80     void updateBackground(Qt::BGMode bgmode, const QBrush &bgBrush);
81     void updateMatrix(const QTransform &matrix);
82     void updateClipRegion(const QRegion &region, Qt::ClipOperation op);
83     void updateClipPath(const QPainterPath &path, Qt::ClipOperation op);
84     void updateRenderHints(QPainter::RenderHints hints);
85     void updateCompositionMode(QPainter::CompositionMode cmode);
86     void updateClipEnabled(bool enabled);
87     void updateOpacity(qreal opacity);
88 
89     void drawEllipse(const QRectF &rect) override;
90     void drawPath(const QPainterPath &path) override;
91     void drawPolygon(const QPointF *points, int numPoints, PolygonDrawMode mode) override;
92     using QPaintEngine::drawPolygon;
93 
94     void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override;
95     void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override;
96     void drawImage(const QRectF &r, const QImage &image, const QRectF &sr,
97                    Qt::ImageConversionFlags flags = Qt::AutoColor) override;
98     void drawTextItem(const QPointF &p, const QTextItem &ti) override;
99 
type()100     Type type() const override { return Picture; }
101 
102 protected:
103     QPicturePaintEngine(QPaintEnginePrivate &dptr);
104 
105 private:
106     Q_DISABLE_COPY_MOVE(QPicturePaintEngine)
107 
108     void writeCmdLength(int pos, const QRectF &r, bool corr);
109 };
110 
111 QT_END_NAMESPACE
112 
113 #endif // QT_NO_PICTURE
114 
115 #endif // QPAINTENGINE_PIC_P_H
116