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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
59QT_BEGIN_NAMESPACE
60
61class QPicturePaintEnginePrivate;
62class QBuffer;
63
64class QPicturePaintEngine : public QPaintEngine
65{
66 Q_DECLARE_PRIVATE(QPicturePaintEngine)
67public:
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
100 Type type() const override { return Picture; }
101
102protected:
103 QPicturePaintEngine(QPaintEnginePrivate &dptr);
104
105private:
106 Q_DISABLE_COPY_MOVE(QPicturePaintEngine)
107
108 void writeCmdLength(int pos, const QRectF &r, bool corr);
109};
110
111QT_END_NAMESPACE
112
113#endif // QT_NO_PICTURE
114
115#endif // QPAINTENGINE_PIC_P_H
116

source code of qtbase/src/gui/image/qpaintengine_pic_p.h