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39
40#ifndef QEMULATIONPAINTENGINE_P_H
41#define QEMULATIONPAINTENGINE_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 <private/qpaintengineex_p.h>
56
57QT_BEGIN_NAMESPACE
58
59
60class QEmulationPaintEngine : public QPaintEngineEx
61{
62public:
63 QEmulationPaintEngine(QPaintEngineEx *engine);
64
65 bool begin(QPaintDevice *pdev) override;
66 bool end() override;
67
68 Type type() const override;
69 QPainterState *createState(QPainterState *orig) const override;
70
71 void fill(const QVectorPath &path, const QBrush &brush) override;
72 void stroke(const QVectorPath &path, const QPen &pen) override;
73 void clip(const QVectorPath &path, Qt::ClipOperation op) override;
74
75 void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr) override;
76 void drawTextItem(const QPointF &p, const QTextItem &textItem) override;
77 void drawStaticTextItem(QStaticTextItem *item) override;
78 void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s) override;
79 void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags) override;
80
81 void clipEnabledChanged() override;
82 void penChanged() override;
83 void brushChanged() override;
84 void brushOriginChanged() override;
85 void opacityChanged() override;
86 void compositionModeChanged() override;
87 void renderHintsChanged() override;
88 void transformChanged() override;
89
90 void setState(QPainterState *s) override;
91
92 void beginNativePainting() override;
93 void endNativePainting() override;
94
95 uint flags() const override { return QPaintEngineEx::IsEmulationEngine | QPaintEngineEx::DoNotEmulate; }
96
97 inline QPainterState *state() { return (QPainterState *)QPaintEngine::state; }
98 inline const QPainterState *state() const { return (const QPainterState *)QPaintEngine::state; }
99
100 QPaintEngineEx *real_engine;
101private:
102 void fillBGRect(const QRectF &r);
103};
104
105QT_END_NAMESPACE
106
107#endif
108