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39
40#ifndef QQUICKCONTEXT2DTILE_P_H
41#define QQUICKCONTEXT2DTILE_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 <private/qtquickglobal_p.h>
55
56QT_REQUIRE_CONFIG(quick_canvas);
57
58#include "qquickcontext2d_p.h"
59#if QT_CONFIG(opengl)
60# include <QOpenGLFramebufferObject>
61#endif
62QT_BEGIN_NAMESPACE
63
64class QQuickContext2DTexture;
65class QQuickContext2DCommandBuffer;
66
67class QQuickContext2DTile
68{
69public:
70 QQuickContext2DTile();
71 virtual ~QQuickContext2DTile();
72
73 bool dirty() const {return m_dirty;}
74 void markDirty(bool dirty) {m_dirty = dirty;}
75
76 QRect rect() const {return m_rect;}
77
78 virtual void setRect(const QRect& r) = 0;
79 virtual QPainter* createPainter(bool smooth, bool antialiasing);
80 virtual void drawFinished() {}
81
82protected:
83 virtual void aboutToDraw() {}
84 uint m_dirty : 1;
85 QRect m_rect;
86 QPaintDevice* m_device;
87 QPainter m_painter;
88};
89
90#if QT_CONFIG(opengl)
91class QQuickContext2DFBOTile : public QQuickContext2DTile
92{
93public:
94 QQuickContext2DFBOTile();
95 ~QQuickContext2DFBOTile();
96 void setRect(const QRect& r) override;
97 QOpenGLFramebufferObject* fbo() const {return m_fbo;}
98 void drawFinished() override;
99
100protected:
101 void aboutToDraw() override;
102private:
103
104
105 QOpenGLFramebufferObject *m_fbo;
106};
107#endif
108class QQuickContext2DImageTile : public QQuickContext2DTile
109{
110public:
111 QQuickContext2DImageTile();
112 ~QQuickContext2DImageTile();
113 void setRect(const QRect& r) override;
114 const QImage& image() const {return m_image;}
115private:
116 QImage m_image;
117};
118QT_END_NAMESPACE
119
120#endif // QQUICKCONTEXT2DTILE_P_H
121

source code of qtdeclarative/src/quick/items/context2d/qquickcontext2dtile_p.h