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39
40#ifndef QSGSOFTWARELAYER_H
41#define QSGSOFTWARELAYER_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/qsgadaptationlayer_p.h>
55#include <private/qsgcontext_p.h>
56#include <private/qsgtexture_p.h>
57
58QT_BEGIN_NAMESPACE
59
60class QSGSoftwarePixmapRenderer;
61class QSGSoftwareLayerPrivate;
62
63class QSGSoftwareLayer : public QSGLayer
64{
65 Q_DECLARE_PRIVATE(QSGSoftwareLayer)
66 Q_OBJECT
67public:
68 QSGSoftwareLayer(QSGRenderContext *renderContext);
69 ~QSGSoftwareLayer();
70
71 const QPixmap &pixmap() const { return m_pixmap; }
72
73 // QSGTexture interface
74public:
75 int textureId() const override;
76 QSize textureSize() const override;
77 bool hasAlphaChannel() const override;
78 bool hasMipmaps() const override;
79 void bind() override;
80
81 // QSGDynamicTexture interface
82public:
83 bool updateTexture() override;
84
85 // QSGLayer interface
86public:
87 void setItem(QSGNode *item) override;
88 void setRect(const QRectF &rect) override;
89 void setSize(const QSize &size) override;
90 void scheduleUpdate() override;
91 QImage toImage() const override;
92 void setLive(bool live) override;
93 void setRecursive(bool recursive) override;
94 void setFormat(uint) override;
95 void setHasMipmaps(bool) override;
96 void setDevicePixelRatio(qreal ratio) override;
97 void setMirrorHorizontal(bool mirror) override;
98 void setMirrorVertical(bool mirror) override;
99 void setSamples(int) override { }
100
101public slots:
102 void markDirtyTexture() override;
103 void invalidated() override;
104
105private:
106 void grab();
107
108 QSGNode *m_item;
109 QSGRenderContext *m_context;
110 QSGSoftwarePixmapRenderer *m_renderer;
111 QRectF m_rect;
112 QSize m_size;
113 QPixmap m_pixmap;
114 qreal m_device_pixel_ratio;
115 bool m_mirrorHorizontal;
116 bool m_mirrorVertical;
117 bool m_live;
118 bool m_grab;
119 bool m_recursive;
120 bool m_dirtyTexture;
121};
122
123class QSGSoftwareLayerPrivate : public QSGTexturePrivate
124{
125 Q_DECLARE_PUBLIC(QSGSoftwareLayer)
126public:
127 int comparisonKey() const override;
128};
129
130QT_END_NAMESPACE
131
132#endif // QSGSOFTWARELAYER_H
133

source code of qtdeclarative/src/quick/scenegraph/adaptations/software/qsgsoftwarelayer_p.h