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46 #include <qabstractanimation.h>
54 QT_MODULE(Declarative)
56 class QSGContextPrivate;
57 class QSGRectangleNode;
64 class QSGMaterialShader;
68 class QGLFramebufferObject;
70 class Q_DECLARATIVE_EXPORT QSGContext : public QObject
73 Q_DECLARE_PRIVATE(QSGContext)
76 explicit QSGContext(QObject *parent = 0);
79 virtual void initialize(QGLContext *context);
81 QSGRenderer *renderer() const;
83 void setRootNode(QSGRootNode *node);
84 QSGRootNode *rootNode() const;
86 QSGEngine *engine() const;
87 QGLContext *glContext() const;
91 QSGMaterialShader *prepareMaterial(QSGMaterial *material);
93 virtual void renderNextFrame(QGLFramebufferObject *fbo = 0);
95 virtual QSGRectangleNode *createRectangleNode();
96 virtual QSGImageNode *createImageNode();
97 virtual QSGGlyphNode *createGlyphNode();
98 virtual QSGRenderer *createRenderer();
100 virtual bool canDecodeImageToTexture() const;
101 virtual QSGTexture *decodeImageToTexture(QIODevice *dev,
103 const QSize &requestSize);
104 virtual QSGTexture *createTexture(const QImage &image = QImage()) const;
106 static QSGContext *createDefaultContext();
108 void scheduleTextureForCleanup(QSGTexture *texture);
109 void cleanupTextures();
111 void setFlashModeEnabled(bool enabled);
112 bool isFlashModeEnabled() const;
114 void setRenderAlpha(qreal renderAlpha);
115 qreal renderAlpha() const;
117 void setDistanceFieldEnabled(bool enabled);
118 bool isDistanceFieldEnabled() const;
120 virtual QAnimationDriver *createAnimationDriver(QObject *parent);
130 #endif // QSGCONTEXT_H