Differential D18683 Diff 51530 platformsupport/scenes/qpainter/backend.h

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platformsupport/scenes/qpainter/backend.h

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45 **/ 45​ **/
46 virtual OverlayWindow *overlayWindow(); 46​ virtual OverlayWindow *overlayWindow();
47 virtual bool usesOverlayWindow() const = 0; 47​ virtual bool usesOverlayWindow() const = 0;
48 virtual void prepareRenderingFrame() = 0; 48​ virtual void prepareRenderingFrame() = 0;
49 /** 49​ /**
50 * @brief Shows the Overlay Window 50​ * @brief Shows the Overlay Window
51 * 51​ *
52 * Default implementation does nothing. 52​ * Default implementation does nothing.
53 */ 53​ **/
54 virtual void showOverlay(); 54​ virtual void showOverlay();
55 /** 55​ /**
56 * @brief React on screen geometry changes. 56​ * @brief React on screen geometry changes.
57 * 57​ *
58 * Default implementation does nothing. Override if specific functionality is required. 58​ * Default implementation does nothing. Override if specific functionality is required.
59 * 59​ *
60 * @param size The new screen size 60​ * @param size The new screen size
61 */ 61​ **/
62 virtual void screenGeometryChanged(const QSize &size); 62​ virtual void screenGeometryChanged(const QSize &size);
63 /** 63​ /**
64 * @brief Whether the creation of the Backend failed. 64​ * @brief Whether the creation of the Backend failed.
65 * 65​ *
66 * The SceneQPainter should test whether the Backend got constructed correctly. If this method 66​ * The SceneQPainter should test whether the Backend got constructed correctly. If this method
67 * returns @c true, the SceneQPainter should not try to start the rendering. 67​ * returns @c true, the SceneQPainter should not try to start the rendering.
68 * 68​ *
69 * @return bool @c true if the creation of the Backend failed, @c false otherwise. 69​ * @return bool @c true if the creation of the Backend failed, @c false otherwise.
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