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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QOPENGLWINDOW_H |
| #define QOPENGLWINDOW_H |
| |
| #include <QtGui/qtguiglobal.h> |
| |
| #ifndef QT_NO_OPENGL |
| |
| #include <QtGui/QPaintDeviceWindow> |
| #include <QtGui/QOpenGLContext> |
| #include <QtGui/QImage> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLWindowPrivate; |
| |
| class Q_GUI_EXPORT QOpenGLWindow : public QPaintDeviceWindow |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QOpenGLWindow) |
| |
| public: |
| enum UpdateBehavior { |
| NoPartialUpdate, |
| PartialUpdateBlit, |
| PartialUpdateBlend |
| }; |
| |
| explicit QOpenGLWindow(UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr); |
| explicit QOpenGLWindow(QOpenGLContext *shareContext, UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr); |
| ~QOpenGLWindow(); |
| |
| UpdateBehavior updateBehavior() const; |
| bool isValid() const; |
| |
| void makeCurrent(); |
| void doneCurrent(); |
| |
| QOpenGLContext *context() const; |
| QOpenGLContext *shareContext() const; |
| |
| GLuint defaultFramebufferObject() const; |
| |
| QImage grabFramebuffer(); |
| |
| Q_SIGNALS: |
| void frameSwapped(); |
| |
| protected: |
| virtual void initializeGL(); |
| virtual void resizeGL(int w, int h); |
| virtual void paintGL(); |
| virtual void paintUnderGL(); |
| virtual void paintOverGL(); |
| |
| void paintEvent(QPaintEvent *event) override; |
| void resizeEvent(QResizeEvent *event) override; |
| int metric(PaintDeviceMetric metric) const override; |
| QPaintDevice *redirected(QPoint *) const override; |
| |
| private: |
| Q_DISABLE_COPY(QOpenGLWindow) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_OPENGL |
| |
| #endif |