| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QOPENGLWINDOW_H |
| 5 | #define QOPENGLWINDOW_H |
| 6 | |
| 7 | #include <QtOpenGL/qtopenglglobal.h> |
| 8 | |
| 9 | #ifndef QT_NO_OPENGL |
| 10 | |
| 11 | #include <QtGui/QPaintDeviceWindow> |
| 12 | #include <QtGui/QOpenGLContext> |
| 13 | #include <QtGui/QImage> |
| 14 | |
| 15 | QT_BEGIN_NAMESPACE |
| 16 | |
| 17 | class QOpenGLWindowPrivate; |
| 18 | |
| 19 | class Q_OPENGL_EXPORT QOpenGLWindow : public QPaintDeviceWindow |
| 20 | { |
| 21 | Q_OBJECT |
| 22 | Q_DECLARE_PRIVATE(QOpenGLWindow) |
| 23 | |
| 24 | public: |
| 25 | enum UpdateBehavior { |
| 26 | NoPartialUpdate, |
| 27 | PartialUpdateBlit, |
| 28 | PartialUpdateBlend |
| 29 | }; |
| 30 | |
| 31 | explicit QOpenGLWindow(UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr); |
| 32 | explicit QOpenGLWindow(QOpenGLContext *shareContext, UpdateBehavior updateBehavior = NoPartialUpdate, QWindow *parent = nullptr); |
| 33 | ~QOpenGLWindow(); |
| 34 | |
| 35 | UpdateBehavior updateBehavior() const; |
| 36 | bool isValid() const; |
| 37 | |
| 38 | void makeCurrent(); |
| 39 | void doneCurrent(); |
| 40 | |
| 41 | QOpenGLContext *context() const; |
| 42 | QOpenGLContext *shareContext() const; |
| 43 | |
| 44 | GLuint defaultFramebufferObject() const; |
| 45 | |
| 46 | QImage grabFramebuffer(); |
| 47 | |
| 48 | Q_SIGNALS: |
| 49 | void frameSwapped(); |
| 50 | |
| 51 | protected: |
| 52 | virtual void initializeGL(); |
| 53 | virtual void resizeGL(int w, int h); |
| 54 | virtual void paintGL(); |
| 55 | virtual void paintUnderGL(); |
| 56 | virtual void paintOverGL(); |
| 57 | |
| 58 | void paintEvent(QPaintEvent *event) override; |
| 59 | void resizeEvent(QResizeEvent *event) override; |
| 60 | int metric(PaintDeviceMetric metric) const override; |
| 61 | QPaintDevice *redirected(QPoint *) const override; |
| 62 | |
| 63 | private: |
| 64 | Q_DISABLE_COPY(QOpenGLWindow) |
| 65 | }; |
| 66 | |
| 67 | QT_END_NAMESPACE |
| 68 | |
| 69 | #endif // QT_NO_OPENGL |
| 70 | |
| 71 | #endif |
| 72 |