| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
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| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 2.1 or version 3 as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.LGPLv21 and |
| ** LICENSE.LGPLv3 included in the packaging of this file. Please review the |
| ** following information to ensure the GNU Lesser General Public License |
| ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** As a special exception, The Qt Company gives you certain additional |
| ** rights. These rights are described in The Qt Company LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QOPENGLWIDGET_H |
| #define QOPENGLWIDGET_H |
| |
| #include <QtCore/qglobal.h> |
| |
| #ifndef QT_NO_OPENGL |
| |
| #include <QtWidgets/QWidget> |
| #include <QtGui/QSurfaceFormat> |
| #include <QtGui/qopengl.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QOpenGLWidgetPrivate; |
| |
| class Q_WIDGETS_EXPORT QOpenGLWidget : public QWidget |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QOpenGLWidget) |
| |
| public: |
| enum UpdateBehavior { |
| NoPartialUpdate, |
| PartialUpdate |
| }; |
| |
| explicit QOpenGLWidget(QWidget* parent = 0, Qt::WindowFlags f = 0); |
| ~QOpenGLWidget(); |
| |
| void setUpdateBehavior(UpdateBehavior updateBehavior); |
| UpdateBehavior updateBehavior() const; |
| |
| void setFormat(const QSurfaceFormat &format); |
| QSurfaceFormat format() const; |
| |
| bool isValid() const; |
| |
| void makeCurrent(); |
| void doneCurrent(); |
| |
| QOpenGLContext *context() const; |
| GLuint defaultFramebufferObject() const; |
| |
| QImage grabFramebuffer(); |
| |
| Q_SIGNALS: |
| void aboutToCompose(); |
| void frameSwapped(); |
| void aboutToResize(); |
| void resized(); |
| |
| protected: |
| virtual void initializeGL(); |
| virtual void resizeGL(int w, int h); |
| virtual void paintGL(); |
| |
| void paintEvent(QPaintEvent *e) Q_DECL_OVERRIDE; |
| void resizeEvent(QResizeEvent *e) Q_DECL_OVERRIDE; |
| bool event(QEvent *e) Q_DECL_OVERRIDE; |
| |
| int metric(QPaintDevice::PaintDeviceMetric metric) const Q_DECL_OVERRIDE; |
| QPaintDevice *redirected(QPoint *p) const Q_DECL_OVERRIDE; |
| QPaintEngine *paintEngine() const Q_DECL_OVERRIDE; |
| |
| private: |
| Q_DISABLE_COPY(QOpenGLWidget) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_OPENGL |
| |
| #endif // QOPENGLWIDGET_H |