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- /****************************************************************************
- **
- ** Copyright (C) 2016 The Qt Company Ltd.
- ** Contact: https://www.qt.io/licensing/
- **
- ** This file is part of the QtOpenGL module of the Qt Toolkit.
- **
- ** $QT_BEGIN_LICENSE:LGPL$
- ** 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
- ** a written agreement between you and The Qt Company. For licensing terms
- ** and conditions see https://www.qt.io/terms-conditions. For further
- ** information use the contact form at https://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 3 as published by the Free Software
- ** Foundation and appearing in the file LICENSE.LGPL3 included in the
- ** packaging of this file. Please review the following information to
- ** ensure the GNU Lesser General Public License version 3 requirements
- ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License version 2.0 or (at your option) the GNU General
- ** Public license version 3 or any later version approved by the KDE Free
- ** Qt Foundation. The licenses are as published by the Free Software
- ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
- ** included in the packaging of this file. Please review the following
- ** information to ensure the GNU General Public License requirements will
- ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
- ** https://www.gnu.org/licenses/gpl-3.0.html.
- **
- ** $QT_END_LICENSE$
- **
- ****************************************************************************/
- #ifndef QGLPIXELBUFFER_H
- #define QGLPIXELBUFFER_H
- #include <QtOpenGL/qgl.h>
- #include <QtGui/qpaintdevice.h>
- QT_BEGIN_NAMESPACE
- class QGLPixelBufferPrivate;
- class Q_OPENGL_EXPORT QGLPixelBuffer : public QPaintDevice
- {
- Q_DECLARE_PRIVATE(QGLPixelBuffer)
- public:
- QGLPixelBuffer(const QSize &size, const QGLFormat &format = QGLFormat::defaultFormat(),
- QGLWidget *shareWidget = Q_NULLPTR);
- QGLPixelBuffer(int width, int height, const QGLFormat &format = QGLFormat::defaultFormat(),
- QGLWidget *shareWidget = Q_NULLPTR);
- virtual ~QGLPixelBuffer();
- bool isValid() const;
- bool makeCurrent();
- bool doneCurrent();
- QGLContext *context() const;
- GLuint generateDynamicTexture() const;
- bool bindToDynamicTexture(GLuint texture);
- void releaseFromDynamicTexture();
- void updateDynamicTexture(GLuint texture_id) const;
- GLuint bindTexture(const QImage &image, GLenum target = GL_TEXTURE_2D);
- GLuint bindTexture(const QPixmap &pixmap, GLenum target = GL_TEXTURE_2D);
- GLuint bindTexture(const QString &fileName);
- void deleteTexture(GLuint texture_id);
- void drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
- void drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
- QSize size() const;
- Qt::HANDLE handle() const;
- QImage toImage() const;
- QPaintEngine *paintEngine() const Q_DECL_OVERRIDE;
- QGLFormat format() const;
- static bool hasOpenGLPbuffers();
- protected:
- int metric(PaintDeviceMetric metric) const Q_DECL_OVERRIDE;
- int devType() const Q_DECL_OVERRIDE { return QInternal::Pbuffer; }
- private:
- Q_DISABLE_COPY(QGLPixelBuffer)
- QScopedPointer<QGLPixelBufferPrivate> d_ptr;
- friend class QGLDrawable;
- friend class QGLPaintDevice;
- friend class QGLPBufferGLPaintDevice;
- friend class QGLContextPrivate;
- };
- QT_END_NAMESPACE
- #endif // QGLPIXELBUFFER_H
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