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122 lines
4.4 KiB
122 lines
4.4 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtOpenGL module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGLPIXELBUFFER_H
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#define QGLPIXELBUFFER_H
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#include <QtOpenGL/qgl.h>
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#include <QtGui/qpaintdevice.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(OpenGL)
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class QGLPixelBufferPrivate;
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class Q_OPENGL_EXPORT QGLPixelBuffer : public QPaintDevice
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{
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Q_DECLARE_PRIVATE(QGLPixelBuffer)
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public:
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QGLPixelBuffer(const QSize &size, const QGLFormat &format = QGLFormat::defaultFormat(),
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QGLWidget *shareWidget = 0);
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QGLPixelBuffer(int width, int height, const QGLFormat &format = QGLFormat::defaultFormat(),
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QGLWidget *shareWidget = 0);
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virtual ~QGLPixelBuffer();
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bool isValid() const;
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bool makeCurrent();
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bool doneCurrent();
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GLuint generateDynamicTexture() const;
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bool bindToDynamicTexture(GLuint texture);
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void releaseFromDynamicTexture();
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void updateDynamicTexture(GLuint texture_id) const;
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GLuint bindTexture(const QImage &image, GLenum target = GL_TEXTURE_2D);
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GLuint bindTexture(const QPixmap &pixmap, GLenum target = GL_TEXTURE_2D);
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GLuint bindTexture(const QString &fileName);
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void deleteTexture(GLuint texture_id);
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void drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
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void drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
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#ifdef Q_MAC_COMPAT_GL_FUNCTIONS
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bool bindToDynamicTexture(QMacCompatGLuint texture);
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void updateDynamicTexture(QMacCompatGLuint texture_id) const;
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GLuint bindTexture(const QImage &image, QMacCompatGLenum target = GL_TEXTURE_2D);
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GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum target = GL_TEXTURE_2D);
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void drawTexture(const QRectF &target, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
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void drawTexture(const QPointF &point, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
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void deleteTexture(QMacCompatGLuint texture_id);
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#endif
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QSize size() const;
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Qt::HANDLE handle() const;
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QImage toImage() const;
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QPaintEngine *paintEngine() const;
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QGLFormat format() const;
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static bool hasOpenGLPbuffers();
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protected:
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int metric(PaintDeviceMetric metric) const;
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int devType() const { return QInternal::Pbuffer; }
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private:
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Q_DISABLE_COPY(QGLPixelBuffer)
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QScopedPointer<QGLPixelBufferPrivate> d_ptr;
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friend class QGLDrawable;
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friend class QGLWindowSurface;
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friend class QGLPaintDevice;
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friend class QGLPBufferGLPaintDevice;
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QGLPIXELBUFFER_H
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