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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/opengl/qglpixelbuffer.h
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtOpenGL module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGLPIXELBUFFER_H
+#define QGLPIXELBUFFER_H
+
+#include <QtOpenGL/qgl.h>
+#include <QtGui/qpaintdevice.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(OpenGL)
+
+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 = 0);
+ QGLPixelBuffer(int width, int height, const QGLFormat &format = QGLFormat::defaultFormat(),
+ QGLWidget *shareWidget = 0);
+ virtual ~QGLPixelBuffer();
+
+ bool isValid() const;
+ bool makeCurrent();
+ bool doneCurrent();
+
+ 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);
+
+#ifdef Q_MAC_COMPAT_GL_FUNCTIONS
+ bool bindToDynamicTexture(QMacCompatGLuint texture);
+ void updateDynamicTexture(QMacCompatGLuint texture_id) const;
+ GLuint bindTexture(const QImage &image, QMacCompatGLenum target = GL_TEXTURE_2D);
+ GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum target = GL_TEXTURE_2D);
+
+ void drawTexture(const QRectF &target, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
+ void drawTexture(const QPointF &point, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
+
+ void deleteTexture(QMacCompatGLuint texture_id);
+#endif
+
+ QSize size() const;
+ Qt::HANDLE handle() const;
+ QImage toImage() const;
+
+ QPaintEngine *paintEngine() const;
+ QGLFormat format() const;
+
+ static bool hasOpenGLPbuffers();
+
+protected:
+ int metric(PaintDeviceMetric metric) const;
+ int devType() const { return QInternal::Pbuffer; }
+
+private:
+ Q_DISABLE_COPY(QGLPixelBuffer)
+ QGLPixelBufferPrivate *d_ptr;
+ friend class QGLDrawable;
+ friend class QGLWindowSurface;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QGLPIXELBUFFER_H