Long live Qt 4.5!

1 files changed, 119 insertions, 0 deletions

diff --git a/src/opengl/qglpixelbuffer.h b/src/opengl/qglpixelbuffer.h
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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