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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/qglpaintdevice_p.h>
#include <private/qgl_p.h>
QGLPaintDevice::QGLPaintDevice()
: m_context(0)
{
}
QGLPaintDevice::~QGLPaintDevice()
{
}
//extern QPaintEngine* qt_gl_engine(); // in qgl.cpp
//extern QPaintEngine* qt_gl_2_engine(); // in qgl.cpp
//inline bool qt_gl_preferGL2Engine()
//{
//#if defined(QT_OPENGL_ES_2)
// return true;
//#else
// return (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0)
// && qgetenv("QT_GL_USE_OPENGL1ENGINE").isEmpty();
//#endif
//}
//QPaintEngine* QGLPaintDevice::paintEngine() const
//{
//#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL)
// return qt_gl_engine();
//#elif defined(QT_OPENGL_ES_2)
// return qt_gl_2_engine();
//#else
// if (!qt_gl_preferGL2Engine())
// return qt_gl_engine();
// else
// return qt_gl_2_engine();
//#endif
//}
void QGLPaintDevice::beginPaint()
{
m_context->makeCurrent();
}
void QGLPaintDevice::endPaint()
{
}
QColor QGLPaintDevice::backgroundColor() const
{
return QColor();
}
bool QGLPaintDevice::autoFillBackground() const
{
return false;
}
bool QGLPaintDevice::hasTransparentBackground() const
{
return false;
}
QGLContext* QGLPaintDevice::context() const
{
return m_context;
}
QGLFormat QGLPaintDevice::format() const
{
return m_context->format();
}
QSize QGLPaintDevice::size() const
{
return QSize();
}
void QGLPaintDevice::setContext(QGLContext* c)
{
m_context = c;
}
QGLWidgetGLPaintDevice::QGLWidgetGLPaintDevice()
{
}
QPaintEngine* QGLWidgetGLPaintDevice::paintEngine() const
{
return glWidget->paintEngine();
}
QColor QGLWidgetGLPaintDevice::backgroundColor() const
{
return glWidget->palette().brush(glWidget->backgroundRole()).color();
}
bool QGLWidgetGLPaintDevice::autoFillBackground() const
{
return glWidget->autoFillBackground();
}
bool QGLWidgetGLPaintDevice::hasTransparentBackground() const
{
return glWidget->testAttribute(Qt::WA_TranslucentBackground);
}
void QGLWidgetGLPaintDevice::setWidget(QGLWidget* w)
{
glWidget = w;
}
//void QGLWidgetGLPaintDevice::beginPaint()
//{
// glWidget->makeCurrent();
//}
void QGLWidgetGLPaintDevice::endPaint()
{
if (glWidget->autoBufferSwap())
glWidget->swapBuffers();
}
QSize QGLWidgetGLPaintDevice::size() const
{
return glWidget->size();
}
// returns the QGLPaintDevice for the given QPaintDevice
QGLPaintDevice* QGLPaintDevice::getDevice(QPaintDevice* pd)
{
QGLPaintDevice* glpd = 0;
switch(pd->devType()) {
case QInternal::Widget:
// Should not be called on a non-gl widget:
Q_ASSERT(qobject_cast<QGLWidget*>(static_cast<QWidget*>(pd)));
glpd = &(static_cast<QGLWidget*>(pd)->d_func()->glDevice);
break;
default:
qWarning("QGLPaintDevice::getDevice() - Unknown device type %d", pd->devType());
break;
}
return glpd;
}
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