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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <private/qpaintengine_raster_symbian_p.h>
#include <private/qpixmap_raster_symbian_p.h>
#include <private/qt_s60_p.h>
#include <private/qvolatileimage_p.h>
QT_BEGIN_NAMESPACE
class QSymbianRasterPaintEnginePrivate : public QRasterPaintEnginePrivate
{
public:
QSymbianRasterPaintEnginePrivate() {}
};
QSymbianRasterPaintEngine::QSymbianRasterPaintEngine(QPaintDevice *device, QSymbianRasterPixmapData *data)
: QRasterPaintEngine(*(new QSymbianRasterPaintEnginePrivate), device), pixmapData(data)
{
}
bool QSymbianRasterPaintEngine::begin(QPaintDevice *device)
{
Q_D(QSymbianRasterPaintEngine);
if (pixmapData && pixmapData->classId() == QPixmapData::RasterClass) {
pixmapData->beginDataAccess();
bool ret = QRasterPaintEngine::begin(device);
// Make sure QPaintEngine::paintDevice() returns the proper device.
// QRasterPaintEngine changes pdev to QImage in case of RasterClass QPixmapData
// which is incorrect in Symbian.
d->pdev = device;
return ret;
}
return QRasterPaintEngine::begin(device);
}
bool QSymbianRasterPaintEngine::end()
{
if (pixmapData && pixmapData->classId() == QPixmapData::RasterClass) {
bool ret = QRasterPaintEngine::end();
pixmapData->endDataAccess();
return ret;
}
return QRasterPaintEngine::end();
}
void QSymbianRasterPaintEngine::drawPixmap(const QPointF &p, const QPixmap &pm)
{
if (pm.pixmapData()->classId() == QPixmapData::RasterClass) {
QSymbianRasterPixmapData *srcData = static_cast<QSymbianRasterPixmapData *>(pm.pixmapData());
srcData->beginDataAccess();
QRasterPaintEngine::drawPixmap(p, pm);
srcData->endDataAccess();
} else {
QVolatileImage img = pm.pixmapData()->toVolatileImage();
if (!img.isNull()) {
img.beginDataAccess();
// imageRef() would detach and since we received the QVolatileImage
// from toVolatileImage() by value, it would cause a copy which
// would ruin our goal. So use constImageRef() instead.
QRasterPaintEngine::drawImage(p, img.constImageRef());
img.endDataAccess(true);
} else {
QRasterPaintEngine::drawPixmap(p, pm);
}
}
}
void QSymbianRasterPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
{
if (pm.pixmapData()->classId() == QPixmapData::RasterClass) {
QSymbianRasterPixmapData *srcData = static_cast<QSymbianRasterPixmapData *>(pm.pixmapData());
srcData->beginDataAccess();
QRasterPaintEngine::drawPixmap(r, pm, sr);
srcData->endDataAccess();
} else {
QVolatileImage img = pm.pixmapData()->toVolatileImage();
if (!img.isNull()) {
img.beginDataAccess();
QRasterPaintEngine::drawImage(r, img.constImageRef(), sr);
img.endDataAccess(true);
} else {
QRasterPaintEngine::drawPixmap(r, pm, sr);
}
}
}
void QSymbianRasterPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &sr)
{
if (pm.pixmapData()->classId() == QPixmapData::RasterClass) {
QSymbianRasterPixmapData *srcData = static_cast<QSymbianRasterPixmapData *>(pm.pixmapData());
srcData->beginDataAccess();
QRasterPaintEngine::drawTiledPixmap(r, pm, sr);
srcData->endDataAccess();
} else {
QRasterPaintEngine::drawTiledPixmap(r, pm, sr);
}
}
// used by QSymbianRasterPixmapData::beginDataAccess()
void QSymbianRasterPaintEngine::prepare(QImage *image)
{
QRasterBuffer *buffer = d_func()->rasterBuffer.data();
if (buffer)
buffer->prepare(image);
}
QT_END_NAMESPACE
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