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** This file may be used under the terms of the GNU Lesser General Public
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** Public License version 3.0 as published by the Free Software Foundation
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** file. Please review the following information to ensure the GNU General
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****************************************************************************/
#include <private/qpaintengine_s60_p.h>
#include <private/qpixmap_s60_p.h>
#include <private/qt_s60_p.h>
#include <private/qvolatileimage_p.h>

QT_BEGIN_NAMESPACE

class QS60PaintEnginePrivate : public QRasterPaintEnginePrivate
{
public:
    QS60PaintEnginePrivate() {}
};

QS60PaintEngine::QS60PaintEngine(QPaintDevice *device, QS60PixmapData *data)
    : QRasterPaintEngine(*(new QS60PaintEnginePrivate), device), pixmapData(data)
{
}

bool QS60PaintEngine::begin(QPaintDevice *device)
{
    Q_D(QS60PaintEngine);

    if (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 QS60PaintEngine::end()
{
    if (pixmapData->classId() == QPixmapData::RasterClass) {
        bool ret = QRasterPaintEngine::end();
        pixmapData->endDataAccess();
        return ret;
    }
    return QRasterPaintEngine::end();
}

void QS60PaintEngine::drawPixmap(const QPointF &p, const QPixmap &pm)
{
    if (pm.pixmapData()->classId() == QPixmapData::RasterClass) {
        QS60PixmapData *srcData = static_cast<QS60PixmapData *>(pm.pixmapData());
        srcData->beginDataAccess();
        QRasterPaintEngine::drawPixmap(p, pm);
        srcData->endDataAccess();
    } else {
        void *nativeData = pm.pixmapData()->toNativeType(QPixmapData::VolatileImage);
        if (nativeData) {
            QVolatileImage *img = static_cast<QVolatileImage *>(nativeData);
            img->beginDataAccess();
            QRasterPaintEngine::drawImage(p, img->imageRef());
            img->endDataAccess(true);
        } else {
            QRasterPaintEngine::drawPixmap(p, pm);
        }
    }
}

void QS60PaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
{
    if (pm.pixmapData()->classId() == QPixmapData::RasterClass) {
        QS60PixmapData *srcData = static_cast<QS60PixmapData *>(pm.pixmapData());
        srcData->beginDataAccess();
        QRasterPaintEngine::drawPixmap(r, pm, sr);
        srcData->endDataAccess();
    } else {
        void *nativeData = pm.pixmapData()->toNativeType(QPixmapData::VolatileImage);
        if (nativeData) {
            QVolatileImage *img = static_cast<QVolatileImage *>(nativeData);
            img->beginDataAccess();
            QRasterPaintEngine::drawImage(r, img->imageRef(), sr);
            img->endDataAccess(true);
        } else {
            QRasterPaintEngine::drawPixmap(r, pm, sr);
        }
    }
}

void QS60PaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &sr)
{
    if (pm.pixmapData()->classId() == QPixmapData::RasterClass) {
        QS60PixmapData *srcData = static_cast<QS60PixmapData *>(pm.pixmapData());
        srcData->beginDataAccess();
        QRasterPaintEngine::drawTiledPixmap(r, pm, sr);
        srcData->endDataAccess();
    } else {
        QRasterPaintEngine::drawTiledPixmap(r, pm, sr);
    }
}

void QS60PaintEngine::prepare(QImage *image)
{
    QRasterBuffer *buffer = d_func()->rasterBuffer.data();
    if (buffer)
        buffer->prepare(image);
}

QT_END_NAMESPACE