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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPIXMAP_BLITTER_P_H
#define QPIXMAP_BLITTER_P_H
#include <private/qpixmapdata_p.h>
#include <private/qpaintengine_blitter_p.h>
#ifndef QT_NO_BLITTABLE
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QBlittablePixmapData : public QPixmapData
{
// Q_DECLARE_PRIVATE(QBlittablePixmapData);
public:
QBlittablePixmapData();
~QBlittablePixmapData();
virtual QBlittable *createBlittable(const QSize &size, bool alpha) const = 0;
QBlittable *blittable() const;
void setBlittable(QBlittable *blittable);
void resize(int width, int height);
int metric(QPaintDevice::PaintDeviceMetric metric) const;
void fill(const QColor &color);
QImage *buffer();
QImage toImage() const;
bool hasAlphaChannel() const;
void fromImage(const QImage &image, Qt::ImageConversionFlags flags);
QPaintEngine *paintEngine() const;
void markRasterOverlay(const QRectF &);
void markRasterOverlay(const QPointF &, const QTextItem &);
void markRasterOverlay(const QVectorPath &);
void markRasterOverlay(const QRect *rects, int rectCount);
void markRasterOverlay(const QRectF *rects, int rectCount);
void unmarkRasterOverlay(const QRectF &);
#ifdef QT_BLITTER_RASTEROVERLAY
void mergeOverlay();
void unmergeOverlay();
QImage *overlay();
#endif //QT_BLITTER_RASTEROVERLAY
protected:
QScopedPointer<QBlitterPaintEngine> m_engine;
QScopedPointer<QBlittable> m_blittable;
bool m_alpha;
#ifdef QT_BLITTER_RASTEROVERLAY
QImage *m_rasterOverlay;
QImage *m_unmergedCopy;
QColor m_overlayColor;
void markRasterOverlayImpl(const QRectF &);
void unmarkRasterOverlayImpl(const QRectF &);
QRectF clipAndTransformRect(const QRectF &) const;
#endif //QT_BLITTER_RASTEROVERLAY
};
inline void QBlittablePixmapData::markRasterOverlay(const QRectF &rect)
{
#ifdef QT_BLITTER_RASTEROVERLAY
markRasterOverlayImpl(rect);
#else
Q_UNUSED(rect)
#endif
}
inline void QBlittablePixmapData::markRasterOverlay(const QVectorPath &path)
{
#ifdef QT_BLITTER_RASTEROVERLAY
markRasterOverlayImpl(path.convertToPainterPath().boundingRect());
#else
Q_UNUSED(path)
#endif
}
inline void QBlittablePixmapData::markRasterOverlay(const QPointF &pos, const QTextItem &ti)
{
#ifdef QT_BLITTER_RASTEROVERLAY
QFontMetricsF fm(ti.font());
QRectF rect = fm.tightBoundingRect(ti.text());
rect.moveBottomLeft(pos);
markRasterOverlay(rect);
#else
Q_UNUSED(pos)
Q_UNUSED(ti)
#endif
}
inline void QBlittablePixmapData::markRasterOverlay(const QRect *rects, int rectCount)
{
#ifdef QT_BLITTER_RASTEROVERLAY
for (int i = 0; i < rectCount; i++) {
markRasterOverlay(rects[i]);
}
#else
Q_UNUSED(rects)
Q_UNUSED(rectCount)
#endif
}
inline void QBlittablePixmapData::markRasterOverlay(const QRectF *rects, int rectCount)
{
#ifdef QT_BLITTER_RASTEROVERLAY
for (int i = 0; i < rectCount; i++) {
markRasterOverlay(rects[i]);
}
#else
Q_UNUSED(rects)
Q_UNUSED(rectCount)
#endif
}
inline void QBlittablePixmapData::unmarkRasterOverlay(const QRectF &rect)
{
#ifdef QT_BLITTER_RASTEROVERLAY
unmarkRasterOverlayImpl(rect);
#else
Q_UNUSED(rect)
#endif
}
QT_END_NAMESPACE
#endif // QT_NO_BLITTABLE
#endif // QPIXMAP_BLITTER_P_H
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