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qpaintengine_pic_p.h

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef QPAINTENGINE_PIC_P_H
#define QPAINTENGINE_PIC_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of QAbstractItemModel*.  This header file may change from version
// to version without notice, or even be removed.
//
// We mean it.
//
//

#include "QtGui/qpaintengine.h"

#ifndef QT_NO_PICTURE

class QPicturePaintEnginePrivate;
class QBuffer;

class QPicturePaintEngine : public QPaintEngine
{
    Q_DECLARE_PRIVATE(QPicturePaintEngine)
public:
    QPicturePaintEngine();
    ~QPicturePaintEngine();

    bool begin(QPaintDevice *pdev);
    bool end();

    void updateState(const QPaintEngineState &state);

    void updatePen(const QPen &pen);
    void updateBrush(const QBrush &brush, const QPointF &origin);
    void updateFont(const QFont &font);
    void updateBackground(Qt::BGMode bgmode, const QBrush &bgBrush);
    void updateMatrix(const QMatrix &matrix);
    void updateClipRegion(const QRegion &region, Qt::ClipOperation op);
    void updateClipPath(const QPainterPath &path, Qt::ClipOperation op);
    void updateRenderHints(QPainter::RenderHints hints);

    void drawPath(const QPainterPath &path);
    void drawPolygon(const QPointF *points, int numPoints, PolygonDrawMode mode);
#ifdef Q_NO_USING_KEYWORD
    inline void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode)
        { QPaintEngine::drawPolygon(points, pointCount, mode); }
#else
    using QPaintEngine::drawPolygon;
#endif

    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
    void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
    void drawTextItem(const QPointF &p, const QTextItem &ti);

    Type type() const { return Picture; }

protected:
    QPicturePaintEngine(QPaintEnginePrivate &dptr);

private:
    Q_DISABLE_COPY(QPicturePaintEngine)

    void writeCmdLength(int pos, const QRectF &r, bool corr);
};

#endif // QT_NO_PICTURE

#endif // QPAINTENGINE_PIC_P_H

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