src/gui/image/qpaintengine_pic_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:40:13 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPAINTENGINE_PIC_P_H
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#define QPAINTENGINE_PIC_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists for the convenience
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// of QAbstractItemModel*.  This header file may change from version
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// to version without notice, or even be removed.
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//
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// We mean it.
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//
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//
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#include "QtGui/qpaintengine.h"
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#ifndef QT_NO_PICTURE
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QT_BEGIN_NAMESPACE
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class QPicturePaintEnginePrivate;
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class QBuffer;
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class QPicturePaintEngine : public QPaintEngine
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{
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    Q_DECLARE_PRIVATE(QPicturePaintEngine)
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public:
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    QPicturePaintEngine();
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    ~QPicturePaintEngine();
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    bool begin(QPaintDevice *pdev);
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    bool end();
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    void updateState(const QPaintEngineState &state);
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    void updatePen(const QPen &pen);
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    void updateBrush(const QBrush &brush);
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    void updateBrushOrigin(const QPointF &origin);
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    void updateFont(const QFont &font);
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    void updateBackground(Qt::BGMode bgmode, const QBrush &bgBrush);
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    void updateMatrix(const QTransform &matrix);
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    void updateClipRegion(const QRegion &region, Qt::ClipOperation op);
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    void updateClipPath(const QPainterPath &path, Qt::ClipOperation op);
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    void updateRenderHints(QPainter::RenderHints hints);
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    void updateCompositionMode(QPainter::CompositionMode cmode);
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    void updateClipEnabled(bool enabled);
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    void updateOpacity(qreal opacity);
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    void drawEllipse(const QRectF &rect);
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    void drawPath(const QPainterPath &path);
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    void drawPolygon(const QPointF *points, int numPoints, PolygonDrawMode mode);
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#ifdef Q_NO_USING_KEYWORD
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    inline void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode)
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        { QPaintEngine::drawPolygon(points, pointCount, mode); }
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#else
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    using QPaintEngine::drawPolygon;
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#endif
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    void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
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    void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
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    void drawImage(const QRectF &r, const QImage &image, const QRectF &sr,
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                   Qt::ImageConversionFlags flags = Qt::AutoColor);
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    void drawTextItem(const QPointF &p, const QTextItem &ti);
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    Type type() const { return Picture; }
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protected:
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    QPicturePaintEngine(QPaintEnginePrivate &dptr);
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private:
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    Q_DISABLE_COPY(QPicturePaintEngine)
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    void writeCmdLength(int pos, const QRectF &r, bool corr);
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};
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QT_END_NAMESPACE
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#endif // QT_NO_PICTURE
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#endif // QPAINTENGINE_PIC_P_H