src/declarative/graphicsitems/qdeclarativepainteditem_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 10:37:55 +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 QtDeclarative 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 QDECLARATIVEIMAGEITEM_H
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#define QDECLARATIVEIMAGEITEM_H
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#include "qdeclarativeitem.h"
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Declarative)
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class QDeclarativePaintedItemPrivate;
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class Q_AUTOTEST_EXPORT QDeclarativePaintedItem : public QDeclarativeItem
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{
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    Q_OBJECT
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    Q_PROPERTY(QSize contentsSize READ contentsSize WRITE setContentsSize NOTIFY contentsSizeChanged)
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    Q_PROPERTY(QColor fillColor READ fillColor WRITE setFillColor NOTIFY fillColorChanged)
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    Q_PROPERTY(int pixelCacheSize READ pixelCacheSize WRITE setPixelCacheSize)
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    Q_PROPERTY(bool smoothCache READ smoothCache WRITE setSmoothCache)
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    Q_PROPERTY(qreal contentsScale READ contentsScale WRITE setContentsScale NOTIFY contentsScaleChanged)
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public:
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    QDeclarativePaintedItem(QDeclarativeItem *parent=0);
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    ~QDeclarativePaintedItem();
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    QSize contentsSize() const;
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    void setContentsSize(const QSize &);
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    qreal contentsScale() const;
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    void setContentsScale(qreal);
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    int pixelCacheSize() const;
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    void setPixelCacheSize(int pixels);
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    bool smoothCache() const;
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    void setSmoothCache(bool on);
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    QColor fillColor() const;
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    void setFillColor(const QColor&);
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    void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
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protected:
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    QDeclarativePaintedItem(QDeclarativePaintedItemPrivate &dd, QDeclarativeItem *parent);
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    virtual void drawContents(QPainter *p, const QRect &) = 0;
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    virtual void geometryChanged(const QRectF &newGeometry,
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                                 const QRectF &oldGeometry);
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    virtual QVariant itemChange(GraphicsItemChange change,
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                                const QVariant &value);
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    void setCacheFrozen(bool);
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    QRectF boundingRect() const;
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Q_SIGNALS:
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    void fillColorChanged();
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    void contentsSizeChanged();
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    void contentsScaleChanged();
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protected Q_SLOTS:
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    void dirtyCache(const QRect &);
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    void clearCache();
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private:
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    Q_DISABLE_COPY(QDeclarativePaintedItem)
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    Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QDeclarativePaintedItem)
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};
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QT_END_NAMESPACE
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QML_DECLARE_TYPE(QDeclarativePaintedItem)
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QT_END_HEADER
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#endif