/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
** Alternatively, 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
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** 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
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****************************************************************************/

#ifndef QQUICKIMAGE_P_H
#define QQUICKIMAGE_P_H

#include "qquickimagebase_p.h"
#include <QtQuick/qsgtextureprovider.h>

QT_BEGIN_NAMESPACE

class QQuickImagePrivate;
class Q_AUTOTEST_EXPORT QQuickImage : public QQuickImageBase
{
    Q_OBJECT
    Q_ENUMS(FillMode)
    Q_ENUMS(HAlignment)
    Q_ENUMS(VAlignment)

    Q_PROPERTY(FillMode fillMode READ fillMode WRITE setFillMode NOTIFY fillModeChanged)
    Q_PROPERTY(qreal paintedWidth READ paintedWidth NOTIFY paintedGeometryChanged)
    Q_PROPERTY(qreal paintedHeight READ paintedHeight NOTIFY paintedGeometryChanged)
    Q_PROPERTY(HAlignment horizontalAlignment READ horizontalAlignment WRITE setHorizontalAlignment NOTIFY horizontalAlignmentChanged)
    Q_PROPERTY(VAlignment verticalAlignment READ verticalAlignment WRITE setVerticalAlignment NOTIFY verticalAlignmentChanged)

public:
    QQuickImage(QQuickItem *parent=0);
    ~QQuickImage();

    enum HAlignment { AlignLeft = Qt::AlignLeft,
                       AlignRight = Qt::AlignRight,
                       AlignHCenter = Qt::AlignHCenter };
    enum VAlignment { AlignTop = Qt::AlignTop,
                       AlignBottom = Qt::AlignBottom,
                       AlignVCenter = Qt::AlignVCenter };

    enum FillMode { Stretch, PreserveAspectFit, PreserveAspectCrop, Tile, TileVertically, TileHorizontally, Pad };

    FillMode fillMode() const;
    void setFillMode(FillMode);

    qreal paintedWidth() const;
    qreal paintedHeight() const;

    QRectF boundingRect() const;

    HAlignment horizontalAlignment() const;
    void setHorizontalAlignment(HAlignment align);

    VAlignment verticalAlignment() const;
    void setVerticalAlignment(VAlignment align);

    bool isTextureProvider() const { return true; }
    QSGTextureProvider *textureProvider() const;

Q_SIGNALS:
    void fillModeChanged();
    void paintedGeometryChanged();
    void horizontalAlignmentChanged(HAlignment alignment);
    void verticalAlignmentChanged(VAlignment alignment);

protected:
    QQuickImage(QQuickImagePrivate &dd, QQuickItem *parent);
    void pixmapChange();
    void updatePaintedGeometry();

    virtual void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
    virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);

private:
    Q_DISABLE_COPY(QQuickImage)
    Q_DECLARE_PRIVATE(QQuickImage)
};

QT_END_NAMESPACE
QML_DECLARE_TYPE(QQuickImage)
#endif // QQUICKIMAGE_P_H
