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#ifndef QPIXMAPCACHE_P_H

#define QPIXMAPCACHE_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. This header

// file may change from version to version without notice, or even be removed.

//

// We mean it.

//

#include "qpixmapcache.h"

#include "qpaintengine.h"

#include <private/qimage_p.h>

#include <private/qpixmap_raster_p.h>

#include "qcache.h"

QT_BEGIN_NAMESPACE

uint qHash(const QPixmapCache::Key &k);

class QPixmapCache::KeyData

{

public:

    KeyData() : isValid(true), key(0), ref(1) {}

    KeyData(const KeyData &other)

     : isValid(other.isValid), key(other.key), ref(1) {}

    ~KeyData() {}

    bool isValid;

    int key;

    int ref;

};

// XXX: hw: is this a general concept we need to abstract?

class QPixmapCacheEntry : public QPixmap

{

public:

    QPixmapCacheEntry(const QPixmapCache::Key &key, const QPixmap &pix) : QPixmap(pix), key(key)

    {

        if (data && data->classId() == QPixmapData::RasterClass) {

            QRasterPixmapData *d = static_cast<QRasterPixmapData*>(data.data());

            if (!d->image.isNull() && d->image.d->paintEngine

                && !d->image.d->paintEngine->isActive())

            {

                delete d->image.d->paintEngine;

                d->image.d->paintEngine = 0;

            }

        }

    }

    ~QPixmapCacheEntry();

    QPixmapCache::Key key;

};

QT_END_NAMESPACE

#endif // QPIXMAPCACHE_P_H