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#include "qimagevideobuffer_p.h"

#include "qabstractvideobuffer_p.h"

#include <qimage.h>

#include <qvariant.h>

QT_BEGIN_NAMESPACE

class QImageVideoBufferPrivate : public QAbstractVideoBufferPrivate

{

public:

    QImageVideoBufferPrivate()

        : mapMode(QAbstractVideoBuffer::NotMapped)

    {

    }

    QAbstractVideoBuffer::MapMode mapMode;

    QImage image;

};

QImageVideoBuffer::QImageVideoBuffer(const QImage &image)

    : QAbstractVideoBuffer(*new QImageVideoBufferPrivate, NoHandle)

{

    Q_D(QImageVideoBuffer);

    d->image = image;

}

QImageVideoBuffer::~QImageVideoBuffer()

{

}

QAbstractVideoBuffer::MapMode QImageVideoBuffer::mapMode() const

{

    return d_func()->mapMode;

}

uchar *QImageVideoBuffer::map(MapMode mode, int *numBytes, int *bytesPerLine)

{

    Q_D(QImageVideoBuffer);

    if (d->mapMode == NotMapped && d->image.bits() && mode != NotMapped) {

        d->mapMode = mode;

        if (numBytes)

            *numBytes = d->image.byteCount();

        if (bytesPerLine)

            *bytesPerLine = d->image.bytesPerLine();

        return d->image.bits();

    } else {

        return 0;

    }

}

void QImageVideoBuffer::unmap()

{

    Q_D(QImageVideoBuffer);

    d->mapMode = NotMapped;

}

QT_END_NAMESPACE