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#include "qmeegoliveimage.h"
#include "qmeegoliveimage_p.h"
#include "qmeegolivepixmap.h"
#include "qmeegolivepixmap_p.h"

/* QMeeGoLiveImagePrivate */

QMeeGoLiveImagePrivate::QMeeGoLiveImagePrivate()
{
}

QMeeGoLiveImagePrivate::~QMeeGoLiveImagePrivate()
{
    if (attachedPixmaps.length() > 0)
        qWarning("Destroying QMeeGoLiveImage but it still has QMeeGoLivePixmaps attached!");
}

void QMeeGoLiveImagePrivate::attachPixmap(QMeeGoLivePixmap* pixmap)
{
    attachedPixmaps << pixmap;
}

void QMeeGoLiveImagePrivate::detachPixmap(QMeeGoLivePixmap* pixmap)
{
    attachedPixmaps.removeAll(pixmap);
}

/* QMeeGoLiveImage */

QMeeGoLiveImage* QMeeGoLiveImage::liveImageWithSize(int w, int h, Format format, int buffers)
{
    if (format != Format_ARGB32_Premultiplied) {
        qWarning("Only _ARGB32_Premultiplied format is supported for live images now!");
        return 0;
    }
    
    if (buffers != 1) {
        qWarning("Only single-buffer streams are supported at the moment");
        return 0;
    }
    
    QMeeGoLiveImage *liveImage = new QMeeGoLiveImage(w, h);
    return liveImage;
}

QMeeGoLiveImage::QMeeGoLiveImage(int w, int h) : QImage(w, h, QImage::Format_ARGB32_Premultiplied), d_ptr(new QMeeGoLiveImagePrivate())
{
    Q_D(QMeeGoLiveImage);
    d->q_ptr = this;
}

QMeeGoLiveImage::~QMeeGoLiveImage()
{
}

void QMeeGoLiveImage::lock(int buffer)
{
    if (buffer != 0)
        qWarning("Only locking 0 buffer is supported at the moment!");
}

void QMeeGoLiveImage::release(int buffer)
{
    Q_D(QMeeGoLiveImage);
    
    if (buffer != 0) {
        qWarning("Only locking 0 buffer is supported at the moment!");
        return;
    }

    // We need to copy the update image to all the client QMeeGoLivePixmap's
    foreach (QMeeGoLivePixmap* livePixmap, d->attachedPixmaps) 
        livePixmap->d_ptr->copyBackFrom((const void *) bits());
}