/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
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** This file is part of the Qt3D module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
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****************************************************************************/

#include "quick3drendertarget.h"

QT_BEGIN_NAMESPACE

namespace Qt3DRender {
namespace Render {
namespace Quick {

Quick3DRenderTarget::Quick3DRenderTarget(QObject * parent)
    : QObject(parent)
{
}

QQmlListProperty<QRenderAttachment> Quick3DRenderTarget::qmlAttachments()
{
    return QQmlListProperty<QRenderAttachment>(this, 0,
                                               &Quick3DRenderTarget::appendRenderAttachment,
                                               &Quick3DRenderTarget::renderAttachmentCount,
                                               &Quick3DRenderTarget::renderAttachmentAt,
                                               &Quick3DRenderTarget::clearRenderAttachments);
}

void Quick3DRenderTarget::appendRenderAttachment(QQmlListProperty<QRenderAttachment> *list, QRenderAttachment *attachment)
{
    Quick3DRenderTarget *rT = qobject_cast<Quick3DRenderTarget *>(list->object);
    if (rT)
        rT->parentRenderTarget()->addAttachment(attachment);
}

QRenderAttachment *Quick3DRenderTarget::renderAttachmentAt(QQmlListProperty<QRenderAttachment> *list, int index)
{
    Quick3DRenderTarget *rT = qobject_cast<Quick3DRenderTarget *>(list->object);
    if (rT)
        return rT->parentRenderTarget()->attachments().at(index);
    return Q_NULLPTR;
}

int Quick3DRenderTarget::renderAttachmentCount(QQmlListProperty<QRenderAttachment> *list)
{
    Quick3DRenderTarget *rT = qobject_cast<Quick3DRenderTarget *>(list->object);
    if (rT)
        return rT->parentRenderTarget()->attachments().count();
    return -1;
}

void Quick3DRenderTarget::clearRenderAttachments(QQmlListProperty<QRenderAttachment> *list)
{
    Quick3DRenderTarget *rT = qobject_cast<Quick3DRenderTarget *>(list->object);
    if (rT) {
        Q_FOREACH (QRenderAttachment *att, rT->parentRenderTarget()->attachments())
            rT->parentRenderTarget()->removeAttachment(att);
    }
}

} // namespace Quick
} // namespace Render
} // namespace Qt3DRender

QT_END_NAMESPACE