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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** 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 met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSGENGINE_H
#define QSGENGINE_H
#include <QObject>
#include <QtQuick/qsgtexture.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QSGEnginePrivate;
class QQuickCanvas;
class Q_QUICK_EXPORT QSGEngine : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QSGEngine)
public:
enum TextureOption {
TextureHasAlphaChannel = 0x0001,
TextureHasMipmaps = 0x0002,
TextureOwnsGLTexture = 0x0004
};
Q_DECLARE_FLAGS(TextureOptions, TextureOption)
QSGTexture *createTextureFromImage(const QImage &image) const;
QSGTexture *createTextureFromId(uint id, const QSize &size, TextureOptions options = TextureOption(0)) const;
void setClearBeforeRendering(bool enabled);
bool clearBeforeRendering() const;
void setClearColor(const QColor &color);
QColor clearColor() const;
Q_SIGNALS:
void beforeRendering();
void afterRendering();
private:
QSGEngine(QObject *parent = 0);
~QSGEngine();
friend class QSGContext;
friend class QSGContextPrivate;
friend class QQuickCanvasPrivate;
void setCanvas(QQuickCanvas *canvas);
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSGENGINE_H
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