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Diffstat (limited to 'src/quick/scenegraph/util/qsgengine.h')
-rw-r--r-- | src/quick/scenegraph/util/qsgengine.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/quick/scenegraph/util/qsgengine.h b/src/quick/scenegraph/util/qsgengine.h new file mode 100644 index 0000000000..6b7ceb939f --- /dev/null +++ b/src/quick/scenegraph/util/qsgengine.h @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** 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 |