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Diffstat (limited to 'src/imports/shaders/shadereffect.h')
-rw-r--r-- | src/imports/shaders/shadereffect.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/imports/shaders/shadereffect.h b/src/imports/shaders/shadereffect.h new file mode 100644 index 00000000..ac61d2ea --- /dev/null +++ b/src/imports/shaders/shadereffect.h @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QML Shaders plugin 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 SHADEREFFECT_H +#define SHADEREFFECT_H + +#include <QGraphicsEffect> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class ShaderEffectSource; + +class ShaderEffect : public QGraphicsEffect +{ + Q_OBJECT + +public: + ShaderEffect(QObject *parent = 0); + ~ShaderEffect(); + void addRenderTarget(ShaderEffectSource *target); + void removeRenderTarget(ShaderEffectSource *target); + +protected: + virtual void draw (QPainter *painter); + virtual void sourceChanged (ChangeFlags flags); + +private: + void prepareBufferedDraw(QPainter *painter); + void updateRenderTargets(); + bool hideOriginal() const; + +public: + QVector<ShaderEffectSource*> m_renderTargets; + bool m_changed : 1; +}; + +QT_END_HEADER + +QT_END_NAMESPACE + +#endif // SHADEREFFECT_H |