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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdeclarativeparserstatus.h"
#include <QtQuick/qtquickglobal.h>
#include <QtGui/qcolor.h>
#include <QtCore/qobject.h>
#include <QtCore/qsize.h>
#include <QtCore/qvariant.h>
#include <QtGui/qopenglfunctions.h>
#ifndef QQUICKSHADEREFFECTMESH_P_H
#define QQUICKSHADEREFFECTMESH_P_H
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QSGGeometry;
class QRectF;
class Q_QUICK_EXPORT QQuickShaderEffectMesh : public QObject
{
Q_OBJECT
public:
QQuickShaderEffectMesh(QObject *parent = 0);
// If 'geometry' != 0, 'attributes' is the same as last time the function was called.
virtual QSGGeometry *updateGeometry(QSGGeometry *geometry, const QVector<QByteArray> &attributes, const QRectF &rect) = 0;
// If updateGeometry() fails, the reason should appear in the log.
virtual QString log() const { return QString(); }
Q_SIGNALS:
// Emitted when the geometry needs to be updated.
void geometryChanged();
};
class QQuickGridMesh : public QQuickShaderEffectMesh
{
Q_OBJECT
Q_PROPERTY(QSize resolution READ resolution WRITE setResolution NOTIFY resolutionChanged)
public:
QQuickGridMesh(QObject *parent = 0);
virtual QSGGeometry *updateGeometry(QSGGeometry *geometry, const QVector<QByteArray> &attributes, const QRectF &rect);
virtual QString log() const { return m_log; }
void setResolution(const QSize &res);
QSize resolution() const;
Q_SIGNALS:
void resolutionChanged();
private:
QSize m_resolution;
QString m_log;
};
inline QColor qt_premultiply_color(const QColor &c)
{
return QColor::fromRgbF(c.redF() * c.alphaF(), c.greenF() * c.alphaF(), c.blueF() * c.alphaF(), c.alphaF());
}
QT_END_NAMESPACE
QT_END_HEADER
#endif // QQUICKSHADEREFFECTMESH_P_H
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