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/****************************************************************************
**
** Copyright (C) 2015 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Graphical Effects module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGFXSOURCEPROXY_P_H
#define QGFXSOURCEPROXY_P_H
#include <QtQuick/QQuickItem>
QT_BEGIN_NAMESPACE
class QQuickShaderEffectSource;
class QGfxSourceProxy : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QQuickItem *input READ input WRITE setInput NOTIFY inputChanged RESET resetInput)
Q_PROPERTY(QQuickItem *output READ output NOTIFY outputChanged)
Q_PROPERTY(QRectF sourceRect READ sourceRect WRITE setSourceRect NOTIFY sourceRectChanged)
Q_PROPERTY(bool active READ isActive NOTIFY activeChanged)
Q_PROPERTY(Interpolation interpolation READ interpolation WRITE setInterpolation NOTIFY interpolationChanged)
Q_ENUMS(Interpolation)
public:
enum Interpolation {
AnyInterpolation,
NearestInterpolation,
LinearInterpolation
};
QGfxSourceProxy(QQuickItem *item = 0);
~QGfxSourceProxy();
QQuickItem *input() const { return m_input; }
void setInput(QQuickItem *input);
void resetInput() { setInput(0); }
QQuickItem *output() const { return m_output; }
QRectF sourceRect() const { return m_sourceRect; }
void setSourceRect(const QRectF &sourceRect);
bool isActive() const { return m_output && m_output != m_input; }
void setInterpolation(Interpolation i);
Interpolation interpolation() const { return m_interpolation; }
protected:
void updatePolish() Q_DECL_OVERRIDE;
signals:
void inputChanged();
void outputChanged();
void sourceRectChanged();
void activeChanged();
void interpolationChanged();
private:
void setOutput(QQuickItem *output);
void useProxy();
static QObject *findLayer(QQuickItem *);
QRectF m_sourceRect;
QQuickItem *m_input;
QQuickItem *m_output;
QQuickShaderEffectSource *m_proxy;
Interpolation m_interpolation;
};
QT_END_NAMESPACE
#endif // QGFXSOURCEPROXY_P_H
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