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/****************************************************************************
**
** Copyright (C) 2016 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Graphical Effects module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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() override;
signals:
void inputChanged();
void outputChanged();
void sourceRectChanged();
void activeChanged();
void interpolationChanged();
private slots:
void repolish();
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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