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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