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// Copyright (C) 2016 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QGFXSOURCEPROXY_P_H
#define QGFXSOURCEPROXY_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick/QQuickItem>
#include <QtCore/private/qglobal_p.h>
QT_BEGIN_NAMESPACE
class QQuickShaderEffectSource;
class QGfxSourceProxy : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QQuickItem *input READ input WRITE setInput NOTIFY inputChanged RESET resetInput FINAL)
Q_PROPERTY(QQuickItem *output READ output NOTIFY outputChanged FINAL)
Q_PROPERTY(QRectF sourceRect READ sourceRect WRITE setSourceRect NOTIFY sourceRectChanged FINAL)
Q_PROPERTY(bool active READ isActive NOTIFY activeChanged FINAL)
Q_PROPERTY(Interpolation interpolation READ interpolation WRITE setInterpolation NOTIFY interpolationChanged FINAL)
public:
enum class Interpolation {
Any,
Nearest,
Linear
};
Q_ENUM(Interpolation)
QGfxSourceProxy(QQuickItem *parentItem = nullptr);
~QGfxSourceProxy();
QQuickItem *input() const { return m_input; }
void setInput(QQuickItem *input);
void resetInput() { setInput(nullptr); }
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;
Q_SIGNALS:
void inputChanged();
void outputChanged();
void sourceRectChanged();
void activeChanged();
void interpolationChanged();
private Q_SLOTS:
void repolish();
private:
void setOutput(QQuickItem *output);
void useProxy();
static QObject *findLayer(QQuickItem *);
QRectF m_sourceRect;
QQuickItem *m_input = nullptr;
QQuickItem *m_output = nullptr;
QQuickShaderEffectSource *m_proxy = nullptr;
Interpolation m_interpolation = Interpolation::Any;
};
QT_END_NAMESPACE
#endif // QGFXSOURCEPROXY_P_H
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