| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ** information to ensure the GNU General Public License requirements will |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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: |
| 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 |