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102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtQuick module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QQUICKFRAMEBUFFEROBJECT_H
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#define QQUICKFRAMEBUFFEROBJECT_H
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#include <QtQuick/QQuickItem>
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QT_BEGIN_NAMESPACE
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class QOpenGLFramebufferObject;
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class QQuickFramebufferObjectPrivate;
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class QSGFramebufferObjectNode;
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class Q_QUICK_EXPORT QQuickFramebufferObject : public QQuickItem
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QQuickFramebufferObject)
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Q_PROPERTY(bool textureFollowsItemSize READ textureFollowsItemSize WRITE setTextureFollowsItemSize NOTIFY textureFollowsItemSizeChanged)
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Q_PROPERTY(bool mirrorVertically READ mirrorVertically WRITE setMirrorVertically NOTIFY mirrorVerticallyChanged)
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public:
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class Q_QUICK_EXPORT Renderer {
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protected:
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Renderer();
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virtual ~Renderer();
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virtual void render() = 0;
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virtual QOpenGLFramebufferObject *createFramebufferObject(const QSize &size);
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virtual void synchronize(QQuickFramebufferObject *);
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QOpenGLFramebufferObject *framebufferObject() const;
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void update();
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void invalidateFramebufferObject();
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private:
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friend class QSGFramebufferObjectNode;
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friend class QQuickFramebufferObject;
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void *data;
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};
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QQuickFramebufferObject(QQuickItem *parent = Q_NULLPTR);
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bool textureFollowsItemSize() const;
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void setTextureFollowsItemSize(bool follows);
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bool mirrorVertically() const;
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void setMirrorVertically(bool enable);
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virtual Renderer *createRenderer() const = 0;
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bool isTextureProvider() const Q_DECL_OVERRIDE;
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QSGTextureProvider *textureProvider() const Q_DECL_OVERRIDE;
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void releaseResources() Q_DECL_OVERRIDE;
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protected:
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void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) Q_DECL_OVERRIDE;
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protected:
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QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) Q_DECL_OVERRIDE;
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Q_SIGNALS:
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void textureFollowsItemSizeChanged(bool);
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void mirrorVerticallyChanged(bool);
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private Q_SLOTS:
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void invalidateSceneGraph();
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};
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QT_END_NAMESPACE
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#endif // QQUICKFRAMEBUFFEROBJECT_H
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