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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtQuick3D module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef THUMBNAILNODE_H
-#define THUMBNAILNODE_H
-
-#include "qglscenenode.h"
-#include "thumbnailableimage.h"
-
-#include <QtCore/qmath.h>
-#include <QUrl>
-
-class ThumbnailNode : public QGLSceneNode
-{
- Q_OBJECT
-public:
- enum Distance
- {
- Unknown,
- Near,
- Middle,
- Far,
- VeryFar
- };
-
- explicit ThumbnailNode(QObject *parent = 0);
- ~ThumbnailNode();
- QUrl url() const { return m_url; }
- void setUrl(const QUrl &url);
- void setThreshold(qreal threshold) { m_thresholdSquared = threshold * threshold; }
- qreal threshold() const { return qSqrt(m_thresholdSquared); }
- void draw(QGLPainter *painter);
- void drawGeometry(QGLPainter *painter);
- ThumbnailableImage image() const { return m_image; }
-signals:
- void imageRequired(const ThumbnailableImage &);
- void nodeChanged();
-public slots:
- void setImage(const ThumbnailableImage &image);
-private:
- void createFullNode();
- void destroyFullNode();
- void setupLoading();
- void setupThumbnailing();
- void loadFullImage();
-
- ThumbnailableImage m_image;
- qreal m_thresholdSquared;
- int m_defaultMaterial;
- QUrl m_url;
- bool m_loading;
- QGLSceneNode *m_full;
- QSizeF m_max;
- QObject *m_manager;
- Distance m_lastDistance;
-};
-
-#endif // THUMBNAILNODE_H