Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
104 lines
3.4 KiB
C++
104 lines
3.4 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 examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef IMAGEANALYZER_H
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#define IMAGEANALYZER_H
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#include <QFutureWatcher>
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#include <QtGui>
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QT_BEGIN_NAMESPACE
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class QNetworkAccessManager;
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class QNetworkReply;
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class QNetworkDiskCache;
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QT_END_NAMESPACE
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//! [ ImageAnalyzer - public interface ]
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class ImageAnalyzer : public QObject
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{
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Q_OBJECT
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public:
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ImageAnalyzer(QNetworkDiskCache * netcache, QObject * parent=0);
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QRgb lastResults();
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float lastRed();
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float lastGreen();
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float lastBlue();
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bool isBusy();
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Q_PROPERTY(bool busy READ isBusy);
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Q_PROPERTY(float red READ lastRed);
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Q_PROPERTY(float green READ lastGreen);
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Q_PROPERTY(float blue READ lastBlue);
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~ImageAnalyzer();
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public slots:
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/*! initiates analysis of all the urls in the list */
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void startAnalysis(const QStringList & urls);
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signals:
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void finishedAnalysis();
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void updateProgress(int completed, int total);
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//! [ ImageAnalyzer - public interface ]
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private slots:
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void handleReply(QNetworkReply*);
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void doneProcessing();
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void progressStatus(int);
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private:
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QRgb processImages();
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void fetchURLs();
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void queueImage(QImage img);
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//! [ ImageAnalyzer - private members ]
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private:
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QNetworkAccessManager* m_network;
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QNetworkDiskCache* m_cache;
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QStringList m_URLQueue;
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QList<QImage> m_imageQueue;
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int m_outstandingFetches;
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QFutureWatcher<QRgb> * m_watcher;
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//! [ ImageAnalyzer - private members ]
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};
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QRgb averageRGB(const QImage &img);
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#endif
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