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Diffstat (limited to 'examples/webkit/imageanalyzer/imageanalyzer.h')
-rw-r--r-- | examples/webkit/imageanalyzer/imageanalyzer.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/examples/webkit/imageanalyzer/imageanalyzer.h b/examples/webkit/imageanalyzer/imageanalyzer.h new file mode 100644 index 0000000..1bb25dc --- /dev/null +++ b/examples/webkit/imageanalyzer/imageanalyzer.h @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#ifndef IMAGEANALYZER_H +#define IMAGEANALYZER_H +#include <QFutureWatcher> +#include <QtGui> + +class QNetworkAccessManager; +class QNetworkReply; +class QNetworkDiskCache; + +//! [ ImageAnalyzer - public interface ] +class ImageAnalyzer : public QObject +{ + Q_OBJECT +public: + ImageAnalyzer(QNetworkDiskCache * netcache, QObject * parent=0); + + QRgb lastResults(); + float lastRed(); + float lastGreen(); + float lastBlue(); + bool isBusy(); + Q_PROPERTY(bool busy READ isBusy); + Q_PROPERTY(float red READ lastRed); + Q_PROPERTY(float green READ lastGreen); + Q_PROPERTY(float blue READ lastBlue); + ~ImageAnalyzer(); + +public slots: + /*! initiates analysis of all the urls in the list */ + void startAnalysis(const QStringList & urls); + +signals: + void finishedAnalysis(); + void updateProgress(int completed, int total); + //! [ ImageAnalyzer - public interface ] + +private slots: + void handleReply(QNetworkReply*); + void doneProcessing(); + void progressStatus(int); + +private: + QRgb processImages(); + void fetchURLs(); + void queueImage(QImage img); + + //! [ ImageAnalyzer - private members ] +private: + QNetworkAccessManager* m_network; + QNetworkDiskCache* m_cache; + QStringList m_URLQueue; + QList<QImage> m_imageQueue; + int m_outstandingFetches; + QFutureWatcher<QRgb> * m_watcher; + //! [ ImageAnalyzer - private members ] +}; + +QRgb averageRGB(const QImage &img); + +#endif |