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author | David Boddie <david.boddie@nokia.com> | 2010-10-08 13:52:51 (GMT) |
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committer | David Boddie <david.boddie@nokia.com> | 2010-10-08 13:52:51 (GMT) |
commit | 61975fcccac7dc20f0fcda4294a4660560501afc (patch) | |
tree | da47fa4bc83b3450503265e03185f9dee05678ff /examples | |
parent | 3973481089f9101668c20a9317b759e09a784070 (diff) | |
parent | b546a7c8c57fdfe18b3293c8fef8c4a58ad77f59 (diff) | |
download | Qt-61975fcccac7dc20f0fcda4294a4660560501afc.zip Qt-61975fcccac7dc20f0fcda4294a4660560501afc.tar.gz Qt-61975fcccac7dc20f0fcda4294a4660560501afc.tar.bz2 |
Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-doc-team into 4.7
Diffstat (limited to 'examples')
-rw-r--r-- | examples/webkit/imageanalyzer/imageanalyzer.cpp | 8 | ||||
-rw-r--r-- | examples/webkit/imageanalyzer/imageanalyzer.h | 73 | ||||
-rw-r--r-- | examples/webkit/imageanalyzer/mainwindow.h | 21 | ||||
-rw-r--r-- | examples/webkit/imageanalyzer/resources/imageanalyzer.qrc | 10 | ||||
-rw-r--r-- | examples/webkit/imageanalyzer/resources/index.html | 133 |
5 files changed, 198 insertions, 47 deletions
diff --git a/examples/webkit/imageanalyzer/imageanalyzer.cpp b/examples/webkit/imageanalyzer/imageanalyzer.cpp index c663cf3..1d0ee45 100644 --- a/examples/webkit/imageanalyzer/imageanalyzer.cpp +++ b/examples/webkit/imageanalyzer/imageanalyzer.cpp @@ -57,7 +57,7 @@ //! [ ImageAnalyzer - Constructor ] ImageAnalyzer::ImageAnalyzer(QNetworkDiskCache* netcache, QObject* parent) -: QObject(parent), m_cache(netcache), m_outstandingFetches(0) + : QObject(parent), m_cache(netcache), m_outstandingFetches(0) { /* ImageAnalyzer only wants to receive http responses for requests that it makes, so that's why it has its own @@ -69,11 +69,11 @@ ImageAnalyzer::ImageAnalyzer(QNetworkDiskCache* netcache, QObject* parent) m_network->setCache(m_cache); QObject::connect(m_network, SIGNAL(finished(QNetworkReply*)), - this, SLOT(handleReply(QNetworkReply*))); + this, SLOT(handleReply(QNetworkReply*))); QObject::connect(m_watcher, SIGNAL(finished()), - this, SLOT(doneProcessing())); + this, SLOT(doneProcessing())); QObject::connect(m_watcher, SIGNAL(progressValueChanged(int)), - this, SLOT(progressStatus(int))); + this, SLOT(progressStatus(int))); } //! [ ImageAnalyzer - Constructor ] ImageAnalyzer::~ImageAnalyzer() diff --git a/examples/webkit/imageanalyzer/imageanalyzer.h b/examples/webkit/imageanalyzer/imageanalyzer.h index f228c0e..1bb25dc 100644 --- a/examples/webkit/imageanalyzer/imageanalyzer.h +++ b/examples/webkit/imageanalyzer/imageanalyzer.h @@ -47,48 +47,53 @@ class QNetworkAccessManager; class QNetworkReply; class QNetworkDiskCache; + //! [ ImageAnalyzer - public interface ] class ImageAnalyzer : public QObject { Q_OBJECT - public: - ImageAnalyzer(QNetworkDiskCache * netcache, QObject * parent=0); +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); - 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); + QRgb processImages(); + void fetchURLs(); + void queueImage(QImage img); -//! [ ImageAnalyzer - private members ] + //! [ 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 ] + 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); diff --git a/examples/webkit/imageanalyzer/mainwindow.h b/examples/webkit/imageanalyzer/mainwindow.h index 4c6b950..076e586 100644 --- a/examples/webkit/imageanalyzer/mainwindow.h +++ b/examples/webkit/imageanalyzer/mainwindow.h @@ -41,8 +41,8 @@ #ifndef MAINWINDOW_H #define MAINWINDOW_H -#include <QWebView> +#include <QWebView> class ImageAnalyzer; class QNetworkDiskCache; @@ -50,14 +50,17 @@ class QNetworkDiskCache; class MainWin : public QWebView { Q_OBJECT + +public: + explicit MainWin(QWidget * parent = 0); + +private: + ImageAnalyzer * m_analyzer; + QNetworkAccessManager * m_network; + QNetworkDiskCache * m_cache; + +private slots: + void addJSObject(); - public: - explicit MainWin(QWidget * parent = 0); - private: - ImageAnalyzer * m_analyzer; - QNetworkAccessManager * m_network; - QNetworkDiskCache * m_cache; - private slots: - void addJSObject(); }; #endif diff --git a/examples/webkit/imageanalyzer/resources/imageanalyzer.qrc b/examples/webkit/imageanalyzer/resources/imageanalyzer.qrc new file mode 100644 index 0000000..fe9a5df --- /dev/null +++ b/examples/webkit/imageanalyzer/resources/imageanalyzer.qrc @@ -0,0 +1,10 @@ +<!DOCTYPE RCC><RCC version="1.0"> + <qresource> + <file>index.html</file> + <file>images/mtRainier.jpg</file> + <file>images/bellaCoola.jpg</file> + <file>images/trees.jpg</file> + <file>images/flower.jpg</file> + <file>images/seaShell.jpg</file> +</qresource> +</RCC> diff --git a/examples/webkit/imageanalyzer/resources/index.html b/examples/webkit/imageanalyzer/resources/index.html new file mode 100644 index 0000000..6532951 --- /dev/null +++ b/examples/webkit/imageanalyzer/resources/index.html @@ -0,0 +1,133 @@ + +<html> + <body> + <!-- [ images list ] --> + <div style="float:right; width:50%; border-left: solid 1px black"> + <div id="listdiv" align="center"> + <h5>Images to be analyzed:</h5> + <select multiple size=10 id=imglist style="width:80%"></select> + <br /> + <input type="button" id="evalbutton" value="Analyze" onclick="analyzeImages()" /> + </div> + </div> + <!-- [ images list ] --> + <div style="width:50%"> + <div id="titleblock" align="center"> + <h2>Image Analyzer</h2> + </div> + <div id=outputdiv align=center> + <h4>Status: <span id=status>Idle</span></h4> + <h5> + Latest Results:<br /> + Red: <span id=redval style="color:red">n/a</span><br /> + Green: <span id=greenval style="color:green">n/a</span><br /> + Blue: <span id=blueval style="color:blue">n/a</span><br /> + </h5> + <h3>Click on images below to select for analysis</h3> + </div> + </div> + <!-- [ sample images ] --> + <div id=imagediv style="clear:both; text-align:center"> + <hr/> + <img src="images/mtRainier.jpg" height=150px onclick='return addImage(this);' /> + <img src="images/bellaCoola.jpg" height=150px onclick='return addImage(this);'/> + <img src="images/seaShell.jpg" height=150px onclick='return addImage(this);'/> + <!-- [ sample images ] --> + <img src="images/flower.jpg" height=150px onclick='return addImage(this);'/> + <img src="images/trees.jpg" height=150px onclick='return addImage(this);'/> + </div> + + </body> +</html> + +<script type="text/javascript"> + var remaining = 0; + var connected = false; + //We use this function because connect statements resolve their target once, imediately + //not at signal emission so they must be connected once the imageAnalyzer object has been added to the frame + //! <!-- [ connect slots ] --> + function connectSlots() + { + if ( !connected ) { + connected = true; + imageAnalyzer.finishedAnalysis.connect(this, finished); + imageAnalyzer.updateProgress.connect(this, updateProg); + } + } + //! <!-- [ connect slots ] --> + + function finished() { + setStatus('Idle'); + setResults(imageAnalyzer.red.toFixed(2), imageAnalyzer.green.toFixed(2), imageAnalyzer.blue.toFixed(2)); + } + //This will function as the recieving "slot" for the progress signal + function updateProg(complete, max) + { + var oldRemaining = remaining; + remaining = max - complete; + pullList(oldRemaining - remaining); + //Prevent results getting messed up if we don't get signals in order + if( imageAnalyzer.busy ) { + setStatus('Processing (' + complete + ' of ' + max + ' completed)'); + setResults('Calculating','Calculating','Calculating'); + } + } + +//! <!-- [ analyzeImages ] --> +function analyzeImages() { + connectSlots(); + var imglist = document.getElementsByTagName('option'); + if (imglist.length > 0) { + stringlist = []; + for(var i=0; i<imglist.length; i++) { + stringlist[i]=imglist[i].value; + } + if (!imageAnalyzer.busy) { + remaining = stringlist.length; + imageAnalyzer.startAnalysis(stringlist); + } else { + alert("Processing, please wait until finished."); + } +//! <!-- [ analyzeImages ] --> + } else { + alert('No images selected. Click on one or more images to select them for analysis.'); + } +} +function clearList() { + var imglist = document.getElementById('imglist'); + while(imglist.length > 0) { + imglist.removeChild(imglist.childNodes[0]); + } +} +function pullList(count) { + var imglist = document.getElementById('imglist'); + while(imglist.length > 0 && count > 0) { + imglist.removeChild(imglist.childNodes[0]); + count--; + } +} +function setStatus(statusString) { + document.getElementById('status').innerHTML = statusString; +} + +function setResults(red, green, blue) { + if (! isNaN(red) ) { red += " %"; } + if (! isNaN(green) ) { green += " %"; } + if (! isNaN(blue) ) { blue += " %"; } + document.getElementById('redval').innerHTML = red; + document.getElementById('greenval').innerHTML = green; + document.getElementById('blueval').innerHTML = blue; +} +//! <!-- [ addImage ] --> +function addImage(newimg) { + var imglist = document.getElementById('imglist'); + var curChildren = imglist.childNodes; + var newline = document.createElement('option'); + newline.innerHTML = newimg.src.substring(newimg.src.lastIndexOf('/')+1); + newline.value = newimg.src; + imglist.appendChild(newline); +} +//! <!-- [ addImage ] --> +</script> + + |