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-rw-r--r--examples/webkit/imageanalyzer/imageanalyzer.cpp8
-rw-r--r--examples/webkit/imageanalyzer/imageanalyzer.h73
-rw-r--r--examples/webkit/imageanalyzer/mainwindow.h21
-rw-r--r--examples/webkit/imageanalyzer/resources/imageanalyzer.qrc10
-rw-r--r--examples/webkit/imageanalyzer/resources/index.html133
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>
+
+
generated by cgit v0.12 at 2024-12-26 08:34:31 (GMT)