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Diffstat (limited to 'examples/webkitwidgets/imageanalyzer/resources/index.html')
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diff --git a/examples/webkitwidgets/imageanalyzer/resources/index.html b/examples/webkitwidgets/imageanalyzer/resources/index.html new file mode 100644 index 0000000..6532951 --- /dev/null +++ b/examples/webkitwidgets/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> + + |