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Outsourced drawing of scanline and bounding-box to the interface; Debug version can be enabled through setting nrOfWorkers = 0;

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This commit is contained in:
Christoph Oberhofer
2015-01-19 22:58:16 +01:00
parent 2d5fa058d5
commit 9af9a0db7e
7 changed files with 179 additions and 107 deletions
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example/live_w_locator.js
+29 -3
View File
@@ -34,14 +34,40 @@ $(function() {
App.init();
Quagga.onProcessed(function(result) {
var drawingCtx = Quagga.canvas.ctx.overlay,
drawingCanvas = Quagga.canvas.dom.overlay;
if (result) {
if (result.boxes) {
drawingCtx.clearRect(0, 0, parseInt(drawingCanvas.getAttribute("width")), parseInt(drawingCanvas.getAttribute("height")));
result.boxes.filter(function (box) {
return box !== result.box;
}).forEach(function (box) {
Quagga.ImageDebug.drawPath(box, {x: 0, y: 1}, drawingCtx, {color: "green", lineWidth: 2});
});
}
if (result.box) {
Quagga.ImageDebug.drawPath(result.box, {x: 0, y: 1}, drawingCtx, {color: "#00F", lineWidth: 2});
}
if (result.codeResult && result.codeResult.code) {
Quagga.ImageDebug.drawPath(result.line, {x: 'x', y: 'y'}, drawingCtx, {color: 'red', lineWidth: 3});
}
}
});
Quagga.onDetected(function(result) {
if (App.lastResult !== result) {
App.lastResult = result;
var code = result.codeResult.code;
if (App.lastResult !== code) {
App.lastResult = code;
var $node = null, canvas = Quagga.canvas.dom.image;
$node = $('<li><div class="thumbnail"><div class="imgWrapper"><img /></div><div class="caption"><h4 class="code"></h4></div></div></li>');
$node.find("img").attr("src", canvas.toDataURL());
$node.find("h4.code").html(result);
$node.find("h4.code").html(code);
$("#result_strip ul.thumbnails").prepend($node);
}
});
example/static_images.html
+1
View File
@@ -41,6 +41,7 @@
<ul class="thumbnails"></ul>
</div>
<div id="interactive" class="viewport"></div>
<div id="debug"></div>
</section>
<footer>
<p>
example/static_images.js
+28 -2
View File
@@ -41,12 +41,38 @@ $(function() {
App.init();
Quagga.onProcessed(function(result) {
var drawingCtx = Quagga.canvas.ctx.overlay,
drawingCanvas = Quagga.canvas.dom.overlay;
if (result) {
if (result.boxes) {
drawingCtx.clearRect(0, 0, parseInt(drawingCanvas.getAttribute("width")), parseInt(drawingCanvas.getAttribute("height")));
result.boxes.filter(function (box) {
return box !== result.box;
}).forEach(function (box) {
Quagga.ImageDebug.drawPath(box, {x: 0, y: 1}, drawingCtx, {color: "green", lineWidth: 2});
});
}
if (result.box) {
Quagga.ImageDebug.drawPath(result.box, {x: 0, y: 1}, drawingCtx, {color: "#00F", lineWidth: 2});
}
if (result.codeResult && result.codeResult.code) {
Quagga.ImageDebug.drawPath(result.line, {x: 'x', y: 'y'}, drawingCtx, {color: 'red', lineWidth: 3});
}
}
});
Quagga.onDetected(function(result) {
var $node = null, canvas = Quagga.canvas.dom.image;
var $node,
canvas = Quagga.canvas.dom.image,
detectedCode = result.codeResult.code;
$node = $('<li><div class="thumbnail"><div class="imgWrapper"><img /></div><div class="caption"><h4 class="code"></h4></div></div></li>');
$node.find("img").attr("src", canvas.toDataURL());
$node.find("h4.code").html(result);
$node.find("h4.code").html(detectedCode);
$("#result_strip ul.thumbnails").prepend($node);
});
});