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78 lines
2.7 KiB
JavaScript
78 lines
2.7 KiB
JavaScript
$(function() {
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var App = {
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init: function() {
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Quagga.init({
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inputStream: { name: "Test",
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type: "ImageStream",
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src: "../test/fixtures/" + App.config.reader + "/",
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length: App.config.length
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},
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decoder : {
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readers : [App.config.reader + "_reader"]
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}
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}, function() {
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App.attachListeners();
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Quagga.start();
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});
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},
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config: {
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reader: "upc_e",
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length: 10
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},
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attachListeners: function() {
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$(".controls").on("click", "button.next", function(e) {
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e.preventDefault();
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Quagga.start();
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});
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$(".controls .reader-group").on("change", "input", function(e) {
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e.preventDefault();
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App.detachListeners();
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Quagga.stop();
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App.config.reader = e.target.value;
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App.init();
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});
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},
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detachListeners: function() {
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$(".controls").off("click", "button.next");
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$(".controls .reader-group").off("change", "input");
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}
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};
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App.init();
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Quagga.onProcessed(function(result) {
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var drawingCtx = Quagga.canvas.ctx.overlay,
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drawingCanvas = Quagga.canvas.dom.overlay;
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if (result) {
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if (result.boxes) {
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drawingCtx.clearRect(0, 0, parseInt(drawingCanvas.getAttribute("width")), parseInt(drawingCanvas.getAttribute("height")));
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result.boxes.filter(function (box) {
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return box !== result.box;
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}).forEach(function (box) {
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Quagga.ImageDebug.drawPath(box, {x: 0, y: 1}, drawingCtx, {color: "green", lineWidth: 2});
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});
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}
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if (result.box) {
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Quagga.ImageDebug.drawPath(result.box, {x: 0, y: 1}, drawingCtx, {color: "#00F", lineWidth: 2});
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}
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if (result.codeResult && result.codeResult.code) {
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Quagga.ImageDebug.drawPath(result.line, {x: 'x', y: 'y'}, drawingCtx, {color: 'red', lineWidth: 3});
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}
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}
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});
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Quagga.onDetected(function(result) {
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var $node,
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canvas = Quagga.canvas.dom.image,
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detectedCode = result.codeResult.code;
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$node = $('<li><div class="thumbnail"><div class="imgWrapper"><img /></div><div class="caption"><h4 class="code"></h4></div></div></li>');
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$node.find("img").attr("src", canvas.toDataURL());
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$node.find("h4.code").html(detectedCode);
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$("#result_strip ul.thumbnails").prepend($node);
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});
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});
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