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86 lines
2.8 KiB
HTML
86 lines
2.8 KiB
HTML
9 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
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<title>index</title>
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<meta name="description" content="" />
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<meta name="author" content="Christoph Oberhofer" />
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<meta name="viewport" content="width=device-width; initial-scale=1.0" />
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<link rel="stylesheet" type="text/css" href="../css/fonts.css" />
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<link rel="stylesheet" type="text/css" href="../css/styles.css" />
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<link rel="stylesheet" type="text/css" href="../css/highlight-default.css" />
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</head>
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<body>
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<header>
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<div class="headline">
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<h1>QuaggaJS</h1>
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<h2>An advanced barcode-scanner written in JavaScript</h2>
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</div>
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</header>
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<section id="container" class="container">
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<h3>Scan barcode to input-field</h3>
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<p>Click the <strong>button</strong> next to the input-field
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to start scanning an <strong>EAN-13</strong> barcode</p>
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<div>
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<form>
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<div class="input-field">
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<label for="isbn_input">ISBN:</label>
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<input id="isbn_input" class="isbn" type="text" />
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<button type="button" class="icon-barcode button scan"> </button>
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</div>
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</form>
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</div>
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<p>An overlay will pop-up showing the users's back-facing
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camera if access is granted.</p>
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<div className="source-code">
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<h4>Source</h4>
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<pre>
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<code class="javascript">
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var scanner = Quagga
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.decoder({readers: ['ean_reader']})
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.locator({patchSize: 'medium'})
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.fromVideo({
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target: '.overlay__content',
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constraints: {
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width: 800,
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height: 600,
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facingMode: "environment"
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}
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});
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document.querySelector('.input-field input + button.scan')
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.addEventListener("click", function onClick(e) {
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e.preventDefault();
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e.target.removeEventListener("click", onClick);
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// Start scanning
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scanner.addEventListener('detected', function detected(result) {
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// show result and stop scanner
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document.querySelector('input.isbn').value = result.codeResult.code;
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scanner.stop();
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scanner.removeEventListener('detected', detected);
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}).start();
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});
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</code>
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</pre>
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</div>
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</section>
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<footer>
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<p>
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© Copyright by Christoph Oberhofer
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</p>
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</footer>
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<script src="../../dist/quagga.js" type="text/javascript"></script>
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<script src="index.js" type="text/javascript"></script>
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<script src="../vendor/highlight.pack.js"></script>
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<script>hljs.initHighlightingOnLoad();</script>
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</body>
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</html>
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