Updates
yugasun
7 years ago
commit
0cab0e9e0c
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<!DOCTYPE html>
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<html>
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<head>
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<title>QrcodeDecoder - Camera</title>
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</head>
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<body>
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<button id="start">Start</button> <button id="stop">Stop</button><br />
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<span id="result">Click start to scan qrcode.</span><br />
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<hr />
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<video id="video" autoplay></video>
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<script src="./index.aio.min.js"></script>
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<script type="text/javascript">
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function main() {
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var qr = new QrcodeDecoder();
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var video = document.querySelector('#video');
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var start = document.querySelector('#start');
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var stop = document.querySelector('#stop');
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var result = document.querySelector('#result');
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async function startScan() {
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if (!qr.isCanvasSupported()) {
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alert("Your browser doesn't match the required specs.");
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throw new Error('Canvas and getUserMedia are required');
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}
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let code = await qr.decodeFromCamera(video);
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console.log('code', code);
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result.innerText = "Result: " + code.data;
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}
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start.onclick = startScan;
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stop.onclick = function() {
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qr.stop();
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};
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}
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main();
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</script>
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</body>
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</html>
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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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<title>QrcodeDecoder - Image</title>
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</head>
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<body>
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<button id="decode">Decode!</button><br>
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<span id="result"></span><br>
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<img src="./assets/qrcode.png" alt="qr code" />
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<script src="./index.aio.min.js"></script>
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<script type="module">
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function main() {
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var qr = new QrcodeDecoder();
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var btn = document.querySelector('button#decode');
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var img = document.querySelector('img');
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var result = document.querySelector('#result');
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btn.onclick = async () => {
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// you can also decode from image path
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// const code = await qr.decodeFromImage('./assets/qrcode.png');
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const code = await qr.decodeFromImage(img);
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console.log(code);
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result.innerText = code.data;
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};
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}
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main();
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</script>
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</body>
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</html>
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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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<title>QrcodeDecoder</title>
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</head>
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<body>
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<h1>QrcodeDecoder</h1>
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<h2>Examples</h2>
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<ul>
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<li><a href="image.html">Image</a></li>
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<li><a href="video.html">Video</a></li>
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<li><a href="camera.html">Camera</a></li>
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</ul>
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</body>
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</html>
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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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<title>QrcodeDecoder - Video</title>
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</head>
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<body>
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<button id="start">Start</button> <button id="stop">Stop</button><br />
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<span id="result">Click start to scan qrcode.</span><br />
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<video src="./assets/qrcode-video.mp4"></video>
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<script src="./index.aio.min.js"></script>
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<script type="text/javascript">
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function main() {
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var video = document.querySelector('video');
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var result = document.querySelector('#result');
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var start = document.querySelector('#start');
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var stop = document.querySelector('#stop');
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var qr = new QrcodeDecoder();
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start.onclick = startScan;
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stop.onclick = function() {
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qr.stop();
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video.pause();
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};
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async function startScan() {
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video.play();
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const code = await qr.decodeFromVideo(video);
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console.log('code', code);
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result.innerText = 'Result: ' + code.data;
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}
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}
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main();
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</script>
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</body>
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</html>
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