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qrcode-decoder
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yugasun 3 years ago
parent bf8c373a47
commit ede323bb2a
5 changed files with 138 additions and 130 deletions
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77
camera.html
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<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>QrcodeDecoder - Camera</title>
</head>
<body>
<button id="start">Start</button> <button id="stop">Stop</button><br />
<span id="result">Click start to scan qrcode.</span><br />
<hr />
<video id="video" autoplay></video>
<script src="./lib/vconsole.min.js"></script> <head>
<script src="./index.min.js"></script> <meta charset="UTF-8" />
<script type="text/javascript"> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
var vConsole = new VConsole(); <meta http-equiv="X-UA-Compatible" content="ie=edge" />
console.log('Hello world'); <title>QrcodeDecoder - Camera</title>
function main() { </head>
var qr = new QrcodeDecoder();
var video = document.querySelector('#video');
var start = document.querySelector('#start');
var stop = document.querySelector('#stop');
var result = document.querySelector('#result');
async function startScan() {
if (!qr.isCanvasSupported()) {
alert("Your browser doesn't match the required specs.");
throw new Error('Canvas and getUserMedia are required');
}
let code = await qr.decodeFromCamera(video); <body>
console.log('code', code); <button id="start">Start</button> <button id="stop">Stop</button><br />
result.innerText = 'Result: ' + code.data; <span id="result">Click start to scan qrcode.</span><br />
<hr />
<video id="video" autoplay></video>
<script src="./lib/vconsole.min.js"></script>
<script src="./lib/index.min.js"></script>
<script type="text/javascript">
var vConsole = new VConsole();
console.log('Hello world');
function main() {
var qr = new QrcodeDecoder();
var video = document.querySelector('#video');
var start = document.querySelector('#start');
var stop = document.querySelector('#stop');
var result = document.querySelector('#result');
async function startScan() {
if (!qr.isCanvasSupported()) {
alert("Your browser doesn't match the required specs.");
throw new Error('Canvas and getUserMedia are required');
} }
start.onclick = startScan;
stop.onclick = function() { let code = await qr.decodeFromCamera(video);
qr.stop(); console.log('code', code);
}; result.innerText = 'Result: ' + code.data;
} }
main(); start.onclick = startScan;
</script>
</body> stop.onclick = function () {
qr.stop();
};
}
main();
</script>
</body>
</html> </html>

116
image.html
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<!DOCTYPE html> <!DOCTYPE html>
<html lang="en"> <html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>QrcodeDecoder - Image</title>
</head>
<body>
<section>
<h3>Same domain image</h3>
<img id="img1" src="./assets/qrcode.png" alt="qr code" /><br />
<button id="decode1">Decode!</button><br />
<span id="result1"></span><br />
</section>
<hr />
<section>
<h3>Different domain image</h3>
<input
id="img2"
value="https://yugasun.com/static/wechat.jpg"
style="width: 400px"
/><br />
<button id="decode2">Decode!</button><br />
<span id="result2"></span><br />
</section>
<script src="./lib/vconsole.min.js"></script>
<script src="./index.min.js"></script>
<script type="module">
var vConsole = new VConsole();
function main() {
var qr = new QrcodeDecoder();
var btn1 = document.querySelector('button#decode1'); <head>
var btn2 = document.querySelector('button#decode2'); <meta charset="UTF-8" />
var result1 = document.querySelector('#result1'); <meta name="viewport" content="width=device-width, initial-scale=1.0" />
var result2 = document.querySelector('#result2'); <meta http-equiv="X-UA-Compatible" content="ie=edge" />
var img1 = document.querySelector('#img1'); <title>QrcodeDecoder - Image</title>
var img2 = document.querySelector('#img2'); </head>
btn1.onclick = async () => { <body>
// you can also decode from image path <section>
// const code = await qr.decodeFromImage('./assets/qrcode.png'); <h3>Same domain image</h3>
const code = await qr.decodeFromImage(img1); <img id="img1" src="./assets/qrcode.png" alt="qr code" /><br />
console.log(code); <button id="decode1">Decode!</button><br />
result1.innerText = code.data; <span id="result1"></span><br />
}; </section>
<hr />
<section>
<h3>Different domain image</h3>
<input
id="img2"
value="https://yugasun.com/static/wechat.jpg"
style="width: 400px" /><br />
<button id="decode2">Decode!</button><br />
<span id="result2"></span><br />
</section>
<script src="./lib/vconsole.min.js"></script>
<script src="./lib/index.min.js"></script>
<script type="module">
var vConsole = new VConsole();
function main() {
var qr = new QrcodeDecoder();
btn2.onclick = async () => { var btn1 = document.querySelector('button#decode1');
// you can also decode from image path var btn2 = document.querySelector('button#decode2');
// const code = await qr.decodeFromImage('./assets/qrcode.png'); var result1 = document.querySelector('#result1');
const code = await qr.decodeFromImage(img2.value, { var result2 = document.querySelector('#result2');
crossOrigin: 'anonymous', var img1 = document.querySelector('#img1');
}); var img2 = document.querySelector('#img2');
console.log(code);
result2.innerText = code.data; btn1.onclick = async () => {
}; // you can also decode from image path
} // const code = await qr.decodeFromImage('./assets/qrcode.png');
window.onload = () => { const code = await qr.decodeFromImage(img1);
main(); console.log(code);
result1.innerText = code.data;
};
btn2.onclick = async () => {
// you can also decode from image path
// const code = await qr.decodeFromImage('./assets/qrcode.png');
const code = await qr.decodeFromImage(img2.value, {
crossOrigin: 'anonymous',
});
console.log(code);
result2.innerText = code.data;
}; };
</script> }
</body> window.onload = () => {
main();
};
</script>
</body>
</html> </html>

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index.min.js vendored
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lib/index.min.js vendored
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72
video.html
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<!DOCTYPE html> <!DOCTYPE html>
<html lang="en"> <html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>QrcodeDecoder - Video</title>
</head>
<body>
<button id="start">Start</button> <button id="stop">Stop</button><br />
<span id="result">Click start to scan qrcode.</span><br />
<video src="./assets/qrcode-video.mp4"></video> <head>
<script src="./lib/vconsole.min.js"></script> <meta charset="UTF-8" />
<script src="./index.min.js"></script> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<script type="text/javascript"> <meta http-equiv="X-UA-Compatible" content="ie=edge" />
var vConsole = new VConsole(); <title>QrcodeDecoder - Video</title>
console.log('Hello world'); </head>
function main() {
var video = document.querySelector('video');
var result = document.querySelector('#result');
var start = document.querySelector('#start');
var stop = document.querySelector('#stop');
var qr = new QrcodeDecoder();
start.onclick = startScan; <body>
<button id="start">Start</button> <button id="stop">Stop</button><br />
<span id="result">Click start to scan qrcode.</span><br />
stop.onclick = function() { <video src="./assets/qrcode-video.mp4"></video>
qr.stop(); <script src="./lib/vconsole.min.js"></script>
video.pause(); <script src="./lib/index.min.js"></script>
}; <script type="text/javascript">
var vConsole = new VConsole();
function main() {
var video = document.querySelector('video');
var result = document.querySelector('#result');
var start = document.querySelector('#start');
var stop = document.querySelector('#stop');
var qr = new QrcodeDecoder();
async function startScan() { start.onclick = startScan;
video.play();
const code = await qr.decodeFromVideo(video); stop.onclick = function () {
console.log('code', code); qr.stop();
result.innerText = 'Result: ' + code.data; video.pause();
} };
async function startScan() {
video.play();
const code = await qr.decodeFromVideo(video);
console.log('code', code);
result.innerText = 'Result: ' + code.data;
} }
main(); }
</script> main();
</body> </script>
</body>
</html> </html>

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