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qrcode-decoder
mirror of https://github.com/yugasun/qrcode-decoder.git
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yugasun 4 years ago
parent f84b71c352
commit 95ae10bd90
5 changed files with 131 additions and 136 deletions
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78
camera.html
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<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" /> <meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>QrcodeDecoder - Camera</title> <title>QrcodeDecoder - Camera</title>
</head> </head>
<body> <body>
<button id="start">Start</button> <button id="stop">Stop</button><br /> <button id="start">Start</button> <button id="stop">Stop</button><br />
<span id="result">Click start to scan qrcode.</span><br /> <span id="result">Click start to scan qrcode.</span><br />
<hr /> <hr />
<video id="video" autoplay></video> <video id="video" autoplay></video>
<script src="./lib/vconsole.min.js"></script> <script src="./lib/vconsole.min.js"></script>
<script src="./index.aio.min.js"></script> <script src="./index.min.js"></script>
<script type="text/javascript"> <script type="text/javascript">
var vConsole = new VConsole(); var vConsole = new VConsole();
console.log("Hello world"); console.log('Hello world');
function main() { function main() {
var qr = new QrcodeDecoder(); var qr = new QrcodeDecoder();
var video = document.querySelector("#video"); var video = document.querySelector('#video');
var start = document.querySelector("#start"); var start = document.querySelector('#start');
var stop = document.querySelector("#stop"); var stop = document.querySelector('#stop');
var result = document.querySelector("#result"); var result = document.querySelector('#result');
async function startScan() { async function startScan() {
if (!qr.isCanvasSupported()) { if (!qr.isCanvasSupported()) {
alert("Your browser doesn't match the required specs."); alert("Your browser doesn't match the required specs.");
throw new Error("Canvas and getUserMedia are required"); throw new Error('Canvas and getUserMedia are required');
} }
let code = await qr.decodeFromCamera(video); let code = await qr.decodeFromCamera(video);
console.log("code", code); console.log('code', code);
result.innerText = "Result: " + code.data; result.innerText = 'Result: ' + code.data;
} }
start.onclick = startScan; start.onclick = startScan;
stop.onclick = function() { stop.onclick = function() {
qr.stop(); qr.stop();
}; };
} }
main(); main();
</script> </script>
</body> </body>
</html> </html>

109
image.html
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<!DOCTYPE html> <!DOCTYPE html>
<html lang="en"> <html lang="en">
<head> <head>
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" /> <meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>QrcodeDecoder - Image</title> <title>QrcodeDecoder - Image</title>
</head> </head>
<body> <body>
<section> <section>
<h3>Same domain image</h3> <h3>Same domain image</h3>
<img src="./assets/qrcode.png" alt="qr code" /><br /> <img src="./assets/qrcode.png" alt="qr code" /><br />
<button id="decode1">Decode!</button><br /> <button id="decode1">Decode!</button><br />
<span id="result1"></span><br /> <span id="result1"></span><br />
</section> </section>
<hr /> <hr />
<section> <section>
<h3>Different domain image</h3> <h3>Different domain image</h3>
<button id="decode2">Decode!</button><br /> <button id="decode2">Decode!</button><br />
<span id="result2"></span><br /> <span id="result2"></span><br />
</section> </section>
<script src="./lib/vconsole.min.js"></script> <script src="./lib/vconsole.min.js"></script>
<script src="./index.aio.min.js"></script> <script src="./index.min.js"></script>
<script type="module"> <script src="./index.min.js"></script>
var vConsole = new VConsole(); <script type="module">
console.log("Hello world"); var vConsole = new VConsole();
function main() { console.log('Hello world');
var qr = new QrcodeDecoder(); function main() {
var qr = new QrcodeDecoder();
var btn1 = document.querySelector("button#decode1"); var btn1 = document.querySelector('button#decode1');
var btn2 = document.querySelector("button#decode2"); var btn2 = document.querySelector('button#decode2');
var result1 = document.querySelector("#result1"); var result1 = document.querySelector('#result1');
var result2 = document.querySelector("#result2"); var result2 = document.querySelector('#result2');
var img = document.querySelector("img"); var img = document.querySelector('img');
btn1.onclick = async () => { btn1.onclick = async () => {
// you can also decode from image path // you can also decode from image path
// const code = await qr.decodeFromImage('./assets/qrcode.png'); // const code = await qr.decodeFromImage('./assets/qrcode.png');
const code = await qr.decodeFromImage(img); const code = await qr.decodeFromImage(img);
console.log(code); console.log(code);
result1.innerText = code.data; result1.innerText = code.data;
}; };
btn2.onclick = async () => { btn2.onclick = async () => {
// you can also decode from image path // you can also decode from image path
// const code = await qr.decodeFromImage('./assets/qrcode.png'); // const code = await qr.decodeFromImage('./assets/qrcode.png');
const code = await qr.decodeFromImage( const code = await qr.decodeFromImage(
"https://yugasun.com/static/wechat.jpg", 'https://yugasun.com/static/wechat.jpg',
{ {
crossOrigin: "anonymous" crossOrigin: 'anonymous',
} },
); );
console.log(code); console.log(code);
result2.innerText = code.data; result2.innerText = code.data;
}; };
} }
main(); main();
</script> </script>
</body> </body>
</html> </html>

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

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