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Boof 2023-05-30 12:04:15 +02:00 committed by GitHub
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commit 020fdb2a8f
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other/logo-detect/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="index.js"></script>
</head>
<body>
</body>
</html>

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other/logo-detect/index.js Normal file
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other/logo-detect/test1.html Normal file
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<html>
<body>
<div>
<input type="file" id="image-input" accept="image/*">
<img id="preview"></img>
</div>
<script>
let imgInput = document.getElementById('image-input');
imgInput.addEventListener('change', function (e) {
if (e.target.files) {
let imageFile = e.target.files[0];
var reader = new FileReader();
reader.onload = function (e) {
var img = document.createElement("img");
img.onload = function (event) {
var canvas = document.createElement("canvas");
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0, 300, 300);
var dataurl = canvas.toDataURL(imageFile.type);
document.getElementById("preview").src = dataurl;
}
img.src = e.target.result;
}
reader.readAsDataURL(imageFile);
}
});
</script>
</body>
</html>