FUNCIONA PERO NO PUEDO OBTENER UN OBJETO CON LOS DATOS DE UNA IMAGEN
Publicado por CRISTIAN OMAR (13 intervenciones) el 25/03/2021 21:40:57
script.js:11 Uncaught DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data.
at Image.<anonymous> (file:///C:/script.js:11:31)
(anonymous) @ script.js:11
load (async)
(anonymous) @ script.js:9
************************************index.html************************************
************************************style.css************************************
************************************script.js************************************
at Image.<anonymous> (file:///C:/script.js:11:31)
(anonymous) @ script.js:11
load (async)
(anonymous) @ script.js:9
************************************index.html************************************
1
2
3
4
5
6
7
8
9
10
11
12
13
14
<!DOCTYPE html>
<html lang="eng">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Pixel manipulation</title>
<link rel="stylesheet" type="style.css">
</head>
<body>
<canvas id="canvas"></canvas>
<script src="script.js"></script>
</body>
</html>
************************************style.css************************************
1
2
3
4
5
6
7
8
9
10
11
12
body {background: black;}#canvas1{border: 3px solid white;top: 50%;
left: 50%;
position: absolute;width: 800px;height: 450px;transform: translate(-50%, -50%);
}************************************script.js************************************
1
2
3
4
5
6
7
8
9
10
11
12
13
const canvas = document.getElementById('canvas');
const context = canvas.getContext('2d');
canvas.width = 2000;
canvas.height = 1550;
const image = new Image();
image.src = 'image1.png';
image.addEventListener('load', function(){
context.drawImage(image, 0, 0, canvas.width, canvas.height);
const scannedImage = context.getImageData(0, 0, canvas.width, canvas.height);
console.log(scannedImage);
})
Valora esta pregunta
0
