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<!DOCTYPE html>
<html>
<body>
​
<canvas id="myCanvas" width="300" height="150" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>
​
<script>
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.fillStyle = "red";
ctx.fillRect(10, 10, 50, 50);
​
function copy() {
  var imgData = ctx.getImageData(10, 10, 50, 50);
  ctx.putImageData(imgData, 10, 70);
}
</script>
​
<button onclick="copy()">Copy</button>
​
</body>
​
<!-- Mirrored from www.w3schools.com/tags/tryit.asp?filename=tryhtml5_canvas_getimagedata by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:11:09 GMT -->
</html>
​
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