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26 December 2018, 22:31:15 UTC
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Tip revision: a1564e828861e2dbb83112d3b7d48c6d97be6dfc authored by Anne van Kesteren on 18 November 2015, 11:48:35 UTC
Tests for navigating window.opener across origins
Tip revision: a1564e8
drawimage_canvas_3.html 
<!DOCTYPE html>
<meta charset="utf-8">
<link rel=match href=drawimage_canvas_3_ref.html>
<style>
  html, body {
    margin: 0;
  }
</style>
<canvas id="dest" height="100" width="100"></canvas>
<script>

var sourceWidth = 50;
var sourceHeight = 50;
var smoothingEnabled = false;
var destCanvas = document.getElementById('dest');
var sourceCanvas = document.createElement('canvas');
sourceCanvas.width = sourceWidth;
sourceCanvas.height = sourceHeight;

var sourceCtx = sourceCanvas.getContext('2d');
sourceCtx.fillStyle = "#00FFFF";
sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
sourceCtx.fillStyle = "#000000";
sourceCtx.fillRect(5,5,40,40);

var destCtx = destCanvas.getContext('2d');
destCtx.fillStyle = "#FF0000";
destCtx.fillRect(0, 0,  destCanvas.width, destCanvas.height);
destCtx.imageSmoothingEnabled = smoothingEnabled;

// 4 arguments, the source origin is not 0,0, the dest size is provided
// The source canvas will copied to the 50, 50 position of the destination canvas and
// on an area of 50x50 pixels
destCtx.drawImage(sourceCanvas, 50, 50, 50, 50);

</script>
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