1 <canvas id=
"mycanvas"></canvas>
2 <img id=
"result" onload=
"testDone()">
3 <script type = 'text/javascript'
>
4 if (window.testRunner) {
5 testRunner.dumpAsTextWithPixelResults();
6 testRunner.waitUntilDone();
11 if (window.testRunner)
12 testRunner.notifyDone();
15 var image = new Image();
16 image.onload = function() {
17 var canvas = document.getElementById(
"mycanvas");
18 canvas.width = image.width;
19 canvas.height = image.height;
20 var ctx = canvas.getContext('
2d');
21 ctx.drawImage(image,
0,
0);
23 canvas.toBlob(function(blob) {
24 url = URL.createObjectURL(blob);
26 },
"image/webp",
1.0);
28 image.src =
"resources/letters.png";