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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/webmessaging/without-ports/011.html
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!doctype html>
+<title>posting an imagedata (from a cloned canvas) in an array</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+async_test(function() {
+
+ var canvas = document.createElement('canvas');
+ var clone = canvas.cloneNode(true);
+ var ctx = clone.getContext('2d');
+ var imagedata = ctx.getImageData(0, 0, 300, 150);
+ postMessage([imagedata], '*');
+
+ onmessage = this.step_func(function(e) {
+ function processPixels(imagedata) {
+ var pixeldata = imagedata.data;
+ for (var i = 0; i < pixeldata.length; i = i+4) {
+ pixeldata[i] = 128;
+ assert_equals(pixeldata[i], 128);
+ }
+ }
+ processPixels(e.data[0]);
+ this.done();
+ });
+
+});
+</script>
+