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<!DOCTYPE html>
<title>OffscreenCanvas test: 2d.text.draw.generic.family.w</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<script id='myWorker' type='text/worker'>
self.onmessage = function(e) {
let oc = new OffscreenCanvas(88, 24);
let ctx = oc.getContext('2d');
ctx.font = '32px ' + e.data.family;
ctx.fillText(e.data.family, 0, 16);
self.postMessage(ctx.getImageData(0, 0, 88, 24).data);
};
</script>
<script>
function testDrawGenericFamily(t, family)
{
let blob = new Blob([document.getElementById('myWorker').textContent]);
let worker = new Worker(URL.createObjectURL(blob));
worker.addEventListener('message', msg => {
let ctx = document.createElement('canvas').getContext('2d');
ctx.font = '32px ' + family;
ctx.fillText(family, 0, 16);
assert_array_equals(ctx.getImageData(0, 0, 88, 24).data, msg.data,
"The image data generated by drawing generic font family '" + family +
"' should be the same for both OffscreenCanvas and regular canvas");
t.done();
});
worker.postMessage({family: family});
}
async_test(function(t) {
testDrawGenericFamily(t, 'sans-serif');
}, "Test that drawing sans-serif produces the same result between canvas and OffscreenCanvas in a Worker");
async_test(function(t) {
testDrawGenericFamily(t, 'serif');
}, "Test that drawing serif produces the same result between canvas and OffscreenCanvas in a Worker");
async_test(function(t) {
testDrawGenericFamily(t, 'cursive');
}, "Test that drawing cursive produces the same result between canvas and OffscreenCanvas in a Worker");
async_test(function(t) {
testDrawGenericFamily(t, 'fantasy');
}, "Test that drawing fantasy produces the same result between canvas and OffscreenCanvas in a Worker");
async_test(function(t) {
testDrawGenericFamily(t, 'monospace');
}, "Test that drawing monospace produces the same result between canvas and OffscreenCanvas in a Worker");
</script>
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