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2d.text.draw.align.center.html
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2d.text.draw.align.center.html
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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /offscreen-canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.text.draw.align.center</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/2dcontext/resources/canvas-tests.js"></script>
<h1>2d.text.draw.align.center</h1>
<p class="desc">textAlign center is the center of the em squares (not the bounding box)</p>
<script>
var t = async_test("textAlign center is the center of the em squares (not the bounding box)");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
throw reason;
});
t.step(function() {
var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');
ctx.font = '50px CanvasTest';
new Promise(function(resolve) { step_timeout(resolve, 500); })
.then(function() {
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.textAlign = 'center';
ctx.fillText('DD', 50, 37.5);
_assertPixelApprox(offscreenCanvas, 5,5, 0,255,0,255, "5,5", "0,255,0,255", 2);
_assertPixelApprox(offscreenCanvas, 95,5, 0,255,0,255, "95,5", "0,255,0,255", 2);
_assertPixelApprox(offscreenCanvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255", 2);
_assertPixelApprox(offscreenCanvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255", 2);
_assertPixelApprox(offscreenCanvas, 5,45, 0,255,0,255, "5,45", "0,255,0,255", 2);
_assertPixelApprox(offscreenCanvas, 95,45, 0,255,0,255, "95,45", "0,255,0,255", 2);
}).then(t_pass, t_fail);
});
</script>