1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
2 // OffscreenCanvas test in a worker:2d.text.draw.align.center
3 // Description:textAlign center is the center of the em squares (not the bounding box)
6 importScripts("/resources/testharness.js");
7 importScripts("/html/canvas/resources/canvas-tests.js");
9 var t = async_test("textAlign center is the center of the em squares (not the bounding box)");
10 var t_pass = t.done.bind(t);
11 var t_fail = t.step_func(function(reason) {
16 var canvas = new OffscreenCanvas(100, 50);
17 var ctx = canvas.getContext('2d');
19 var f = new FontFace("CanvasTest", "url('/fonts/CanvasTest.ttf')");
20 let fonts = (self.fonts ? self.fonts : document.fonts);
23 fonts.ready.then(function() {
24 ctx.font = '50px CanvasTest';
25 ctx.fillStyle = '#f00';
26 ctx.fillRect(0, 0, 100, 50);
27 ctx.fillStyle = '#0f0';
28 ctx.textAlign = 'center';
29 ctx.fillText('DD', 50, 37.5);
30 _assertPixelApprox(canvas, 5,5, 0,255,0,255, 2);
31 _assertPixelApprox(canvas, 95,5, 0,255,0,255, 2);
32 _assertPixelApprox(canvas, 25,25, 0,255,0,255, 2);
33 _assertPixelApprox(canvas, 75,25, 0,255,0,255, 2);
34 _assertPixelApprox(canvas, 5,45, 0,255,0,255, 2);
35 _assertPixelApprox(canvas, 95,45, 0,255,0,255, 2);
36 }).then(t_pass, t_fail);