| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/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="/html/canvas/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'); |
| |
| var f = new FontFace("CanvasTest", "url('/fonts/CanvasTest.ttf')"); |
| let fonts = (self.fonts ? self.fonts : document.fonts); |
| f.load(); |
| fonts.add(f); |
| fonts.ready.then(function() { |
| ctx.font = '50px CanvasTest'; |
| 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> |