| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>Canvas test: 2d.text.measure.emHeights</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> |
| <style> |
| @font-face { |
| font-family: CanvasTest; |
| src: url("/fonts/CanvasTest.ttf"); |
| } |
| </style> |
| <body class="show_output"> |
| |
| <h1>2d.text.measure.emHeights</h1> |
| <p class="desc">Testing emHeights</p> |
| |
| |
| <span style="font-family: CanvasTest; position: absolute; visibility: hidden">A</span> |
| <p class="output">Actual output:</p> |
| <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> |
| |
| <ul id="d"></ul> |
| <script> |
| var t = async_test("Testing emHeights"); |
| _addTest(function(canvas, ctx) { |
| |
| deferTest(); |
| var f = new FontFace("CanvasTest", "/fonts/CanvasTest.ttf"); |
| document.fonts.add(f); |
| document.fonts.ready.then(() => { |
| step_timeout(t.step_func_done(function () { |
| ctx.font = '50px CanvasTest'; |
| ctx.direction = 'ltr'; |
| ctx.align = 'left' |
| _assertSame(ctx.measureText('A').emHeightAscent, 37.5, "ctx.measureText('A').emHeightAscent", "37.5"); |
| _assertSame(ctx.measureText('A').emHeightDescent, 12.5, "ctx.measureText('A').emHeightDescent", "12.5"); |
| _assertSame(ctx.measureText('A').emHeightDescent + ctx.measureText('A').emHeightAscent, 50, "ctx.measureText('A').emHeightDescent + ctx.measureText('A').emHeightAscent", "50"); |
| |
| _assertSame(ctx.measureText('ABCD').emHeightAscent, 37.5, "ctx.measureText('ABCD').emHeightAscent", "37.5"); |
| _assertSame(ctx.measureText('ABCD').emHeightDescent, 12.5, "ctx.measureText('ABCD').emHeightDescent", "12.5"); |
| _assertSame(ctx.measureText('ABCD').emHeightDescent + ctx.measureText('ABCD').emHeightAscent, 50, "ctx.measureText('ABCD').emHeightDescent + ctx.measureText('ABCD').emHeightAscent", "50"); |
| }), 500); |
| }); |
| |
| |
| }); |
| </script> |
| |
