| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <meta charset="UTF-8"> |
| <title>OffscreenCanvas test: 2d.text.measure.text-clusters-position.tentative</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.measure.text-clusters-position.tentative</h1> |
| <p class="desc">Test that TextMetrics::getTextClusters() returns clusters that are positioned according to the target align and baseline passed as options.</p> |
| |
| |
| <script> |
| promise_test(async t => { |
| |
| var canvas = new OffscreenCanvas(500, 500); |
| var ctx = canvas.getContext('2d'); |
| |
| var f = new FontFace("CanvasTest", "url('/fonts/CanvasTest.ttf')"); |
| f.load(); |
| document.fonts.add(f); |
| await document.fonts.ready; |
| ctx.font = '40px CanvasTest'; |
| const text = 'E'; |
| |
| // Origin for all the measurements is placed at the top left corner. |
| ctx.textAlign = 'left'; |
| ctx.textBaseline = 'top'; |
| let tm = ctx.measureText(text); |
| |
| // X position. |
| _assertSame(Math.abs(tm.getTextClusters({align: 'left'})[0].x), 0, "Math.abs(tm.getTextClusters({align: 'left'})[\""+(0)+"\"].x)", "0"); |
| _assertSame(tm.getTextClusters({align: 'center'})[0].x, 20, "tm.getTextClusters({align: 'center'})[\""+(0)+"\"].x", "20"); |
| _assertSame(tm.getTextClusters({align: 'right'})[0].x, 40, "tm.getTextClusters({align: 'right'})[\""+(0)+"\"].x", "40"); |
| |
| // Y position. |
| _assertSame(Math.abs(tm.getTextClusters({baseline: 'top'})[0].y), 0, "Math.abs(tm.getTextClusters({baseline: 'top'})[\""+(0)+"\"].y)", "0"); |
| _assertSame(tm.getTextClusters({baseline: 'middle'})[0].y, 20, "tm.getTextClusters({baseline: 'middle'})[\""+(0)+"\"].y", "20"); |
| _assertSame(tm.getTextClusters({baseline: 'bottom'})[0].y, 40, "tm.getTextClusters({baseline: 'bottom'})[\""+(0)+"\"].y", "40"); |
| _assertSame(tm.getTextClusters({baseline: 'alphabetic'})[0].y, 30, "tm.getTextClusters({baseline: 'alphabetic'})[\""+(0)+"\"].y", "30"); |
| |
| }, "Test that TextMetrics::getTextClusters() returns clusters that are positioned according to the target align and baseline passed as options."); |
| </script> |
