| <!doctype html> |
| <title>Test that baseline-shift is unaffected by zoom level</title> |
| <script src="../../resources/ahem.js"></script> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <svg width="250" height="140" viewBox="0 0 250 140" |
| xmlns="http://www.w3.org/2000/svg" version="1.1"> |
| <style> |
| text { |
| font-family: ahem; |
| font-size: 20px; |
| } |
| </style> |
| <text x="15" y="40">before<tspan>inter</tspan>after</text> |
| <script> |
| var baselineShiftValues = ["10px", "-50%"]; // Shift half a step up or down |
| var zoomLevels = [1, 4, 16]; |
| |
| var html = document.documentElement; |
| baselineShiftValues.forEach(function (baselineShiftValue) { |
| document.querySelector('tspan').setAttribute('baseline-shift', baselineShiftValue); |
| zoomLevels.forEach(function (zoom) { |
| html.style.zoom = zoom; |
| var baselineShiftDelta = (document.querySelector('text').getStartPositionOfChar(0).y - |
| document.querySelector('tspan').getStartPositionOfChar(0).y); |
| test(function () { |
| assert_equals(Math.abs(baselineShiftDelta), 10, "Baseline half a font-size up or down"); |
| }, "Text bounds height at zoom " + zoom + " with baseline-shift=" + baselineShiftValue); |
| }); |
| }); |
| html.style.zoom = 1; |
| // Clean up to avoid being classified as a text test; avoids an -expected.txt file. |
| document.querySelector('text').remove(); |
| </script> |
| </svg> |
