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| (Empty) | |
| 1 <!doctype html> |
| 2 <title>Test that baseline-shift is unaffected by zoom level</title> |
| 3 <script src="../../resources/testharness.js"></script> |
| 4 <script src="../../resources/testharnessreport.js"></script> |
| 5 <svg width="250" height="140" viewBox="0 0 250 140" |
| 6 xmlns="http://www.w3.org/2000/svg" version="1.1"> |
| 7 <style> |
| 8 text { |
| 9 font-family: ahem; |
| 10 font-size: 20px; |
| 11 } |
| 12 </style> |
| 13 <text x="15" y="40">before<tspan>inter</tspan>after</text> |
| 14 <script> |
| 15 var baselineShiftValues = ["sub", "super", "10px", "-50%"]; // Shift half a
step up or down |
| 16 var zoomLevels = [1, 4, 16]; |
| 17 |
| 18 var html = document.documentElement; |
| 19 baselineShiftValues.forEach(function (baselineShiftValue) { |
| 20 document.querySelector('tspan').setAttribute('baseline-shift', baselineS
hiftValue); |
| 21 zoomLevels.forEach(function (zoom) { |
| 22 html.style.zoom = zoom; |
| 23 var baselineShiftDelta = (document.querySelector('text').getStartPos
itionOfChar(0).y - |
| 24 document.querySelector('tspan').getStartPositionOfChar(0).y); |
| 25 test(function () { |
| 26 assert_equals(Math.abs(baselineShiftDelta), 10, "Baseline half a
font-size up or down"); |
| 27 }, "Text bounds height at zoom " + zoom + " with baseline-shift=" +
baselineShiftValue); |
| 28 }); |
| 29 }); |
| 30 html.style.zoom = 1; |
| 31 </script> |
| 32 </svg> |
| 33 <p>This test requires the Ahem font</p> |
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Chromium Code Reviews
Issue 1081813003:
Remove effective zoom from font metrics before SVG text layout. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master