| <!DOCTYPE html> |
| <title>Test that ex, em, rem and ch font sizes are unaffected by zoom level</title> |
| <script src="../../resources/ahem.js"></script> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <style> |
| svg { |
| font-size: 100px; |
| font-family: ahem; |
| } |
| </style> |
| <svg width="100%" height="1em" xmlns="http://www.w3.org/2000/svg" version="1.1"> |
| |
| <text id="em" y="1em" dy="4em">XXXXXX XXX</text> |
| <text id="rem" y="1em" dy="25rem">XXXXXX XXX</text> |
| <text id="ex" y="1em" dy="5ex">XXXXXX XXX</text> |
| <text id="ch" y="1em" dy="4ch">XXXXXX XXX</text> |
| |
| <script> |
| var zoomLevels = [0.3, 4]; |
| var html = document.documentElement; |
| var textElements = document.querySelectorAll('text'); |
| |
| [].forEach.call(textElements, function(elm) { |
| html.style.zoom = 1; |
| var reference_y = elm.getStartPositionOfChar(0).y; |
| |
| zoomLevels.forEach(function (zoom) { |
| html.style.zoom = zoom; |
| test(function () { |
| assert_approx_equals(elm.getStartPositionOfChar(0).y, reference_y, 1); |
| }, "Unit " + elm.id + " not affected by zoom level " + zoom); |
| }); |
| |
| // Clean up to avoid being classified as a text test; avoids an -expected.txt file. |
| elm.remove(); |
| }); |
| html.style.zoom = 1; |
| </script> |
| </svg> |
