longsonr
35d0a69a19
- continuations should still count as being within a TextFrame iterator subtree - store the subtree continuations in a set to avoid virtual function calls when iterating - add missing range checks to some dom methods so that methods on tspans cannot overflow Differential Revision: https://phabricator.services.mozilla.com/D300527
30 lines
1.1 KiB
HTML
30 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>SVGTextContentElement.getExtentOfChar</title>
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<link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/text.html#__svg__SVGTextContentElement__getExtentOfChar">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<svg width="800" height="200">
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<text><tspan id="tspan1" x="50 150 100" y="100">abc</tspan>d</text>
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<text dominant-baseline="hanging"><tspan id="tspan2" x="50" y="150">abc</tspan></text>
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</svg>
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<script>
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test(() => {
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const element = document.querySelector('#tspan1');
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assert_equals(element.getNumberOfChars(), 3);
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assert_equals(element.getExtentOfChar(0).x, 50);
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assert_equals(element.getExtentOfChar(1).x, 150);
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assert_equals(element.getExtentOfChar(2).x, 100);
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assert_throws_dom("IndexSizeError", () => element.getExtentOfChar(3));
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}, 'Multiple chunks in a tspan');
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test(() => {
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const element = document.querySelector('#tspan2');
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assert_equals(element.getNumberOfChars(), 3);
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assert_equals(element.getExtentOfChar(0).x, 50);
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assert_approx_equals(element.getExtentOfChar(0).y, 147.5, 1);
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}, 'With dominant-baseline');
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</script>
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