1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
<svg id="svg" xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml" viewBox="0 0 36 36" width="600" height="600">
<title>Strokes w/dashes are properly hit-tested, even at large scale factors</title>
<h:script src="/resources/testharness.js"/>
<h:script src="/resources/testharnessreport.js"/>
<metadata>
<h:link rel="help" href="https://svgwg.org/svg2-draft/shapes.html#CircleElement"/>
<h:link rel="help" href="https://svgwg.org/svg2-draft/painting.html#StrokeProperties"/>
</metadata>
<circle id="circle" cx="6" cy="10" r="5" stroke="blue" stroke-width="1" stroke-dasharray="10 21.4159" fill="none"/>
<script>
<![CDATA[
test(function() {
let svg = document.getElementById("svg");
let circle = document.getElementById("circle");
let hitTest = function(x, y) {
return document.elementFromPoint(
x * svg.width.baseVal.value / svg.viewBox.baseVal.width,
y * svg.height.baseVal.value / svg.viewBox.baseVal.height);
}
assert_equals(hitTest(11, 10), circle, "hit-test the beginning of the dash (t=0)");
assert_equals(hitTest(8.70, 14.21), circle, "hit-test the middle of the dash (t=5)");
assert_equals(hitTest(4.10, 14.63), circle, "hit-test the end of the dash (t=9.8)");
assert_equals(hitTest(3.74, 14.46), svg, "hit-test past the end of the dash (t=10.2)");
});
]]>
</script>
</svg>
|