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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-getboundingclientrect">
<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-range-getboundingclientrect">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
text {
font-family: Ahem;
font-size: 10px;
line-height: 1;
width: 10ch;
}
</style>
<body>
<svg width="800" height="100">
<text x="20" y="20" id="text-1">An SVG text element with no "transform" attribute</text>
<text x="20" y="50" id="text-2" transform="matrix(2,0,0,2,0,0)">An SVG with a "transform" attribute</text>
<text x="20" y="80" id="text-3" rotate="45">An SVG with a "rotate" attribute</text>
</svg>
<script>
function getBoundingClientRect(node, start, end) {
const range = document.createRange();
range.setStart(node, start);
range.setEnd(node, end);
const rect = range.getBoundingClientRect();
return rect;
}
test(() => {
const element = document.querySelector('#text-1');
const elementRect = element.getBoundingClientRect();
const rangeRect = getBoundingClientRect(element.firstChild, 0, element.firstChild.length);
assert_approx_equals(elementRect.x, rangeRect.x, 1);
assert_approx_equals(elementRect.y, rangeRect.y, 1);
assert_approx_equals(elementRect.width, rangeRect.width, 1);
assert_approx_equals(elementRect.height, rangeRect.height, 1);
}, 'Element.getBoundingClientRect() and Range.getBoudingClientRect() should match for an SVG <text>');
test(() => {
const element = document.querySelector('#text-2');
const elementRect = element.getBoundingClientRect();
const rangeRect = getBoundingClientRect(element.firstChild, 0, element.firstChild.length);
assert_approx_equals(elementRect.x, rangeRect.x, 1);
assert_approx_equals(elementRect.y, rangeRect.y, 1);
assert_approx_equals(elementRect.width, rangeRect.width, 1);
assert_approx_equals(elementRect.height, rangeRect.height, 1);
}, 'Element.getBoundingClientRect() and Range.getBoudingClientRect() should match for an SVG <text> with a transform');
test(() => {
const element = document.querySelector('#text-3');
const elementRect = element.getBoundingClientRect();
const rangeRect = getBoundingClientRect(element.firstChild, 0, element.firstChild.length);
assert_approx_equals(elementRect.x, rangeRect.x, 1);
assert_approx_equals(elementRect.y, rangeRect.y, 1);
assert_approx_equals(elementRect.width, rangeRect.width, 1);
assert_approx_equals(elementRect.height, rangeRect.height, 1);
}, 'Element.getBoundingClientRect() and Range.getBoudingClientRect() should match for an SVG <text> with a rotate');
</script>
</body>
|
