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<!DOCTYPE html>
<meta charset="utf-8">
<meta name="timeout" content="long">
<title>Testcase for SVG viewBox synthesis when SVG is used as an image</title>
<link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com">
<link rel="help" href="https://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1916030">
<link rel="match" href="viewBox-synthesized-in-img-001-ref.html">
<style>
img {
border: 1px solid black;
margin: 2px;
vertical-align: top;
}
</style>
<body>
<script>
function makeDataURI(width, height) {
let uri = "data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg'";
if (width != "") {
uri += ` width='${width}'`;
}
if (height != "") {
uri += ` height='${height}'`;
}
uri += "><rect fill='blue' x='2' y='2' height='6' width='6'/></svg>";
return uri;
}
// Note: negative numbers here are equivalent to 0, for the purposes of
// what we're testing here. We test both for robustness.
const SVG_SIZE_VALS_TO_TEST = [ "", "0", "0%", "-5", "-5%", "10" ];
const IMG_SIZE_VALS_TO_TEST = [ "20", "30" ];
function go() {
// We group our elements into rows with a particular number of items,
// to make sure things fit nicely/predictably into the WPT viewport:
const NUM_ELEMS_PER_ROW = 12;
let elemIdx = 0;
let container;
for (iw of IMG_SIZE_VALS_TO_TEST) {
for (ih of IMG_SIZE_VALS_TO_TEST) {
for (sw of SVG_SIZE_VALS_TO_TEST) {
for (sh of SVG_SIZE_VALS_TO_TEST) {
// Generate a new container element at the start and every N elems:
if (elemIdx % NUM_ELEMS_PER_ROW == 0) {
container = document.createElement("div");
document.body.appendChild(container);
}
elemIdx++;
const img = document.createElement("img");
img.setAttribute("width", iw);
img.setAttribute("height", ih);
const dataURI = makeDataURI(sw, sh);
img.setAttribute("src", dataURI);
container.appendChild(img);
}
}
}
}
}
go();
</script>
</body>
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