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Draw correctly background images in ref tests

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It's a workaround for bug https://bugzilla.mozilla.org/show_bug.cgi?id=1844414.
It should be reverted (in order to avoid a perf penalty) once the bug is fixed
in Firefox.
This commit is contained in:
Calixte Denizet 2023-07-19 20:14:18 +02:00
parent f19991a36f
commit 7cd062ec68
1 changed files with 15 additions and 6 deletions
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21
test/driver.js
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@ -61,16 +61,12 @@ function loadStyles(styles) {
return Promise.all(promises);
}
function writeSVG(svgElement, ctx) {
// We need to have UTF-8 encoded XML.
const svg_xml = unescape(
encodeURIComponent(new XMLSerializer().serializeToString(svgElement))
);
function loadImage(svg_xml, ctx) {
return new Promise((resolve, reject) => {
const img = new Image();
img.src = "data:image/svg+xml;base64," + btoa(svg_xml);
img.onload = function () {
ctx.drawImage(img, 0, 0);
ctx?.drawImage(img, 0, 0);
resolve();
};
img.onerror = function (e) {
@ -79,6 +75,19 @@ function writeSVG(svgElement, ctx) {
});
}
async function writeSVG(svgElement, ctx) {
// We need to have UTF-8 encoded XML.
const svg_xml = unescape(
encodeURIComponent(new XMLSerializer().serializeToString(svgElement))
);
if (svg_xml.includes("background-image: url("data:image")) {
// Workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=1844414
// we load the image two times.
await loadImage(svg_xml, null);
}
return loadImage(svg_xml, ctx);
}
async function inlineImages(node, silentErrors = false) {
const promises = [];