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feat: placeholder rects for images

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This commit is contained in:
Tomáš Mládek 2022-12-08 00:14:18 +01:00
parent f108129222
commit 1bb6be50b1
1 changed files with 12 additions and 2 deletions
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14
src/components/SVGContent.svelte
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@ -391,9 +391,9 @@
return result; return result;
} }
function processImages(document: SVGElement): SVGImageElement[] { function processImages(svgDocument: SVGElement): SVGImageElement[] {
const result: SVGImageElement[] = []; const result: SVGImageElement[] = [];
Array.from(document.getElementsByTagName("image")).forEach((image) => { Array.from(svgDocument.getElementsByTagName("image")).forEach((image) => {
const href = image.getAttribute("xlink:href"); const href = image.getAttribute("xlink:href");
console.debug(`[SVG/IMAGES] Found image #${image.id} (${href}).`); console.debug(`[SVG/IMAGES] Found image #${image.id} (${href}).`);
const origPath = href.split("/"); const origPath = href.split("/");
@ -401,6 +401,16 @@
newHref = newHref.replace(/jpg$/, "webp"); newHref = newHref.replace(/jpg$/, "webp");
image.setAttribute("xlink:href", newHref); image.setAttribute("xlink:href", newHref);
result.push(image); result.push(image);
const placeholderRect = document.createElementNS(
"http://www.w3.org/2000/svg",
"rect"
);
placeholderRect.setAttribute("fill", "lightgray");
["x", "y", "width", "height"].forEach((attr) => {
placeholderRect.setAttribute(attr, image.getAttribute(attr));
});
image.parentElement.prepend(placeholderRect);
}); });
return result; return result;
} }