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Merge pull request #18417 from Snuffleupagus/DOMFilterFactory-baseUrl

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Create absolute filter-URLs when needed in `DOMFilterFactory` (issue 18406)
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Jonas Jenwald 2024-07-11 12:25:16 +02:00 • committed by GitHub
commit 8082c2daf1
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4 changed files with 35 additions and 5 deletions
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31
src/display/display_utils.js
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@ -49,6 +49,8 @@ class PixelsPerInch {
* does the magic for us.
*/
class DOMFilterFactory extends BaseFilterFactory {
#baseUrl;
#_cache;
#_defs;
@ -121,6 +123,25 @@ class DOMFilterFactory extends BaseFilterFactory {
return [bufferR.join(","), bufferG.join(","), bufferB.join(",")];
}
#createUrl(id) {
if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
if (this.#baseUrl === undefined) {
const url = this.#document.URL;
if (url === this.#document.baseURI) {
// No `<base>`-element present, hence a relative URL should work.
this.#baseUrl = "";
} else if (isDataScheme(url)) {
warn('#createUrl: ignore "data:"-URL for performance reasons.');
this.#baseUrl = "";
} else {
this.#baseUrl = url.split("#", 1)[0];
}
}
return `url(${this.#baseUrl}#${id})`;
}
return `url(${id})`;
}
addFilter(maps) {
if (!maps) {
return "none";
@ -146,7 +167,7 @@ class DOMFilterFactory extends BaseFilterFactory {
// https://www.w3.org/TR/SVG11/filters.html#feComponentTransferElement
const id = `g_${this.#docId}_transfer_map_${this.#id++}`;
const url = `url(#${id})`;
const url = this.#createUrl(id);
this.#cache.set(maps, url);
this.#cache.set(key, url);
@ -232,7 +253,7 @@ class DOMFilterFactory extends BaseFilterFactory {
filter
);
info.url = `url(#${id})`;
info.url = this.#createUrl(id);
return info.url;
}
@ -254,7 +275,7 @@ class DOMFilterFactory extends BaseFilterFactory {
}
const id = `g_${this.#docId}_alpha_map_${this.#id++}`;
const url = `url(#${id})`;
const url = this.#createUrl(id);
this.#cache.set(map, url);
this.#cache.set(key, url);
@ -287,7 +308,7 @@ class DOMFilterFactory extends BaseFilterFactory {
}
const id = `g_${this.#docId}_luminosity_map_${this.#id++}`;
const url = `url(#${id})`;
const url = this.#createUrl(id);
this.#cache.set(map, url);
this.#cache.set(key, url);
@ -389,7 +410,7 @@ class DOMFilterFactory extends BaseFilterFactory {
filter
);
info.url = `url(#${id})`;
info.url = this.#createUrl(id);
return info.url;
}