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Merge pull request #20961 from calixteman/use_image_decoder_chrome

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[api-minor] Use the ImageDecoder by default on Chrome
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Jonas Jenwald 2026-05-01 13:09:43 +02:00 committed by GitHub
commit 8142937ac4
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1 changed files with 1 additions and 19 deletions
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20
src/display/api.js
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@ -21,7 +21,6 @@ import {
AbortException, AbortException,
AnnotationMode, AnnotationMode,
assert, assert,
FeatureTest,
getVerbosityLevel, getVerbosityLevel,
info, info,
isNodeJS, isNodeJS,
@ -166,17 +165,6 @@ const RENDERING_CANCELLED_TIMEOUT = 100; // ms
* `ImageDecoder` in the worker. Primarily used to improve performance of * `ImageDecoder` in the worker. Primarily used to improve performance of
* image conversion/rendering. * image conversion/rendering.
* The default value is `true` in web environments and `false` in Node.js. * The default value is `true` in web environments and `false` in Node.js.
*
* NOTE: Also temporarily disabled in Chromium browsers, until we no longer
* support the affected browser versions, because of various bugs:
*
* - Crashes when using the BMP decoder with huge images, e.g. issue6741.pdf;
* see https://issues.chromium.org/issues/374807001
*
* - Broken images when using the JPEG decoder with images that have custom
* colour profiles, e.g. GitHub discussion 19030;
* see https://issues.chromium.org/issues/378869810
*
* @property {number} [canvasMaxAreaInBytes] - The integer value is used to * @property {number} [canvasMaxAreaInBytes] - The integer value is used to
* know when an image must be resized (uses `OffscreenCanvas` in the worker). * know when an image must be resized (uses `OffscreenCanvas` in the worker).
* If it's -1 then a possibly slow algorithm is used to guess the max value. * If it's -1 then a possibly slow algorithm is used to guess the max value.
@ -284,15 +272,9 @@ function getDocument(src = {}) {
? src.isOffscreenCanvasSupported ? src.isOffscreenCanvasSupported
: !isNodeJS; : !isNodeJS;
const isImageDecoderSupported = const isImageDecoderSupported =
// eslint-disable-next-line no-nested-ternary
typeof src.isImageDecoderSupported === "boolean" typeof src.isImageDecoderSupported === "boolean"
? src.isImageDecoderSupported ? src.isImageDecoderSupported
: // eslint-disable-next-line no-nested-ternary : !isNodeJS;
typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")
? true
: typeof PDFJSDev !== "undefined" && PDFJSDev.test("CHROME")
? false
: !isNodeJS && (FeatureTest.platform.isFirefox || !globalThis.chrome);
const canvasMaxAreaInBytes = Number.isInteger(src.canvasMaxAreaInBytes) const canvasMaxAreaInBytes = Number.isInteger(src.canvasMaxAreaInBytes)
? src.canvasMaxAreaInBytes ? src.canvasMaxAreaInBytes
: -1; : -1;