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[api-minor] Make isOffscreenCanvasSupported configurable via the API (issue 14952)

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This patch first of all makes `isOffscreenCanvasSupported` configurable, defaulting to `true` in browsers and `false` in Node.js environments, with a new `getDocument` parameter. While you normally want to use this, in order to improve performance, it should still be possible for users to control it (similar to e.g. `isEvalSupported`).

The specific problem, as reported in issue 14952, is that the SVG back-end doesn't support the new ImageMask data-format that's introduced in PR 14754. In particular:
 - When the SVG back-end is used in Node.js environments, this patch will "just work" without the user needing to make any code changes.
 - If the SVG back-end is used in browsers, this patch will require that `isOffscreenCanvasSupported: false` is added to the `getDocument`-call.
This commit is contained in:
Jonas Jenwald 2022-10-06 22:05:32 +02:00
parent 7d5f7a517c
commit 1ea4c4b519
6 changed files with 37 additions and 5 deletions
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src/core/worker.js
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@ -410,6 +410,7 @@ class WorkerMessageHandler {
disableFontFace: data.disableFontFace,
ignoreErrors: data.ignoreErrors,
isEvalSupported: data.isEvalSupported,
isOffscreenCanvasSupported: data.isOffscreenCanvasSupported,
fontExtraProperties: data.fontExtraProperties,
useSystemFonts: data.useSystemFonts,
cMapUrl: data.cMapUrl,