tree 29fb535d5b46a706d6dee30fef34bcf50baf81d5
parent f8d6f707cd1c8210f9b74872643e34fb7320a98f
author commit-queue@webkit.org <commit-queue@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1579045552 +0000
committer commit-queue@webkit.org <commit-queue@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> 1579045552 +0000

Supported mime types for encoding should be supported mime types for loading
https://bugs.webkit.org/show_bug.cgi?id=206239

Patch by Said Abou-Hallawa <sabouhallawa@apple.com> on 2020-01-14
Reviewed by Simon Fraser.

Source/WebCore:

Consult isSupportedImageType() for the system supported UTI before
considering its mime type is allowed for the image DataURL encoding.

Test: fast/canvas/toDataURL-unsupportedTypes.html

* platform/MIMETypeRegistry.cpp:
(WebCore::MIMETypeRegistry::createMIMETypeRegistryThreadGlobalData):

LayoutTests:

* fast/canvas/toDataURL-unsupportedTypes-expected.txt: Added.
* fast/canvas/toDataURL-unsupportedTypes.html: Added.
Unsupported mime-types for encoding should fall back to 'image/png'.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@254541 268f45cc-cd09-0410-ab3c-d52691b4dbfc