[Webkit-unassigned] [Bug 178821] New: [CG] Add an SPI to allow loading images which CG support but they are not in WebKit whitelist

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Oct 25 12:02:09 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=178821

            Bug ID: 178821
           Summary: [CG] Add an SPI to allow loading images which CG
                    support but they are not in WebKit whitelist
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Images
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com

After <http://trac.webkit.org/changeset/215829>, WebKit supports only a whitelist of image formats. Loading an image with any other format will be cancelled and the image will be displayed as a broken image. The whitelist was chosen based on what image formats other browsers support and which image formats are standard. But some of the WebView clients use it for different purposes other than showing web pages. Those clients may want to display image with formats not in the WebKit whitelist.

To fix this issue we need to expose an SPI to those clients so they can enable any format they want as long as "CG supports these formats".

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