[Webkit-unassigned] [Bug 183210] New: [FreeType] Remove FontPlatformData fallbacks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183210

            Bug ID: 183210
           Summary: [FreeType] Remove FontPlatformData fallbacks
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: bugs-noreply at webkitgtk.org

They are only used by FontCache::systemFallbackForCharacters() where a direct FcFontMatch provides the same results in a more efficient way. This produces better results in 3 tests:

fast/text/international/bidi-LDB-2-CSS.html
fast/text/international/bidi-LDB-2-HTML.html
fast/text/international/bidi-LDB-2-formatting-characters.html

For some reason when using the fallbacks to get the system fallback font the non-bold font is selected for H1, while using FcFontMatch returns the right bold font. I can only reproduce this inside the testing environment, so maybe it's not actually a bug, but in the best case removing the fallbacks doesn't regress.

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