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Update font when resolving letter-spacing: calc(...) values https://bugs.webkit.org/show_bug.cgi?id=216659 Patch by Frederic Wang <fwang@igalia.com> on 2021-01-21 Reviewed by Ryosuke Niwa. Source/WebCore: In bug 176215, maybeUpdateFontForLetterSpacing was added to ensure a font is available for resolution of letter-spacing values that rely on relative font lengths. However, this does not take into account the case when these lengths are part of a calc expression. In order to keep things simple, this patch unconditionally updates the font when letter-spacing is a calc expression. Test: fast/css/letter-spacing-calc-with-font-relative-lengths-crash.html * style/StyleBuilderCustom.h: (WebCore::Style::maybeUpdateFontForLetterSpacing): LayoutTests: * fast/css/letter-spacing-calc-with-font-relative-lengths-crash-expected.txt: Added. * fast/css/letter-spacing-calc-with-font-relative-lengths-crash.html: Added. Canonical link: https://commits.webkit.org/233197@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@271688 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2021-01-21 09:51:11 +00:00
This test passes if it does not crash.