[Webkit-unassigned] [Bug 156579] New: Doesn't support coloured fonts

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Apr 14 07:19:46 PDT 2016


https://bugs.webkit.org/show_bug.cgi?id=156579

            Bug ID: 156579
           Summary: Doesn't support coloured fonts
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bugzilla at hadess.net
                CC: bugs-noreply at webkitgtk.org

This font:
https://github.com/Ranks/emojione/blob/master/assets/fonts/emojione-android.ttf
has coloured glyphs.

Freetype supports this type of glyph when passed the FT_LOAD_COLOR load flag, as done in this cairo branch:
https://github.com/matthiasclasen/cairo/tree/matthiasc/color-emoji-4

This cairo patch is enough to make GTK+ render the font correctly, but as WebKitGTK+ uses freetype directly, it doesn't work in Epiphany.

Example page:
https://git.gnome.org/browse/pango/tree/pango-view/EMOJI-MODIFIERS.txt

This works when shown in GTK+/gedit after forcing the font.

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