#11822: Implement B_UNDERSCORE_FACE
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Reporter: sambuddhabasu1 | Owner: nobody
Type: enhancement | Status: assigned
Priority: normal | Milestone: R1
Component: Kits/Interface Kit | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Blocking: 8555
Has a Patch: 0 | Platform: All
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Comment (by stippi):
The AGG library used as the app_server vector drawing backend has some
useful code for this. One could load a vector glyph, create a "faux bold"
version of the glyph using agg::conv_contour, generate the underline
vector path, and substract the faux-bold-glyph from the underline. Either
using vector boolean operations, or scanline boolean operations (the later
is also included in AGG), the re-combine with the original glyph. This
will give an underline that has gaps for glyphs that extend below the
baseline, such as 'y' or 'g'.
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Ticket URL: <https://dev.haiku-os.org/ticket/11822#comment:4>
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