Folks,
ftview now supports colored glyph layers (see attached image)! This
is mainly a proof of concept; there are still some bits missing here
and there.
While working on this I found flaws in the original code contribution
for handling COLR tables: The per-glyph data was stored and allocated
in `FT_GlyphSlot', making it quite inconvenient if you are going to
handle colored glyph layers manually. For this reason I implemented a
completely different API which uses an iterator object that works on
the `FT_Face' level and avoids allocation altogether.
There is also a new API to blend two bitmaps.
Please comment! Maybe the APIs (and its documentation) can be further
improved.
Alexei, you suggested to handle sub-pixel shifts in blending bitmaps.
This is not implemented yet. Admittedly, I have no idea how to do
that gracefully. Can you work on that? Similarly, there is still no
support for bitmaps with a different flow direction; I would be glad
if you could add this also.
Werner
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