Re: Clean up and fix glyph contour generation nits. (issue 566080043 by address@hidden)

[lemzwerg]

I don't fully understand this code.  Please add more comments.

A quite well documented routine to walk over a contour is function
`FT_Outline_Decompose` in file `src/base/ftoutln.c` of the FreeType
source code.



https://codereview.appspot.com/566080043/diff/560030043/lily/freetype.cc
File lily/freetype.cc (right):

https://codereview.appspot.com/566080043/diff/560030043/lily/freetype.cc#newcode124
lily/freetype.cc:124: else if (ctags[j] & 1)
s/1/FT_CURVE_TAG_ON/

https://codereview.appspot.com/566080043/diff/560030043/lily/freetype.cc#newcode132
lily/freetype.cc:132: else if (ctags[j] & 2)
s/2/FT_CURVE_TAG_CUBIC/

https://codereview.appspot.com/566080043/