Are HIShapeRef's and CGPathRef's interchangeable? That is, can I
typecast one to the other and vice versa?
...I ask because I'm converting a huge codebase from quickdraw to
coregraphics, and this week I'm focused on regions...after reading the
"Replacing QuickDraw Regions" technote, I started converting
RgnHandle's to CGPathRef's or CGMutablePathRef's...then I saw that
SectRgn, UnionRgn, and DiffRgn don't have CGPath equivalents and that
the HIShape api could be used...unfortunately I haven't found much
documentation about HIShape's api beyond the header file, so I'm kinda
stuck (the code isn't in a runnable state at the moment, so no testing
...any pearls of wisdom here?
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