On Nov 18, 2008, at 1:57 PM, Rua Haszard Morris wrote:
What are the different options for flipping the coordinates of the
destination view? I've tried doing it by scaling and translating the
CGContext, but this results in problems with underlining or the
character orientation (depending on whether i flip the view back
before or after drawing the text).
At the moment the only method which results in correct text is to
have a custom view and override isFlipped - is this the only
recommended method?
I ask because I have to use these strings within custom views (which
may for example have rotated contexts), as well as in standard
controls, and simpler custom views purely for drawing these
attributed strings. If the only method to have the attributes
(particularly underline) interpreted correctly is to perform the
drawing in a isFlipped NSView subclass, then I need to rejig things
so the complex custom views embed an NSView rather than draw the
attributed string manually.
The other alternative would be to use the NSStringDrawing APIs instead
of using NSLayoutManager directly.
Douglas Davidson
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