convert bottom left orgin position to top left origin position (and the reverse)

Question

I am wondering about the right way to convert a bottom left orgin position to top left origin position (and the oposite operation) under Mac OS X taking into account: - Multi screen configurations - Where these screens can be arranged in all possible configurations.

Thanks in advance for your help,

Regards,

Surely it's as simple as negating the y-values for your coordinates. — , Nov 16 '10 at 09:42

score 3 · Accepted Answer · edited May 23 '17 at 09:58

3

see How do I convert Cocoa co-ords from top left == origin to bottom left == origin

Good answers there...

edited May 23 '17 at 09:58

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answered Jan 17 '11 at 12:37

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convert bottom left orgin position to top left origin position (and the reverse)

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