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Asked: 2026-05-13T13:05:54+00:00

Is there any difference between a CGRect and an NSRect ? In particular, I’m

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Is there any difference between a CGRect and an NSRect? In particular, I’m wondering about the position of the origin. Are there any important differences I need to know about?

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  1. Editorial Team

    They’re the same. This link has more information. Copied here for quick reference:

    CGRect is the CoreGraphics equivalent of NSRect.

    They are deliberately made to have the same layout in memory. As such, it is allowed to convert an NSRect to a CGRect by doing this:

    CGRect cgrect = *(CGRect *)&nsrect;

    CoreGraphics also provides a CGRectMake() function which works the same as NSMakeRect() (note the reversal of verb and object in the names) except it returns a CGRect.

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