[cairo] Shouldn't Cairo use/offer degrees rather than radians?

David Kastrup dak at gnu.org
Wed Jun 28 05:00:24 UTC 2017


Lawrence D'Oliveiro <ldo at geek-central.gen.nz> writes:

> On Tue, 27 Jun 2017 11:37:07 +0200, David Kastrup wrote:
>
>> Lawrence D'Oliveiro <ldo at geek-central.gen.nz> writes:
>> 
>>> Trig calculations are usually easier in radians.  
>> 
>> Nobody uses Taylor series for actual trig calculations.
>
> Not that I care. This is the kind of thing I care about:
>
>     arc_length = radius * angle
>
> That kind of calculation only makes sense if “angle” is in radians.

cairo_rotate has nothing to do with arc lengths.

-- 
David Kastrup



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