Re: [AD] Documentation missing

[Michał C. <mi...@gm...>]

Holes are actually a splits while interpretted in triangulator domain.
First one is located after main poligon vertices. Since
al_triangulate_polygon require at least one split in order to work
this information and that cannot be avoided.
This hard requirement was then pulled to
al_draw_filled_polygon_with_holes. Probably by accident.

I think al_draw_filled_polygon_with_holes and
al_draw_polygon_with_holes may fallback to al_draw_filled_polygon and
al_draw_polygon if there are no holes at all.

On 28 April 2012 15:40, Elias Pschernig <in...@al...> wrote:
> On Fri, 27 Apr 2012 00:35:03 +0200
> Elias Pschernig <eli...@gm...> wrote:
>
>> On Thu, 26 Apr 2012 23:53:43 +0200
>> Evert Glebbeek <eg...@dd...> wrote:
>>
>> > Would it be possible for someone to document
>> > al_draw_filled_polygon_with_holes and relatives? It's not obvious to
>> > me how to use them and I can't work it out from the code.
>> >
>>
>> I found an example, I can try document off that maybe:
>>
>
> It's documented now. Michał, do you remember why the holes also include
> the main polygon? It is a bit weird that to draw a polygon with no
> holes you still have to specify one. Also, would it be hard to allow
> empty holes? Right now there's an assert whenever a hole has 0 vertices
> but logically it would make sense to allow it.
>
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-- 
thedmd, Michał Cichoń
Artifex Mundi
mi...@gm...
http://www.artifexmundi.com