Re: [Iup-users] Making a vector drawing tool with IUP+CD?

[Antonio S. <ant...@gm...>]

Hi,

> Or do I have to add my own code to answer queries like is point (x,y)
close enough to
that bezier curve to register a hit, on a mouse click?

CD does not have functions like that, it is a simple graphics library. Such
questions don't usually be solved by graphics libraries. Foley is a great
reference, Graphics Gems is another.

I would search for algorithms and implement myself...

Em sex., 6 de set. de 2024 às 12:04, Johann ''Myrkraverk'' Oskarsson via
Iup-users <iup...@li...> escreveu:

> Dear IUP List,
>
> I'd like to try my hand at making a vector drawing tool, from scratch.
> And I'd rather not have to invent the math and algorithms myself.
>
> Are there APIs in IUP and/or CD that make this easy?  Or do I have to
> add my own code to answer queries like is point (x,y) close enough to
> that bezier curve to register a hit, on a mouse click?
>
> Is there a good book on the subjects I need?  I've been flipping through
> the old Foley book, /Computer Graphics, Principles and Practice/ (1995)
> but it seems to be a bit high level for practitioners or I'm just lost
> in the math.
>
> Website resources would be cool too; I'm not a fan of videos.
>
>
> Thanks,
> Johann
>
>
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