Re: Arrow questions

[Lars Clausen <lrclause cs uiuc edu>]

On Fri, 5 Apr 2002, Cyrille Chepelov wrote:
> Le Thu, Apr 04, 2002, à 08:54:57AM -0600, Lars Clausen a écrit:
> 
>> I see.  Since many of the arrows are horizontal or vertical, I'm
>> thinking using ellipses for those would improve rendering.  I guess a
>> generic draw_ellipse would be useful for the arrows.
> 
> I'm not really convinced this specific routine really needs
> improvement. I'd be wary of nasty transition effects between the
> horiz/vertical special case and the bezier general case (think how ugly
> the comparison between an arrow at 0° and one at 1° from the horizontal
> could be, if the rendering code is not perfect). All-Bezier brings
> consistency, at the expense of speed nobody ever complained about (of
> course, if you do succeed in having consistent aspect while using ellipse
> primitives where possible, then the better).

On a related note, I am going to take the Bezier code from render_gdk and
make it the default.  Wee-ha, beziers for everyone.

>> > None ! (though I care about binary incompatibility as much as of my
>> > first cent).
>> 
>> Uhm... how much do you care about your first cent?
> 
> about as much as I care for the next ones, taken individually ;-)

Ok.  It used to be a concern, and I think once we hit 1.0, it should be.

-Lars

-- 
Lars Clausen (http://shasta.cs.uiuc.edu/~lrclause)| Hårdgrim of Numenor
"I do not agree with a word that you say, but I   |----------------------------
will defend to the death your right to say it."   | Where are we going, and
    --Evelyn Beatrice Hall paraphrasing Voltaire  | what's with the handbasket?