Re: GnomeCanvasLine

On Wed, 3 May 2000, [ISO-8859-1] Gustavo Joćo Alves Marques Carneiro wrote:

> function.  This function calculates the distance between the point and
> each of the item's edges, using formulas like 			
> 	dist = sqrt (dx * dx + dy * dy) - width / 2.0;
>   This is very slow; my teacher says we should use something like
> 	dist = dx; if the line's inclination is < 1.0, or
> 	dist = dy; otherwise.

Slow is in the eyes of the beholder.  In this case changing from l-2
to l-infty won't give you a significant speed up because most(99%) of the
time will be spent drawing and housekeeping.


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