Gradient Color for Caption Bar

William Poetra Yoga H williampoetra at
Thu Oct 28 11:24:19 CDT 2004

--- Shachar Shemesh <wine-devel at> wrote:

> Mike McCormack wrote:
> >
> > GradientFill is pretty slow, as it files the rectangle line by line. 
> > I'm not sure how much this is going to slow down a normal application. 
> > It used to draw pixel by pixel, and that was a very noticable 
> > slowdown... line by line is much faster than that, but it still may 
> > cause a slowdown in some circumstances.
> >
> > Anybody have any ideas about how to speed up GradientFill?

I think it's fast enough; I don't see a slowdown at all on my machine (Pentium
III Celeron 1.0GHz, SiS 630, 128MB RAM).

> How many colors are typically drawn across a single bar? If this number 
> is significantly less than the number of vertical lines, you can 
> precalculate the width of each color bar, and draw a series of boxes.

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