Re: fading Color

Boris Gaertner wrote:

> Chris Burkert <christian.burkert@xxxxxxxxxxxxxxxxxxxx> wrote:
> > I'm searching for a way to fill a Morph with more than one Color.
> > I hope 'fading Color' describes it well. The best example is the
> > MoviePlayer from the Widgetsflap but I didn't find how to get this
> > working. Can you help me ?
> Chris,
>
> have a look at MPEGMoviePlayerMorph>>moviePlayerFillStyle.
> and search the senders of this method.
>
> The point is that you have to define a GradientFillStyle. Such a thing
> has an array of colors.  Try this for different values of direction (100 @
> 0,
> 100@50,  100 @ 100) to get a feeling for fading coloring:
>
>    |  fill bc |
>
>    fill _ GradientFillStyle ramp: {
>             0.0 -> (Color r: 0.05 g: 0.5 b: 1.0).  "blue"
>             0.5 -> (Color r: 0.70 g: 0.85 b: 1.0). "almost white"
>             1.0 -> (Color r: 0.05 g: 0.5 b: 1.0)}. "blue again"
>    fill origin: (50@0);
>         direction: 100@0;
>         radial: false.
>    bc := BalloonCanvas extent: (200 @ 100) depth: 32.
>    bc fillRectangle: (0@0 extent: 200 @ 100)
>       fillStyle: fill.
>
>   bc form displayAt: 10@ 10
>
>  Hope this helps


Thanks a lot. That's exactly I was searching for.

Regards
           Chris Burkert
--
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Student of applied Computer Science at Chemnitz University of Technology
     http://www.chrisburkert.de/            chbu@xxxxxxxxxxxxxxxxxx
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 C++ in mind." - Alan Kay --> http://www.squeak.org/