[gtkada] Using Gdk.RGB.Draw_RGB_Image

Pedro Diaz Jimenez pdiaz88 at terra.es
Tue May 1 13:03:58 CEST 2001


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Hello all,

I'm having big trouble  (possibly due to my lack of ADA programming skills) 
to use the Gdk.RGB.Draw_RGB_Image procedure. The problem is in the 
Gdk.RDG.RGB_Buffer parameter of the Call. I tried the following

buffer : Gdk.RGB.RGB_Buffer_Access;
.
.
.
buffer := new Gdk.RGB.RGB_Buffer; -- Won't work, I need to constraint the 
- --array, right?
buffer :=  new Gdk.RGB.RGB_Buffer(1..256*3); -- Won't compile

i tried in a lot of ways, always ending in a compilation error or in a 
STORAGE_ERROR excepcion. I'm clueness now, and I would greatly 
apreciate a simple example of using this procedure to draw in a 
Gdk.Drawable, or at least, how to instanciate properly the Gdk.Rgb.Rgb_Buffer 
param

Thanks a lot
Pedro

- -- 

/*
 * Pedro Diaz Jimenez
 * pdiaz88 at terra.es 
 * pdiaz at acm.asoc.fi.upm.es
 *
 * Wanna see how 100000! looks like?:
 * http://acm.asoc.fi.upm.es/~pdiaz/fact_100.000
 * 
 * La sabiduria me persigue, pero yo soy mas rapido
 */
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