Re: setting colormap for bitmaps

[Ron Steinke <rsteinke w-link net>]

> From: Owen Taylor <otaylor redhat com>
>
> How did you want to intialize your bitmap? Say you wanted to initialize
> it to all zeros:
>
>  GdkColor zero_color = { 0. };
>
>  GdkGC *gc = gdk_gc_new (bitmap);
>  gdk_gc_set_foreground (gc, &zero_color);  
>  gdk_draw_rectangle (rectangle, gc, TRUE, 0, 0, 100, 100);
>
> Or, as (perhaps you perhaps you had in mind above)
>
>  GdkGC *gc = gdk_gc_new (bitmap);
>  gdk_gc_set_function (gc, GDK_CLEAR);  
>  gdk_draw_rectangle (rectangle, gc, TRUE, 0, 0, 100, 100);
>
> Both work, and there shouldn't be a big difference in efficiency between
> them.

So you just set the pixel color directly. Thanks.

Ron