Trying to set the palette in a window



I have a simple window which contains a drawrea widget. The goal is to draw some rgb images into the drawarea, which I have been able to do using the gdk_draw_rgb_image function.
The problem is that the image(s) use a special palette, and when I paint the 
image the colors are off.
The palette information is a 256 array of the three color values (red, 
green, blue).  I just cannot determine how to create/associate a colormap 
containing the palette information with the window/drawarea.
I've delved into the online documentation and the standard 2 gtk/gnome books 
but no luck.
Any hints on how to get started on resolving this problem?


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