drawing segments over an image

[Thomas Nemeth <tnemeth laas fr>]

	Hi !

	I'm writing an application where I need to draw colored
	segments over an image that is updated regularly... But
	they are not drawn in the drawable's window.

	Moreover, I also used to draw other segments in a drawing
	area, with black background and white foreground, but since
	I added the drawing area for the image, I can no more do that
	and must draw black fg over white bg (gc foreground is always
	black and never white -- or other color since I allocate a few
	colors).

	Here is the code I used :
static GdkColor black   = { 0,     0,     0,     0};

...

    gdk_window_set_background (window, &black);
    gc  = gdk_gc_new (window);
    gdk_gc_set_background (black, &black);


	Thanks for help...


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