gdk_draw_gray_image and clipping

[M G Berberich <berberic fmi uni-passau de>]

Hello,

I wrote a gtk-widget similar to gtkimage and I get up to 5 expose
events if I resize the widget. So I thought about speeding up the
drawing by setting a clipping-rectangle befor calling
'gdk_draw_gray_image' (I used to redraw the hole image). To my
surprise this does slow down the redrawing of the image.

Is this some wiered effect or is generaly unwise to set a
clipping-rectangle and it's faster to redraw the whole image?

	MfG
	bmg

-- 
"Des is völlig wurscht, was heut beschlos- | M G Berberich
 sen wird: I bin sowieso dagegn!"          | berberic@fmi.uni-passau.de
(SPD-Stadtrat Kurt Schindler; Regensburg)  | www.fmi.uni-passau.de/~berberic

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