[cairo] A hidden offset for the xlib backend

[Jost Boekemeier]

> However I don't understand why GTK can't just do 
> cairo_translate(ct,-event.xoff,-event.yoff) before
> calling the widget drawing 
> functions.

Because they don't "own" the ct.  The user would be
very surprised if they abuse his current
transformation to correct their internal offsets.

Maybe a custom surface, a "cairo_gtk_xlib_surface"
could provide the functionality. (or wrapping the
cairo interface entirely, ehm.)

Jost


	

	
		
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