2009-01-10  Sven Neumann  <sven@gimp.org>

	Bug 471344 – Circular brush strokes are not smooth and have 
corners

	Bug 127785 – stroking with size linked to pressure sensitivity
	should scale the spacing

	* app/core/gimpcoords-interpolate.[ch]
	* app/display/gimpdisplayshell.[ch]
	* app/display/gimpdisplayshell-callbacks.[ch]
	* app/display/gimpdisplayshell-coords.[ch]: applied patch from
	Alexia Death that introduces a Catmul-Rom splines based event
	interpolation and also adapts the brush spacing to brush size.


svn path=/trunk/; revision=27898