Contour fill (issue 90), 4th mode of continuous drawing.

However, there is a rendering problem from the original polygon tool: the bottom pixels are not drawn.


git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@581 416bcca6-2ee7-4201-b75f-2eb2f807beb1

operatio.h

@@ -159,6 +159,7 @@ void Polyform_0_8(void);
 void Filled_polyform_12_0(void);
 void Filled_polyform_12_8(void);
 void Filled_polyform_0_8(void);
+void Filled_contour_0_8(void);
 
 //////////////////////////////////////////////////////////// OPERATION_SCROLL