using a all-points count and a all-points array

(cherry picked from commit 8ee49906)

Conflicts:
	svtools/source/filter/wmf/enhwmf.cxx
	svtools/source/filter/wmf/winwmf.cxx
	tools/inc/tools/poly.hxx
	tools/source/generic/poly2.cxx

Change-Id: I57f7f08d8dd87c83c30ab2d16ca22b772b2bd834