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21 
22 
23 
24 #ifndef INCLUDED_SLIDESHOW_TRANSITIONTOOLS_HXX
25 #define INCLUDED_SLIDESHOW_TRANSITIONTOOLS_HXX
26 
27 #include <basegfx/numeric/ftools.hxx>
28 #include <basegfx/polygon/b2dpolygon.hxx>
29 #include <basegfx/polygon/b2dpolypolygon.hxx>
30 
31 #include <algorithm>
32 
33 
34 namespace slideshow {
35 namespace internal {
36 
37 /// Create a unit rect.
38 ::basegfx::B2DPolygon createUnitRect();
39 
40 /// Flips on X-axis:
41 ::basegfx::B2DPolyPolygon flipOnXAxis(
42     ::basegfx::B2DPolyPolygon const & polypoly );
43 
44 /// Flips on Y-axis:
45 ::basegfx::B2DPolyPolygon flipOnYAxis(
46     ::basegfx::B2DPolyPolygon const & polypoly );
47 
48 }
49 }
50 
51 #endif /* INCLUDED_SLIDESHOW_TRANSITIONTOOLS_HXX */
52