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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_slideshow.hxx"
30 
31 #include "transitiontools.hxx"
32 #include <basegfx/point/b2dpoint.hxx>
33 #include <basegfx/polygon/b2dpolygon.hxx>
34 #include <basegfx/polygon/b2dpolygontools.hxx>
35 #include <basegfx/matrix/b2dhommatrix.hxx>
36 #include <basegfx/matrix/b2dhommatrixtools.hxx>
37 
38 
39 namespace slideshow {
40 namespace internal {
41 
42 // TODO(Q2): Move this to basegfx
43 ::basegfx::B2DPolygon createUnitRect()
44 {
45     return ::basegfx::tools::createPolygonFromRect(
46         ::basegfx::B2DRectangle(0.0,0.0,
47                                 1.0,1.0 ) );
48 }
49 
50 ::basegfx::B2DPolyPolygon flipOnYAxis(
51     ::basegfx::B2DPolyPolygon const & polypoly )
52 {
53     ::basegfx::B2DPolyPolygon res(polypoly);
54     res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(-1.0, 1.0, 1.0, 0.0));
55     res.flip();
56     return res;
57 }
58 
59 ::basegfx::B2DPolyPolygon flipOnXAxis(
60     ::basegfx::B2DPolyPolygon const & polypoly )
61 {
62     ::basegfx::B2DPolyPolygon res(polypoly);
63     res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(1.0, -1.0, 0.0, 1.0));
64     res.flip();
65     return res;
66 }
67 
68 }
69 }
70