slideshow/source/engine/transitions/transitiontools.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_slideshow.hxx"
  33
  34 #include "transitiontools.hxx"
  35 #include <basegfx/point/b2dpoint.hxx>
  36 #include <basegfx/polygon/b2dpolygon.hxx>
  37 #include <basegfx/polygon/b2dpolygontools.hxx>
  38 #include <basegfx/matrix/b2dhommatrix.hxx>
  39
  40
  41 namespace slideshow {
  42 namespace internal {
  43
  44 // TODO(Q2): Move this to basegfx
  45 ::basegfx::B2DPolygon createUnitRect()
  46 {
  47     return ::basegfx::tools::createPolygonFromRect(
  48         ::basegfx::B2DRectangle(0.0,0.0,
  49                                 1.0,1.0 ) );
  50 }
  51
  52 ::basegfx::B2DPolyPolygon flipOnYAxis(
  53     ::basegfx::B2DPolyPolygon const & polypoly )
  54 {
  55     ::basegfx::B2DPolyPolygon res(polypoly);
  56     ::basegfx::B2DHomMatrix aTransform;
  57     aTransform.scale( -1.0, 1.0 );
  58     aTransform.translate( 1.0, 0.0 );
  59     res.transform( aTransform );
  60     res.flip();
  61     return res;
  62 }
  63
  64 ::basegfx::B2DPolyPolygon flipOnXAxis(
  65     ::basegfx::B2DPolyPolygon const & polypoly )
  66 {
  67     ::basegfx::B2DPolyPolygon res(polypoly);
  68     ::basegfx::B2DHomMatrix aTransform;
  69     aTransform.scale( 1.0, -1.0 );
  70     aTransform.translate( 0.0, 1.0 );
  71     res.transform( aTransform );
  72     res.flip();
  73     return res;
  74 }
  75
  76 }
  77 }