slideshow/source/engine/transitions/veewipe.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 <canvas/debug.hxx>
  35 #include <basegfx/point/b2dpoint.hxx>
  36 #include "veewipe.hxx"
  37
  38
  39 namespace slideshow {
  40 namespace internal {
  41
  42 ::basegfx::B2DPolyPolygon VeeWipe::operator () ( double t )
  43 {
  44     ::basegfx::B2DPolygon poly;
  45     poly.append( ::basegfx::B2DPoint( 0.0, -1.0 ) );
  46     const double d = ::basegfx::pruneScaleValue( 2.0 * t );
  47     poly.append( ::basegfx::B2DPoint( 0.0, d - 1.0 ) );
  48     poly.append( ::basegfx::B2DPoint( 0.5, d ) );
  49     poly.append( ::basegfx::B2DPoint( 1.0, d - 1.0 ) );
  50     poly.append( ::basegfx::B2DPoint( 1.0, -1.0 ) );
  51     poly.setClosed(true);
  52     return ::basegfx::B2DPolyPolygon( poly );
  53 }
  54
  55 }
  56 }