slideshow/source/engine/transitions/ellipsewipe.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/numeric/ftools.hxx>
  36 #include <basegfx/polygon/b2dpolygontools.hxx>
  37 #include "ellipsewipe.hxx"
  38 #include "transitiontools.hxx"
  39
  40
  41 namespace slideshow {
  42 namespace internal {
  43
  44 ::basegfx::B2DPolyPolygon EllipseWipe::operator () ( double t )
  45 {
  46     // currently only circle:
  47     ::basegfx::B2DPolygon poly(
  48         ::basegfx::tools::createPolygonFromCircle(
  49             ::basegfx::B2DPoint( 0.5, 0.5 ),
  50             ::basegfx::pruneScaleValue( t * M_SQRT2 / 2.0 ) ) );
  51     return ::basegfx::B2DPolyPolygon( poly );
  52 }
  53
  54 }
  55 }