slideshow/source/engine/transitions/boxwipe.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/matrix/b2dhommatrix.hxx>
  36 #include "boxwipe.hxx"
  37
  38
  39 namespace slideshow {
  40 namespace internal {
  41
  42 ::basegfx::B2DPolyPolygon BoxWipe::operator () ( double t )
  43 {
  44     ::basegfx::B2DHomMatrix aTransform;
  45     double d = ::basegfx::pruneScaleValue(t);
  46     if (m_topCentered) {
  47         aTransform.translate( -0.5, 0.0 );
  48         aTransform.scale( d, d );
  49         aTransform.translate( 0.5, 0.0 );
  50     } else {
  51         aTransform.scale( d, d );
  52     }
  53
  54     ::basegfx::B2DPolyPolygon res( m_unitRect );
  55     res.transform( aTransform );
  56     return res;
  57 }
  58
  59 }
  60 }