slideshow/source/engine/transitions/barwipepolypolygon.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 "barwipepolypolygon.hxx"
  37
  38
  39 namespace slideshow {
  40 namespace internal {
  41
  42 ::basegfx::B2DPolyPolygon BarWipePolyPolygon::operator () ( double t )
  43 {
  44     ::basegfx::B2DPolyPolygon res;
  45     ::basegfx::B2DHomMatrix aTransform;
  46     aTransform.scale( ::basegfx::pruneScaleValue( t / m_nBars ), 1.0 );
  47     for ( sal_Int32 i = m_nBars; i--; )
  48     {
  49         ::basegfx::B2DHomMatrix transform( aTransform );
  50         transform.translate( static_cast<double>(i) / m_nBars, 0.0 );
  51         ::basegfx::B2DPolygon poly( m_unitRect );
  52         poly.transform( transform );
  53         res.append( poly );
  54     }
  55     return res;
  56 }
  57
  58 }
  59 }