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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_slideshow.hxx"

#include <canvas/debug.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include "boxwipe.hxx"


namespace slideshow {
namespace internal {

::basegfx::B2DPolyPolygon BoxWipe::operator () ( double t )
{
    ::basegfx::B2DHomMatrix aTransform;
    double d = ::basegfx::pruneScaleValue(t);
    if (m_topCentered) {
        aTransform.translate( -0.5, 0.0 );
        aTransform.scale( d, d );
        aTransform.translate( 0.5, 0.0 );
    } else {
        aTransform.scale( d, d );
    }
    
    ::basegfx::B2DPolyPolygon res( m_unitRect );
    res.transform( aTransform );
    return res;
}

}
}