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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: iriswipe.cxx,v $
*
* $Revision: 1.5 $
*
* last change: $Author: kz $ $Date: 2006-12-13 15:42:35 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_slideshow.hxx"
#include <canvas/debug.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include "iriswipe.hxx"
namespace slideshow {
namespace internal {
::basegfx::B2DPolyPolygon IrisWipe::operator () ( double t )
{
::basegfx::B2DHomMatrix aTransform;
aTransform.translate( -0.5, -0.5 );
const double d = ::basegfx::pruneScaleValue(t);
aTransform.scale( d, d );
aTransform.translate( 0.5, 0.5 );
::basegfx::B2DPolyPolygon res( m_unitRect );
res.transform( aTransform );
return res;
}
}
}
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