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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_slideshow.hxx"
#include <canvas/debug.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include "clockwipe.hxx"
#include "sweepwipe.hxx"
#include "transitiontools.hxx"
namespace slideshow {
namespace internal {
::basegfx::B2DPolyPolygon SweepWipe::operator () ( double t )
{
t /= 2.0;
if (! m_center)
t /= 2.0;
if (!m_single && !m_oppositeVertical)
t /= 2.0;
::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock( 0.25 + t ) );
::basegfx::B2DHomMatrix aTransform;
if (m_center)
{
aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.0);
poly.transform( aTransform );
}
::basegfx::B2DPolyPolygon res(poly);
if (! m_single)
{
if (m_oppositeVertical)
{
aTransform = basegfx::tools::createScaleB2DHomMatrix(1.0, -1.0);
aTransform.translate( 0.0, 1.0 );
poly.transform( aTransform );
poly.flip();
}
else
{
aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
aTransform.rotate( M_PI );
aTransform.translate( 0.5, 0.5 );
poly.transform( aTransform );
}
res.append(poly);
}
return m_flipOnYAxis ? flipOnYAxis(res) : res;
}
}
}
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