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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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/point/b2dpoint.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include "transitiontools.hxx"
#include "zigzagwipe.hxx"
namespace slideshow {
namespace internal {
ZigZagWipe::ZigZagWipe( sal_Int32 nZigs ) : m_zigEdge( 1.0 / nZigs )
{
const double d = m_zigEdge;
const double d2 = (d / 2.0);
m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, -d ) );
m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, 1.0 + d ) );
m_stdZigZag.append( ::basegfx::B2DPoint( -d, 1.0 + d ) );
for ( sal_Int32 pos = (nZigs + 2); pos--; ) {
m_stdZigZag.append( ::basegfx::B2DPoint( 0.0, ((pos - 1) * d) + d2 ) );
m_stdZigZag.append( ::basegfx::B2DPoint( -d, (pos - 1) * d ) );
}
m_stdZigZag.setClosed(true);
}
::basegfx::B2DPolyPolygon ZigZagWipe::operator () ( double t )
{
::basegfx::B2DPolyPolygon res(m_stdZigZag);
res.transform(basegfx::tools::createTranslateB2DHomMatrix((1.0 + m_zigEdge) * t, 0.0));
return res;
}
::basegfx::B2DPolyPolygon BarnZigZagWipe::operator () ( double t )
{
::basegfx::B2DPolyPolygon res( createUnitRect() );
::basegfx::B2DPolygon poly( m_stdZigZag );
poly.flip();
basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(
(1.0 + m_zigEdge) * (1.0 - t) / 2.0, 0.0));
poly.transform( aTransform );
res.append( poly );
aTransform.scale( -1.0, 1.0 );
aTransform.translate( 1.0, m_zigEdge / 2.0 );
poly = m_stdZigZag;
poly.transform( aTransform );
res.append( poly );
return res;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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