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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include "clockwipe.hxx"
#include "sweepwipe.hxx"
#include "transitiontools.hxx"
namespace slideshow::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::utils::createTranslateB2DHomMatrix(0.5, 0.0);
poly.transform( aTransform );
}
::basegfx::B2DPolyPolygon res(poly);
if (! m_single)
{
if (m_oppositeVertical)
{
aTransform = basegfx::utils::createScaleB2DHomMatrix(1.0, -1.0);
aTransform.translate( 0.0, 1.0 );
poly.transform( aTransform );
poly.flip();
}
else
{
aTransform = basegfx::utils::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;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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