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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/b2dhommatrixtools.hxx>
#include "clockwipe.hxx"
#include "pinwheelwipe.hxx"
namespace slideshow::internal {
::basegfx::B2DPolyPolygon PinWheelWipe::operator () ( double t )
{
::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock(
t / m_blades,
2.0 /* max edge when rotating */ ) );
::basegfx::B2DPolyPolygon res;
for ( sal_Int32 i = m_blades; i--; )
{
::basegfx::B2DPolygon p(poly);
p.transform(basegfx::utils::createRotateB2DHomMatrix((i * 2.0 * M_PI) / m_blades));
res.append( p );
}
res.transform(basegfx::utils::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
return res;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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