/* -*- 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/point/b2dpoint.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include "transitiontools.hxx"
#include "zigzagwipe.hxx"
namespace slideshow::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.translate((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::utils::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: */
Messung V0.5 in Prozent C=93 H=85 G=88
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-28)
¤
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