/* -*- 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/numeric/ftools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include "figurewipe.hxx"
namespace slideshow::internal {
::basegfx::B2DPolyPolygon FigureWipe::operator () ( double t )
{
::basegfx::B2DPolyPolygon res(m_figure);
res.transform(basegfx::utils::createScaleTranslateB2DHomMatrix(t, t, 0 .5 , 0 .5 ));
return res;
}
std::shared_ptr<FigureWipe> FigureWipe::createTriangleWipe()
{
const double s60 = sin( basegfx::deg2rad(60 .0 ) );
const double s30 = sin( basegfx::deg2rad(30 .0 ) );
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0 .5 + s30, 0 .5 ) );
figure.append( ::basegfx::B2DPoint( 0 .0 , -0 .5 - s60 ) );
figure.append( ::basegfx::B2DPoint( -0 .5 - s30, 0 .5 ) );
figure.setClosed(true );
return std::make_shared<FigureWipe>(figure);
}
std::shared_ptr<FigureWipe> FigureWipe::createArrowHeadWipe()
{
const double s60 = sin( basegfx::deg2rad(60 .0 ) );
const double s30 = sin( basegfx::deg2rad(30 .0 ) );
const double off = s30;
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0 .5 + s30 + off, 0 .5 + off ) );
figure.append( ::basegfx::B2DPoint( 0 .0 , -0 .5 - s60 ) );
figure.append( ::basegfx::B2DPoint( -0 .5 - s30 - off, 0 .5 + off ) );
figure.append( ::basegfx::B2DPoint( 0 .0 , 0 .5 ) );
figure.setClosed(true );
return std::make_shared<FigureWipe>(figure);
}
std::shared_ptr<FigureWipe> FigureWipe::createPentagonWipe()
{
const double s = sin( basegfx::deg2rad(18 .0 ) );
const double c = cos( basegfx::deg2rad(18 .0 ) );
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0 .5 , 0 .5 ) );
figure.append( ::basegfx::B2DPoint( 0 .5 + s, 0 .5 - c ) );
figure.append( ::basegfx::B2DPoint( 0 .0 , 0 .5 - c - sin(basegfx::deg2rad(36 .0 )) ) );
figure.append( ::basegfx::B2DPoint( -0 .5 - s, 0 .5 - c ) );
figure.append( ::basegfx::B2DPoint( -0 .5 , 0 .5 ) );
figure.setClosed(true );
return std::make_shared<FigureWipe>(figure);
}
std::shared_ptr<FigureWipe> FigureWipe::createHexagonWipe()
{
const double s = sin( basegfx::deg2rad(30 .0 ) );
const double c = cos( basegfx::deg2rad(30 .0 ) );
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0 .5 , c ) );
figure.append( ::basegfx::B2DPoint( 0 .5 + s, 0 .0 ) );
figure.append( ::basegfx::B2DPoint( 0 .5 , -c ) );
figure.append( ::basegfx::B2DPoint( -0 .5 , -c ) );
figure.append( ::basegfx::B2DPoint( -0 .5 - s, 0 .0 ) );
figure.append( ::basegfx::B2DPoint( -0 .5 , c ) );
figure.setClosed(true );
return std::make_shared<FigureWipe>(figure);
}
std::shared_ptr<FigureWipe> FigureWipe::createStarWipe( sal_Int32 nPoints )
{
const double v = M_PI / nPoints;
const ::basegfx::B2DPoint p_( 0 .0 , -M_SQRT2 );
::basegfx::B2DPolygon figure;
for ( sal_Int32 pos = 0 ; pos < nPoints; ++pos ) {
const double w = pos * 2 .0 * M_PI / nPoints;
::basegfx::B2DHomMatrix aTransform;
::basegfx::B2DPoint p(p_);
aTransform.rotate( -w );
p *= aTransform;
figure.append(p);
p = p_;
aTransform.identity();
aTransform.scale( 0 .5 , 0 .5 );
aTransform.rotate( -w - v );
p *= aTransform;
figure.append(p);
}
figure.setClosed(true );
return std::make_shared<FigureWipe>(figure);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=96 H=95 G=95
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-02)
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