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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /slideshow/source/engine/transitions/figurewipe.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream/1%7.0.4.tar.xz libreoffice-upstream/1%7.0.4.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'slideshow/source/engine/transitions/figurewipe.cxx')
-rw-r--r-- | slideshow/source/engine/transitions/figurewipe.cxx | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/figurewipe.cxx b/slideshow/source/engine/transitions/figurewipe.cxx new file mode 100644 index 000000000..f64145d55 --- /dev/null +++ b/slideshow/source/engine/transitions/figurewipe.cxx @@ -0,0 +1,117 @@ +/* -*- 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: */ |