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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /slideshow/source/engine/transitions/zigzagwipe.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | slideshow/source/engine/transitions/zigzagwipe.cxx | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/zigzagwipe.cxx b/slideshow/source/engine/transitions/zigzagwipe.cxx new file mode 100644 index 000000000..9b1f14221 --- /dev/null +++ b/slideshow/source/engine/transitions/zigzagwipe.cxx @@ -0,0 +1,70 @@ +/* -*- 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.transform(basegfx::utils::createTranslateB2DHomMatrix((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: */ |