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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/sweepwipe.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.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/sweepwipe.cxx | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/sweepwipe.cxx b/slideshow/source/engine/transitions/sweepwipe.cxx new file mode 100644 index 000000000..e6fcb8c2d --- /dev/null +++ b/slideshow/source/engine/transitions/sweepwipe.cxx @@ -0,0 +1,72 @@ +/* -*- 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/matrix/b2dhommatrixtools.hxx> +#include "clockwipe.hxx" +#include "sweepwipe.hxx" +#include "transitiontools.hxx" + + +namespace slideshow::internal { + +::basegfx::B2DPolyPolygon SweepWipe::operator () ( double t ) +{ + t /= 2.0; + if (! m_center) + t /= 2.0; + if (!m_single && !m_oppositeVertical) + t /= 2.0; + + ::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock( 0.25 + t ) ); + ::basegfx::B2DHomMatrix aTransform; + + if (m_center) + { + aTransform = basegfx::utils::createTranslateB2DHomMatrix(0.5, 0.0); + poly.transform( aTransform ); + } + ::basegfx::B2DPolyPolygon res(poly); + + if (! m_single) + { + if (m_oppositeVertical) + { + aTransform = basegfx::utils::createScaleB2DHomMatrix(1.0, -1.0); + aTransform.translate( 0.0, 1.0 ); + poly.transform( aTransform ); + poly.flip(); + } + else + { + aTransform = basegfx::utils::createTranslateB2DHomMatrix(-0.5, -0.5); + aTransform.rotate( M_PI ); + aTransform.translate( 0.5, 0.5 ); + poly.transform( aTransform ); + } + res.append(poly); + } + + return m_flipOnYAxis ? flipOnYAxis(res) : res; +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |