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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/fourboxwipe.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/fourboxwipe.cxx')
-rw-r--r-- | slideshow/source/engine/transitions/fourboxwipe.cxx | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/fourboxwipe.cxx b/slideshow/source/engine/transitions/fourboxwipe.cxx new file mode 100644 index 000000000..74833c2e0 --- /dev/null +++ b/slideshow/source/engine/transitions/fourboxwipe.cxx @@ -0,0 +1,74 @@ +/* -*- 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/polygon/b2dpolypolygon.hxx> +#include <basegfx/numeric/ftools.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> +#include "fourboxwipe.hxx" + + +namespace slideshow::internal { + +::basegfx::B2DPolyPolygon FourBoxWipe::operator () ( double t ) +{ + ::basegfx::B2DHomMatrix aTransform; + const double d = ::basegfx::pruneScaleValue( t / 2.0 ); + if (m_cornersOut) + { + aTransform = basegfx::utils::createTranslateB2DHomMatrix(-0.5, -0.5); + aTransform = basegfx::utils::createScaleTranslateB2DHomMatrix(d, d, -0.25, -0.25) + * aTransform; + } + else + { + aTransform = basegfx::utils::createScaleTranslateB2DHomMatrix(d, d, -0.5, -0.5); + } + + // top left: + ::basegfx::B2DPolygon square( m_unitRect ); + square.transform( aTransform ); + ::basegfx::B2DPolyPolygon res( square ); + // bottom left, flip on x-axis: + aTransform.scale( -1.0, 1.0 ); + ::basegfx::B2DPolygon square2( m_unitRect ); + square2.transform( aTransform ); + square2.flip(); // flip direction + res.append( square2 ); + // bottom right, flip on y-axis: + aTransform.scale( 1.0, -1.0 ); + ::basegfx::B2DPolygon square3( m_unitRect ); + square3.transform( aTransform ); + res.append( square3 ); + // top right, flip on x-axis: + aTransform.scale( -1.0, 1.0 ); + ::basegfx::B2DPolygon square4( m_unitRect ); + square4.transform( aTransform ); + square4.flip(); // flip direction + res.append( square4 ); + + aTransform = basegfx::utils::createTranslateB2DHomMatrix(0.5, 0.5); + res.transform( aTransform ); + return res; +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |