diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /slideshow/source/engine/transitions/clockwipe.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/clockwipe.cxx | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/clockwipe.cxx b/slideshow/source/engine/transitions/clockwipe.cxx new file mode 100644 index 000000000..bba29bfca --- /dev/null +++ b/slideshow/source/engine/transitions/clockwipe.cxx @@ -0,0 +1,62 @@ +/* -*- 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 "clockwipe.hxx" + + +namespace slideshow::internal { + +::basegfx::B2DPolygon ClockWipe::calcCenteredClock( double t, double e ) +{ + ::basegfx::B2DPolygon poly; + ::basegfx::B2DHomMatrix aTransform; + aTransform.rotate( t * 2.0 * M_PI ); + const double MAX_EDGE = 2.0; + ::basegfx::B2DPoint p( 0.0, -MAX_EDGE ); + p *= aTransform; + poly.append( p ); + if (t >= 0.875) + poly.append( ::basegfx::B2DPoint( -e, -e ) ); + if (t >= 0.625) + poly.append( ::basegfx::B2DPoint( -e, e ) ); + if (t >= 0.375) + poly.append( ::basegfx::B2DPoint( e, e ) ); + if (t >= 0.125) + poly.append( ::basegfx::B2DPoint( e, -e ) ); + poly.append( ::basegfx::B2DPoint( 0.0, -e ) ); + poly.append( ::basegfx::B2DPoint( 0.0, 0.0 ) ); + poly.setClosed(true); + return poly; +} + +::basegfx::B2DPolyPolygon ClockWipe::operator () ( double t ) +{ + const basegfx::B2DHomMatrix aTransform(basegfx::utils::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5)); + ::basegfx::B2DPolygon poly( calcCenteredClock(t) ); + poly.transform( aTransform ); + return ::basegfx::B2DPolyPolygon(poly); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |