diff options
Diffstat (limited to 'slideshow/source/engine/transitions/boxwipe.cxx')
| -rw-r--r-- | slideshow/source/engine/transitions/boxwipe.cxx | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/boxwipe.cxx b/slideshow/source/engine/transitions/boxwipe.cxx new file mode 100644 index 000000000..0844a905c --- /dev/null +++ b/slideshow/source/engine/transitions/boxwipe.cxx @@ -0,0 +1,46 @@ +/* -*- 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 "boxwipe.hxx" + + +namespace slideshow::internal { + +::basegfx::B2DPolyPolygon BoxWipe::operator () ( double t ) +{ + ::basegfx::B2DHomMatrix aTransform; + double d = ::basegfx::pruneScaleValue(t); + if (m_topCentered) { + aTransform.translate( -0.5, 0.0 ); + aTransform.scale( d, d ); + aTransform.translate( 0.5, 0.0 ); + } else { + aTransform.scale( d, d ); + } + + ::basegfx::B2DPolyPolygon res( m_unitRect ); + res.transform( aTransform ); + return res; +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |