From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- slideshow/source/engine/transitions/zigzagwipe.cxx | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 slideshow/source/engine/transitions/zigzagwipe.cxx (limited to 'slideshow/source/engine/transitions/zigzagwipe.cxx') 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 +#include +#include +#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: */ -- cgit v1.2.3