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 --- .../engine/transitions/doublediamondwipe.cxx | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 slideshow/source/engine/transitions/doublediamondwipe.cxx (limited to 'slideshow/source/engine/transitions/doublediamondwipe.cxx') diff --git a/slideshow/source/engine/transitions/doublediamondwipe.cxx b/slideshow/source/engine/transitions/doublediamondwipe.cxx new file mode 100644 index 000000000..9c482000d --- /dev/null +++ b/slideshow/source/engine/transitions/doublediamondwipe.cxx @@ -0,0 +1,54 @@ +/* -*- 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 "doublediamondwipe.hxx" + + +namespace slideshow::internal { + +::basegfx::B2DPolyPolygon DoubleDiamondWipe::operator () ( double t ) +{ + // outer: + const double a = ::basegfx::pruneScaleValue( 0.25 + (t * 0.75) ); + ::basegfx::B2DPolygon poly; + poly.append( ::basegfx::B2DPoint( 0.5 + a, 0.5 ) ); + poly.append( ::basegfx::B2DPoint( 0.5, 0.5 - a ) ); + poly.append( ::basegfx::B2DPoint( 0.5 - a, 0.5 ) ); + poly.append( ::basegfx::B2DPoint( 0.5, 0.5 + a ) ); + poly.setClosed(true); + ::basegfx::B2DPolyPolygon res(poly); + + // inner (reverse order to clip): + const double b = ::basegfx::pruneScaleValue( (1.0 - t) * 0.25 ); + poly.clear(); + poly.append( ::basegfx::B2DPoint( 0.5 + b, 0.5 ) ); + poly.append( ::basegfx::B2DPoint( 0.5, 0.5 + b ) ); + poly.append( ::basegfx::B2DPoint( 0.5 - b, 0.5 ) ); + poly.append( ::basegfx::B2DPoint( 0.5, 0.5 - b ) ); + poly.setClosed(true); + res.append(poly); + + return res; +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3