From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 07:54:39 +0200 Subject: Adding upstream version 4:24.2.0. Signed-off-by: Daniel Baumann --- tools/source/generic/point.cxx | 86 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 tools/source/generic/point.cxx (limited to 'tools/source/generic/point.cxx') diff --git a/tools/source/generic/point.cxx b/tools/source/generic/point.cxx new file mode 100644 index 0000000000..e71f60411a --- /dev/null +++ b/tools/source/generic/point.cxx @@ -0,0 +1,86 @@ +/* -*- 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 + +void PointTemplateBase::RotateAround( PointTemplateBase& rPoint, + Degree10 nOrientation ) const +{ + tools::Long nX = rPoint.mnA; + tools::Long nY = rPoint.mnB; + RotateAround(nX, nY, nOrientation); + rPoint.mnA = nX; + rPoint.mnB = nY; +} + +void PointTemplateBase::RotateAround( tools::Long& rX, tools::Long& rY, + Degree10 nOrientation ) const +{ + const tools::Long nOriginX = mnA; + const tools::Long nOriginY = mnB; + + if ( (nOrientation >= 0_deg10) && !(nOrientation % 900_deg10) ) + { + if ( nOrientation >= 3600_deg10 ) + nOrientation %= 3600_deg10; + + if ( nOrientation ) + { + rX -= nOriginX; + rY -= nOriginY; + + if ( nOrientation == 900_deg10 ) + { + tools::Long nTemp = rX; + rX = rY; + rY = -nTemp; + } + else if ( nOrientation == 1800_deg10 ) + { + rX = -rX; + rY = -rY; + } + else /* ( nOrientation == 2700 ) */ + { + tools::Long nTemp = rX; + rX = -rY; + rY = nTemp; + } + + rX += nOriginX; + rY += nOriginY; + } + } + else + { + double nRealOrientation = toRadians(nOrientation); + double nCos = cos( nRealOrientation ); + double nSin = sin( nRealOrientation ); + + // Translation... + tools::Long nX = rX-nOriginX; + tools::Long nY = rY-nOriginY; + + // Rotation... + rX = + static_cast(nCos*nX + nSin*nY) + nOriginX; + rY = - static_cast(nSin*nX - nCos*nY) + nOriginY; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3