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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /lotuswordpro/source/filter/lwpsdwrect.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.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-- | lotuswordpro/source/filter/lwpsdwrect.cxx | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/lotuswordpro/source/filter/lwpsdwrect.cxx b/lotuswordpro/source/filter/lwpsdwrect.cxx new file mode 100644 index 000000000..3bc2704ac --- /dev/null +++ b/lotuswordpro/source/filter/lwpsdwrect.cxx @@ -0,0 +1,176 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: IBM Corporation + * + * Copyright: 2008 by IBM Corporation + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ +/** + * @file + * For LWP filter architecture prototype + * Implementation file of SdwRectangle. + */ + +#include "lwpsdwrect.hxx" +#include <cmath> + +/************************************************************************** + * @short: Default constructor +**************************************************************************/ +SdwRectangle::SdwRectangle() + : m_bRotated(false) + // m_nRectCorner array fields are default initialized with Point() +{ +} +/************************************************************************** + * @short: Constructor + * @param: aPt0~aPt3 four corner points of a rectangle. +**************************************************************************/ +SdwRectangle::SdwRectangle(const Point& rPt0, const Point& rPt1, + const Point& rPt2, const Point& rPt3) + : m_bRotated(rPt0.Y() != rPt1.Y() || rPt0.Y() >= rPt3.Y()) + , m_nRectCorner({{rPt0, rPt1, rPt2, rPt3}}) +{ +} + +/************************************************************************** + * @short: Calculate and return center point of the rectangle. + * @return: center point +**************************************************************************/ +Point SdwRectangle::GetRectCenter() const +{ + tools::Long nX = static_cast<tools::Long>(static_cast<double>(m_nRectCorner[0].X() + m_nRectCorner[2].X())/2 + 0.5); + tools::Long nY = static_cast<tools::Long>(static_cast<double>(m_nRectCorner[0].Y() + m_nRectCorner[2].Y())/2 + 0.5); + + return Point(nX, nY); +} +/************************************************************************** + * @short: Calculate width of the rectangle. + * @return: rectangle width. +**************************************************************************/ +tools::Long SdwRectangle::GetWidth() const +{ + tools::Long nX0 = m_nRectCorner[0].X(); + tools::Long nY0 = m_nRectCorner[0].Y(); + tools::Long nX1 = m_nRectCorner[1].X(); + tools::Long nY1 = m_nRectCorner[1].Y(); + + return static_cast<tools::Long>(CalcDistBetween2Points(nX0, nY0, nX1, nY1)); +} +/************************************************************************** + * @short: Calculate height of the rectangle. + * @return: rectangle height. +**************************************************************************/ +tools::Long SdwRectangle::GetHeight() const +{ + tools::Long nX1 = m_nRectCorner[1].X(); + tools::Long nY1 = m_nRectCorner[1].Y(); + tools::Long nX2 = m_nRectCorner[2].X(); + tools::Long nY2 = m_nRectCorner[2].Y(); + + return static_cast<tools::Long>(CalcDistBetween2Points(nX1, nY1, nX2, nY2)); +} +/************************************************************************** + * @short: Calculate coordinate of the original rectangle. + * @return: a prz rectangle +**************************************************************************/ +tools::Rectangle SdwRectangle::GetOriginalRect() const +{ + if (m_bRotated) + { + tools::Long nHeight = GetHeight(); + tools::Long nWidth = GetWidth(); + Point aCenter = GetRectCenter(); + + Point aLT(aCenter.X()-static_cast<tools::Long>(static_cast<double>(nWidth)/2+0.5), + aCenter.Y()-static_cast<tools::Long>(static_cast<double>(nHeight)/2+0.5)); + Point aRB(aLT.X()+nWidth, aLT.Y()+nHeight); + + return tools::Rectangle(aLT, aRB); + } + else + { + return tools::Rectangle(m_nRectCorner[3], m_nRectCorner[1]); + } +} +/************************************************************************** + * @short: Calculate rotation angle of the rectangle. + * @return: rotation angle. +**************************************************************************/ +double SdwRectangle::GetRotationAngle() const +{ + if (!m_bRotated) + { + return 0.00; + } + + double fX1 = static_cast<double>(m_nRectCorner[1].X()); + double fY1 = static_cast<double>(m_nRectCorner[1].Y()); + double fX2 = static_cast<double>(m_nRectCorner[2].X()); + double fY2 = static_cast<double>(m_nRectCorner[2].Y()); + double fMidX = (fX1 + fX2) / 2; + double fMidY = (fY1 + fY2) / 2; + + Point aCenter = GetRectCenter(); + double fCenterX = static_cast<double>(aCenter.X()); + double fCenterY = static_cast<double>(aCenter.Y()); + + double fAngle = atan2((fMidY - fCenterY), (fMidX - fCenterX)); + + return -fAngle; +} + +double SdwRectangle::CalcDistBetween2Points(tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2) +{ + return std::hypot(nX1 - nX2, nY1 - nY2); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |