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103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
/*
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Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org>
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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aint with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "Tools.h"
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#include "Rectangle.h"
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using namespace T2P;
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Rectangle::Rectangle()
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{
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}
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Rectangle::Rectangle(const Rectangle &other)
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{
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(*this) = other;
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}
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Rectangle::Rectangle(const Point &a, const Point &b) : m_a(a), m_b(b)
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{
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}
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Rectangle::Rectangle(double x, double y, double width, double height)
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{
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m_a = Point(x, y);
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m_b = Point(x + width, y + height);
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}
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Rectangle::~Rectangle()
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{
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}
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Rectangle &Rectangle::operator=(const Rectangle &other)
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{
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m_a = other.m_a;
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m_b = other.m_b;
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return *this;
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}
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Point Rectangle::a() const
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{
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return m_a;
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}
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void Rectangle::setA(const Point &a)
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{
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m_a = a;
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}
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Point Rectangle::b() const
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{
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return m_b;
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}
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void Rectangle::setB(const Point &b)
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{
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m_b = b;
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}
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void Rectangle::bboxUnion(const Rectangle &src1, const Rectangle &src2)
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{
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double src1x0 = src1.a().x(), src1x1 = src1.b().x();
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double src1y0 = src1.a().y(), src1y1 = src1.b().y();
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double src2x0 = src2.a().x(), src2x1 = src2.b().x();
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double src2y0 = src2.a().y(), src2y1 = src2.b().y();
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if(src1x1 <= src1x0 || src1y1 <= src1y0) // Is src1 empty?
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{ // Copy src2 to dst
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setA(Point(src2x0, src2y0));
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setB(Point(src2x1, src2y1));
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}
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else if(src2x1 <= src2x0 || src2y1 <= src2y0) // Is src2 empty?
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{ // Copy src1 to dest
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setA(Point(src1x0, src1y0));
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setB(Point(src1x1, src1y1));
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}
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else
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{
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setA(Point(T2PMIN(src1x0, src2x0), T2PMIN(src1y0, src2y0)));
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setB(Point(T2PMAX(src1x1, src2x1), T2PMAX(src1y1, src2y1)));
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}
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}
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// vim:ts=4:noet
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