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/*
Copyright (C) 2003 Nikolas Zimmermann <wildfox@kde.org>
This file is part of the KDE project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
aint with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "Tools.h"
#include "Rectangle.h"
using namespace T2P;
Rectangle::Rectangle()
{
}
Rectangle::Rectangle(const Rectangle &other)
{
(*this) = other;
}
Rectangle::Rectangle(const Point &a, const Point &b) : m_a(a), m_b(b)
{
}
Rectangle::Rectangle(double x, double y, double width, double height)
{
m_a = Point(x, y);
m_b = Point(x + width, y + height);
}
Rectangle::~Rectangle()
{
}
Rectangle &Rectangle::operator=(const Rectangle &other)
{
m_a = other.m_a;
m_b = other.m_b;
return *this;
}
Point Rectangle::a() const
{
return m_a;
}
void Rectangle::setA(const Point &a)
{
m_a = a;
}
Point Rectangle::b() const
{
return m_b;
}
void Rectangle::setB(const Point &b)
{
m_b = b;
}
void Rectangle::bboxUnion(const Rectangle &src1, const Rectangle &src2)
{
double src1x0 = src1.a().x(), src1x1 = src1.b().x();
double src1y0 = src1.a().y(), src1y1 = src1.b().y();
double src2x0 = src2.a().x(), src2x1 = src2.b().x();
double src2y0 = src2.a().y(), src2y1 = src2.b().y();
if(src1x1 <= src1x0 || src1y1 <= src1y0) // Is src1 empty?
{ // Copy src2 to dst
setA(Point(src2x0, src2y0));
setB(Point(src2x1, src2y1));
}
else if(src2x1 <= src2x0 || src2y1 <= src2y0) // Is src2 empty?
{ // Copy src1 to dest
setA(Point(src1x0, src1y0));
setB(Point(src1x1, src1y1));
}
else
{
setA(Point(T2PMIN(src1x0, src2x0), T2PMIN(src1y0, src2y0)));
setB(Point(T2PMAX(src1x1, src2x1), T2PMAX(src1y1, src2y1)));
}
}
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