143 lines
3.8 KiB
C++
143 lines
3.8 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2013 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __SHAPE_RECT_H
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#define __SHAPE_RECT_H
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#include <geometry/shape.h>
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#include <geometry/shape_line_chain.h>
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#include <geometry/shape_circle.h>
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#include <geometry/seg.h>
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class SHAPE_RECT : public SHAPE {
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public:
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/**
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* Constructor
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* Creates an empty (0-sized) rectangle
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*/
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SHAPE_RECT():
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SHAPE( SH_RECT ), m_w (0), m_h(0) {};
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/**
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* Constructor
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* Creates a rectangle defined by top-left corner (x0, y0), width w and height h.
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*/
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SHAPE_RECT( int x0, int y0, int w, int h ):
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SHAPE(SH_RECT), m_p0(x0, y0), m_w(w), m_h(h) {};
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/**
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* Constructor
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* Creates a rectangle defined by top-left corner p0, width w and height h.
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*/
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SHAPE_RECT( const VECTOR2I &p0, int w, int h ):
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SHAPE(SH_RECT), m_p0(p0), m_w(w), m_h(h) {};
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/// @copydoc SHAPE::BBox()
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const BOX2I BBox(int aClearance = 0) const
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{
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BOX2I bbox( VECTOR2I (m_p0.x - aClearance, m_p0.y - aClearance ),
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VECTOR2I (m_w + 2 * aClearance, m_h + 2 * aClearance ));
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//printf("bb : %s\n",bbox.Format().c_str());
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return bbox;
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}
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/**
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* Function Diagonal()
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*
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* Returns length of the diagonal of the rectangle
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* @return diagonal length
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*/
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int Diagonal() const
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{
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return VECTOR2I(m_w, m_h).EuclideanNorm();
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}
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/// @copydoc SHAPE::Collide()
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bool Collide(const SEG& aSeg, int aClearance = 0) const
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{
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//VECTOR2I pmin = VECTOR2I(std::min(aSeg.a.x, aSeg.b.x), std::min(aSeg.a.y, aSeg.b.y));
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//VECTOR2I pmax = VECTOR2I(std::max(aSeg.a.x, aSeg.b.x), std::max(aSeg.a.y, aSeg.b.y));
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//BOX2I r(pmin, VECTOR2I(pmax.x - pmin.x, pmax.y - pmin.y));
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//if (BBox(0).SquaredDistance(r) > aClearance * aClearance)
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// return false;
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if(BBox(0).Contains(aSeg.a) || BBox(0).Contains(aSeg.b))
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return true;
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VECTOR2I vts[] = { VECTOR2I(m_p0.x, m_p0.y),
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VECTOR2I(m_p0.x, m_p0.y + m_h),
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VECTOR2I(m_p0.x + m_w, m_p0.y + m_h),
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VECTOR2I(m_p0.x + m_w, m_p0.y),
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VECTOR2I(m_p0.x, m_p0.y) };
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for (int i = 0; i < 4; i++)
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{
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SEG s(vts[i], vts[i+1], i);
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if(s.Distance(aSeg) <= aClearance)
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return true;
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}
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return false;
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};
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/**
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* Function GetPosition()
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*
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* @return top-left corner of the rectangle
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*/
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const VECTOR2I& GetPosition() const { return m_p0; }
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/**
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* Function GetSize()
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*
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* @return size of the rectangle
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*/
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const VECTOR2I GetSize() const { return VECTOR2I(m_w, m_h); }
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/**
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* Function GetWidth()
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*
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* @return width of the rectangle
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*/
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const int GetWidth() const { return m_w; }
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/**
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* Function GetHeight()
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*
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* @return height of the rectangle
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*/
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const int GetHeight() const { return m_h; }
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private:
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///> Top-left corner
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VECTOR2I m_p0;
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///> Width
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int m_w;
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///> Height
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int m_h;
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};
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#endif // __SHAPE_RECT_H
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