/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2015-2016 Mario Luzeiro * Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * or you may search the http://www.gnu.org website for the version 2 license, * or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ /** * @file croundsegment2d.h * @brief */ #ifndef _CROUNDSEGMENT2D_H_ #define _CROUNDSEGMENT2D_H_ #include "cobject2d.h" class CROUNDSEGMENT2D : public COBJECT2D { friend class CROUNDSEG; private: RAYSEG2D m_segment; SFVEC2F m_leftStart; SFVEC2F m_leftEnd; SFVEC2F m_leftEndMinusStart; SFVEC2F m_leftDir; SFVEC2F m_rightStart; SFVEC2F m_rightEnd; SFVEC2F m_rightEndMinusStart; SFVEC2F m_rightDir; float m_radius; float m_radius_squared; float m_width; public: CROUNDSEGMENT2D( const SFVEC2F &aStart, const SFVEC2F &aEnd, float aWidth, const BOARD_ITEM &aBoardItem ); float GetRadius() const { return m_radius; } float GetRadiusSquared() const { return m_radius_squared; } float GetWidth() const { return m_width; } float GetLength() const { return m_segment.m_Length; } const SFVEC2F &GetStart() const { return m_segment.m_Start; } const SFVEC2F &GetEnd() const { return m_segment.m_End; } const SFVEC2F &GetEnd_minus_Start() const { return m_segment.m_End_minus_start; } const SFVEC2F &GetLeftStar() const { return m_leftStart; } const SFVEC2F &GetLeftEnd() const { return m_leftEnd; } const SFVEC2F &GetLeftEnd_minus_Start() const { return m_leftEndMinusStart; } const SFVEC2F &GetLeftDir() const { return m_leftDir; } const SFVEC2F &GetRightStar() const { return m_rightStart; } const SFVEC2F &GetRightEnd() const { return m_rightEnd; } const SFVEC2F &GetRightEnd_minus_Start() const { return m_rightEndMinusStart; } const SFVEC2F &GetRightDir() const { return m_rightDir; } // Imported from COBJECT2D bool Overlaps( const CBBOX2D &aBBox ) const; bool Intersects( const CBBOX2D &aBBox ) const; bool Intersect( const RAYSEG2D &aSegRay, float *aOutT, SFVEC2F *aNormalOut ) const; INTERSECTION_RESULT IsBBoxInside( const CBBOX2D &aBBox ) const; bool IsPointInside( const SFVEC2F &aPoint ) const; }; static const float s_min_dot = (FLT_EPSILON * 4.0f) ; /** * @brief Segment_is_a_circle - check if segment start and end is very close to each other * should used to check if the segment should be converted to a circle instead * @param aStart * @param aEnd * @return true is it is better to convert the segment to circle */ inline bool Is_segment_a_circle( const SFVEC2F &aStart, const SFVEC2F &aEnd ) { const SFVEC2F vec = aEnd - aStart; return (aStart == aEnd) || // This is the same as calc the lenght squared (without the sqrt) // and compare with a small value ( glm::dot( vec, vec ) <= s_min_dot ); } #endif // _CROUNDSEGMENT2D_H_