bbox_2d.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
 * Copyright (C) 1992-2020 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
 */

#ifndef _BBOX_2D_H_
#define _BBOX_2D_H_

#include <plugins/3dapi/xv3d_types.h>   // SFVEC2F

struct RAY2D;
struct RAYSEG2D;

struct BBOX_2D
{
public:

    BBOX_2D();

    explicit BBOX_2D( const SFVEC2F& aPbInit );

    BBOX_2D( const SFVEC2F& aPbMin, const SFVEC2F& aPbMax );

    ~BBOX_2D();


    void Set( const SFVEC2F& aPbMin, const SFVEC2F& aPbMax );

    void Set( const BBOX_2D& aBBox );

    void Union( const SFVEC2F& aPoint );

    void Union( const BBOX_2D& aBBox );

    void Scale( float aScale );

    void ScaleNextUp();

    void ScaleNextDown();

    bool Intersects( const BBOX_2D& aBBox ) const;

    bool Intersects( const SFVEC2F& aCenter, float aRadiusSquared ) const;

    bool Inside( const SFVEC2F& aPoint ) const;

    float Area() const;

    bool IsInitialized() const;

    void Reset();

    SFVEC2F GetCenter() const;

    SFVEC2F GetExtent() const;

    const SFVEC2F& Min() const { return m_min; }

    const SFVEC2F& Max() const { return m_max; }


    unsigned int MaxDimension() const;

    float Perimeter() const;

    bool Intersect( const RAY2D& aRay, float* t ) const;

    bool Intersect( const RAY2D& aRay, float* aOutHitT0, float* aOutHitT1 ) const;

    bool Intersect( const RAYSEG2D& aRaySeg ) const;

private:
    SFVEC2F m_min; 
    SFVEC2F m_max; 
};

#endif // bbox_2d.h