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/*
* mask_ellipse.h -- ePiX:: elliptical screen_mask for cropping
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.15
* Last Change: September 05, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX 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.
*
* ePiX 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 ePiX; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef EPIX_MASK_ELLIPSE
#define EPIX_MASK_ELLIPSE
#include <list>
#include <string>
#include "edge_data.h"
#include "screen_mask.h"
namespace ePiX {
class pair;
class Color;
class length;
class pen_fill;
class pen_line;
class mask_ellipse : public screen_mask {
public:
// mask_ellipse() { }
mask_ellipse(const pair& arg1, const pair& arg2);
mask_ellipse* clone() const;
double h_min() const;
double h_max() const;
double h_size() const;
double h_avg() const;
double v_min() const;
double v_max() const;
double v_size() const;
double v_avg() const;
bool crops(const pair& arg) const; // false if arg visible
std::list<edge2d>& crop_path(std::list<edge2d>&) const;
std::list<edge2d>& crop_loop(std::list<edge2d>&) const;
pen_line border(const Color&, const length&) const;
pen_fill backing(const Color&) const;
pen_line border() const;
pen_fill backing() const;
private:
double m_hmin, m_hmax;
double m_vmin, m_vmax;
std::list<edge2d> m_border;
}; // end of class mask_ellipse
} // end of namespace
#endif /* EPIX_MASK_ELLIPSE */
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