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/*
* state_data.cc -- Implementation of ePiX's current drawing state
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.4
* Last Change: June 17, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <ahwang -at- holycross -dot- edu>
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* This file defines (wrapper functions for) static objects that hold
* the current drawing state
*/
#include <list>
#include "constants.h"
#include "screen_mask.h"
#include "mask_ellipse.h"
#include "mask_rectangle.h"
#include "cropping.h"
namespace ePiX {
crop_state::crop_state(const crop_state& cs)
: crop_state_mask(cs.crop_state_mask->clone()) { }
crop_state& crop_state::operator= (const crop_state& cs)
{
if (this != &cs)
{
screen_mask* tmp(cs.crop_state_mask->clone());
delete crop_state_mask;
crop_state_mask=tmp;
}
return *this;
}
crop_state::~crop_state()
{
delete crop_state_mask;
}
std::list<edge2d>& crop_state::crop_path(std::list<edge2d>& L) const
{
return crop_state_mask->crop_path(L);
}
std::list<edge2d>& crop_state::crop_loop(std::list<edge2d>& L) const
{
return crop_state_mask->crop_loop(L);
}
crop_state& the_crop_box()
{
const pair M(EPIX_INFTY, EPIX_INFTY);
static crop_state* current_crop_box(new crop_state(mask_rectangle(-M,M)));
return *current_crop_box;
}
} // end of namespace
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