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/* ****************************************************************************
 * rectangle.c -- Draw a rectangle.
 *
 * Copyright (C)      2011 Pierre Le Gall <legallpierre89@gmail.com>
 * Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
 *
 * This file is part of the 'casiowin/monochromelib' module in libcarrot, an
 * experimental modular libc project.
 *
 * This file is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * This file 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 Lesser General Lesser Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this file. If not, see <http://www.gnu.org/licenses/>.
 * ************************************************************************* */
#include <monochrome.h>

void ML_rectangle(int x1, int y1, int x2, int y2, int border_width, ML_Color border_color, ML_Color fill_color)
{
	int i;
	if(x1 > x2)
	{
		i = x1;
		x1 = x2;
		x2 = i;
	}
	if(y1 > y2)
	{
		i = y1;
		y1 = y2;
		y2 = i;
	}
	if(border_width > (x2-x1)/2+1) border_width = (x2-x1)/2+1;
	if(border_width > (y2-y1)/2+1) border_width = (y2-y1)/2+1;
	if(border_color != ML_TRANSPARENT && border_width > 0)
	{
		for(i=0 ; i<border_width ; i++)
		{
			ML_horizontal_line(y1+i, x1, x2, border_color);
			ML_horizontal_line(y2-i, x1, x2, border_color);
		}
		for(i=y1+border_width ; i<=y2-border_width ; i++)
		{
			ML_horizontal_line(i, x1, x1+border_width-1, border_color);
			ML_horizontal_line(i, x2-border_width+1, x2, border_color);
		}
	}
	if(fill_color != ML_TRANSPARENT)
	{
		for(i=y1+border_width ; i<=y2-border_width ; i++)
			ML_horizontal_line(i, x1+border_width, x2-border_width, fill_color);
	}
}