/**
 ** boxnc.c ---- draw a rectangle (no clip)
 **
 ** Copyright (c) 1995 Csaba Biegl, 820 Stirrup Dr, Nashville, TN 37221
 ** [e-mail: csaba@vuse.vanderbilt.edu].
 **
 ** This file is part of the GRX graphics library.
 **
 ** The GRX graphics library is free software; you can redistribute it
 ** and/or modify it under some conditions; see the "copying.grx" file
 ** for details.
 **
 ** This library 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.
 **
 **/

#include "libgrx.h"
#include "clipping.h"

void GrBoxNC(int x1,int y1,int x2,int y2,GrColor c)
{
	isort(x1,x2);
	isort(y1,y2);
	(*FDRV->drawhline)(
	    x1 + CURC->gc_xoffset,
	    y1 + CURC->gc_yoffset,
	    x2 - x1 + 1,
	    c
	);
	if(y2 != y1) (*FDRV->drawhline)(
	    x1 + CURC->gc_xoffset,
	    y2 + CURC->gc_yoffset,
	    x2 - x1 + 1,
	    c
	);
	if((y2 = y2 - y1 + 1 - 2) > 0) {
	    (*FDRV->drawvline)(
		x1 + CURC->gc_xoffset,
		y1 + CURC->gc_yoffset + 1,
		y2,
		c
	    );
	    if(x2 != x1) (*FDRV->drawvline)(
		x2 + CURC->gc_xoffset,
		y1 + CURC->gc_yoffset + 1,
		y2,
		c
	    );
	}
}