/**
 ** patfplot.c
 **
 ** Copyright (c) 1995 Csaba Biegl, 820 Stirrup Dr, Nashville, TN 37221
 ** [e-mail: csaba@vuse.vanderbilt.edu]
 **
 **  Copyright (C) 1992, Csaba Biegl
 **    820 Stirrup Dr, Nashville, TN, 37221
 **    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 _GrPatternFilledPlot(int x,int y,GrPattern *p)
{
	int xp,yp;

	if(p->gp_ispixmap) {
	    xp = x % p->gp_pxp_width;
	    yp = y % p->gp_pxp_height;
	    (*CURC->gc_driver->drawpixel)(x,y,
		(*p->gp_pxp_source.gf_driver->readpixel)(&p->gp_pxp_source,xp,yp)
	    );
	}
	else {
	    xp = x & 7;
	    yp = y % p->gp_bmp_height;
	    (*CURC->gc_driver->drawpixel)(x,y,
		(p->gp_bmp_data[yp] & (0x80U >> xp)) ? p->gp_bmp_fgcolor : p->gp_bmp_bgcolor
	    );
	}
}

void GrPatternFilledPlot(int x,int y,GrPattern *p)
{
	clip_dot(CURC,x,y);
	mouse_block(CURC,x,y,x,y);
	_GrPatternFilledPlot(x+CURC->gc_xoffset,y+CURC->gc_yoffset, p);
	mouse_unblock();
}