/**
 ** generic/bitblt.c ---- generic (=slow) vertical line draw routine
 **
 ** 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.
 **
 **/

void drawvline(int x,int y,int h,GrColor c)
{
	GRX_ENTER();
	h += y;
	do { drawpixel(x,y,c); } while(++y != h);
	GRX_LEAVE();
}