point.c

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/*!
   \file lib/pngdriver/point.c
 
   \brief GRASS png display driver - draw point
 
   (C) 2007-2014 by Glynn Clements and the GRASS Development Team
 
   This program is free software under the GNU General Public License
   (>=v2). Read the file COPYING that comes with GRASS for details.
 
   \author Glynn Clements
 */
 
#include <grass/gis.h>
#include "pngdriver.h"
 
/*!
   \brief Draw point
 */
void PNG_Point(double x, double y)
{
    static double point_size = 1.0;
    double half_point_size = point_size / 2;
 
    PNG_Box(x - half_point_size, y - half_point_size, point_size, point_size);
}