pngdriver/color.c

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/*!
   \file lib/pngdriver/color.c
 
   \brief GRASS png display driver - PNG_color_rgb
 
   (C) 2003-2014 by Per Henrik Johansen 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 Per Henrik Johansen (original contributor)
   \author Glynn Clements
 */
 
#include <grass/gis.h>
#include "pngdriver.h"
 
/*!
   \brief  Identify a color
 
   Identify a color that has been set in the reset_color() (found in Reset_clr.c
   file in this directory).  Subsequent graphics calls will use this color.
 
   Called by:
   Color() in ../lib/Color.c
 
   \param r red color value
   \param g green color value
   \param b blue color value
 */
 
void PNG_color_rgb(int r, int g, int b)
{
    png.current_color = png_get_color(r, g, b, 0);
}