color_init.c

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/*!
   \file lib/raster/color_init.c
 
   \brief Raster Library - Initialize Colors structure
 
   (C) 2001-2009 by 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 Original author CERL
 */
 
#include <grass/gis.h>
#include <grass/raster.h>
 
/*!
   \brief Initialize color structure
 
   The <i>colors</i> structure is initialized for subsequent calls
   to Rast_add_c_color_rule() and Rast_set_c_color().
 
   \param colors pointer to Colors structure
 */
void Rast_init_colors(struct Colors *colors)
{
    G_zero(colors, sizeof(struct Colors));
 
    colors->cmax = -1;
    colors->fixed.max = -1;
    colors->modular.max = -1;
}