/* public header for jpgmean.c
            _                                              _     
           (_)_ __   __ _ _ __ ___   ___  __ _ _ __       | |__  
           | | '_ \ / _` | '_ ` _ \ / _ \/ _` | '_ \      | '_ \ 
           | | |_) | (_| | | | | | |  __/ (_| | | | |  _  | | | |
          _/ | .__/ \__, |_| |_| |_|\___|\__,_|_| |_| (_) |_| |_|
         |__/|_|    |___/                                        

   ian macky feb-19-2004
*/

#include <jpeglib.h>

#define MAX_IMAGE_WIDTH		2048
#define STANDARD_UNITS          2.0
#define WHITE_DISTANCE          50.0
#define BLACK_DISTANCE          50.0

double rgb_distance(int r1, int g1, int b1, int r2, int g2, int b2);

boolean jpg_mean(char *image, char *ofile, char **error_string,
		 double white_dist, double black_dist, double std_units,
		 JSAMPLE *mean_red, JSAMPLE *nean_green, JSAMPLE *mean_blue, 
		 unsigned *width, unsigned *height, boolean debug);

/* $Id: jpgmean.h,v 1.3 2013/12/18 20:00:29 ian Exp $ */