1. David Soria Parra
  2. libgd 2.0

Source

libgd 2.0 / gd_color.h

#ifndef GD_COLOR_H
#define GD_COLOR_H 1

#ifdef __cplusplus
extern "C" {
#endif

int gdColorMatch(gdImagePtr im, int col1, int col2, float threshold);

#ifdef __cplusplus
}
#endif

#endif