extern "C" {
#endif
+#include "MagickCore/pixel.h"
+
extern MagickExport MagickBooleanType
AutoGammaImage(Image *,ExceptionInfo *),
AutoLevelImage(Image *,ExceptionInfo *),
ContrastStretchImage(Image *,const double,const double,ExceptionInfo *),
EqualizeImage(Image *image,ExceptionInfo *),
GammaImage(Image *,const double,ExceptionInfo *),
+ GrayscaleImage(Image *,const PixelIntensityMethod,ExceptionInfo *),
HaldClutImage(Image *,const Image *,ExceptionInfo *),
LevelImage(Image *,const double,const double,const double,ExceptionInfo *),
LevelizeImage(Image *,const double,const double,const double,ExceptionInfo *),