Enumeration GrayscaleEnhancementMode

GrayscaleEnhancementMode specifies the method employed to enhance images in grayscale.

typedef enum GrayscaleEnhancementMode
{
   /**Not supported yet. */
   GEM_AUTO = 0x01,
   /**Takes the unpreprocessed image for following operations. */
   GEM_GENERAL = 0x02,
   /**Preprocesses the image using the gray equalization algorithm. Check @ref IPM for available argument settings.*/
   GEM_GRAY_EQUALIZE = 0x04,
   /**Preprocesses the image using the gray smoothing algorithm. Check @ref IPM for available argument settings.*/
   GEM_GRAY_SMOOTH = 0x08,
   /**Preprocesses the image using the sharpening and smoothing algorithm. Check @ref IPM for available argument settings.*/
   GEM_SHARPEN_SMOOTH = 0x10,
   /**Placeholder value with no functional meaning. */
#if defined(_WIN32) || defined(_WIN64)
   GEM_END = 0xFFFFFFFF,
#else
   GEM_END = -1,
#endif
   /**Reserved setting for image preprocessing mode.*/
#if defined(_WIN32) || defined(_WIN64)
   GEM_REV = 0x80000000,
#else
   GEM_REV = -2147483648,
#endif
   /**Skips image preprocessing. */
   GEM_SKIP = 0x00
}GrayscaleEnhancementMode;