EnumImagePreprocessingMode

enum EnumImagePreprocessingMode {
    IPM_AUTO = 0x01, 
    IPM_GENERAL = 0x02, 
    IPM_GRAY_EQUALIZE = 0x04, 
    IPM_GRAY_SMOOTH = 0x08,
    IPM_SHARPEN_SMOOTH = 0x10, 
    IPM_MORPHOLOGY = 0x20,
    IPM_SKIP = 0x00,
    IPM_REV = 0x80000000
  }