| 
   Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits.  | 
ICCSTANDARDOBSERVER
typedef enum
{
    StdObsUnknown = 0x00000000L, /* Unknown */
    StdObs1931TwoDegrees = 0x00000001L, /* 2 deg */
    StdObs1964TenDegrees  = 0x00000002L 
 /* 10 deg */
} ICCSTANDARDOBSERVER;
This type is used within the ICC_MEASUREMENT structure to indicate the standard observer.