ICCRENDERINGINTENT

typedef enum
{
    Perceptual = 0x00000000,
    RelativeColorimetric = 0x00000001,
    Saturation = 0x00000002, 
    AbsoluteColorimetric = 0x00000003 
} ICCRENDERINGINTENT; 

This enumerated type is used within the ICCHEADER structure to indicate the rendering intent.