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2.1.19 Illuminant Enumeration

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The Illuminant enumeration defines values that specify the illuminant value of an image, which determines the standard light source under which the image is viewed so that the color can be adjusted appropriately.

 typedef  enum 
 {
   ILLUMINANT_DEVICE_DEFAULT = 0x00,
   ILLUMINANT_TUNGSTEN = 0x01,
   ILLUMINANT_B = 0x02,
   ILLUMINANT_DAYLIGHT = 0x03,
   ILLUMINANT_D50 = 0x04,
   ILLUMINANT_D55 = 0x05,
   ILLUMINANT_D65 = 0x06,
   ILLUMINANT_D75 = 0x07,
   ILLUMINANT_FLUORESCENT = 0x08
 } Illuminant;

ILLUMINANT_DEVICE_DEFAULT: Device's default. Standard used by output devices.

ILLUMINANT_TUNGSTEN: Tungsten lamp.

ILLUMINANT_B: Noon sunlight.

ILLUMINANT_DAYLIGHT: Daylight.

ILLUMINANT_D50: Normal print.

ILLUMINANT_D55: Bond paper print.

ILLUMINANT_D65: Standard daylight. Standard for CRTs and pictures.

ILLUMINANT_D75: Northern daylight.

ILLUMINANT_FLUORESCENT: Cool white lamp.