This enumeration lists constants for preset white balance values.

Values:

IG_WB_DAYLIGHT	Daylight balance.
IG_WB_CLOUDY	Cloudy balance.
IG_WB_SHADE	Shade balance.
IG_WB_TUNGSTEN	Tungsten balance.
IG_WB_FLUORESCENT	Fluorescent balance.
IG_WB_FLASH	Flash balance.