ImageGear for C and C++ on Windows v19.4 - Updated
IG_ISIS_TAG_WHITEPOINT
API Reference Guide > ISIS Component API Reference > ISIS Component Tags Reference > Image Interpretation Tags > IG_ISIS_TAG_WHITEPOINT

Chromaticity of the image's white point. 0x013E  318

IG_ISIS_TAG_WHITEPOINT specifies the chromaticity of the white point of the image. This is the chromaticity when each of the primaries has its ReferenceWhite value.

Type:

IG_ISIS_TAG_TYPE_RATIONAL

Drivers:

Drivers for scanners that support setting white point chromaticity. Currently, the only driver that supports this is the Dunord ISIS driver DUNISIS.PXW.

Values:

A rational value specifying the white point.

Remarks:

Refer to the TIFF specification.