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A color management module (CMM) uses profiles to convert and match a color in a given color space on a given device to or from another color space or device. For more information on CMMs, including a description of the default CMM supplied with ColorSync, see Color Management Modules .
To specify the default CMM, set the
CMMType
field of the profile header to the default signature defined by the following enumeration. You use a structure of type
CM2Header
for a ColorSync 2.x profile and a structure of type
CMHeader
for a 1.0 profile header.
enum {
kDefaultCMMSignature = 'appl'
};