Q: I'm using the CMOpenProfile() second argument (ColorSync2, seed #2), and I get
a -4205 error when I attempt to open a profile. I currently fill the type
field in the data structure CMProfileLocation with 0, but I don't know if this
is correct. What is the item named type for?
A: The second argument of the CMProfileLocation structure is a union of different
types (corresponding to where a profile can be located) and a short field that
allows you to determine which union field to use. In most cases, a ColorSync
profile is stored in a disk file whose location your application provides using
a data structure of type CMProfileLocation, which is described in "File
Specification for File-Based Profiles" on page 1-19 of the Draft Documentation
for Inside Macintosh: ColorSync.
You can specify this type of profile location with the CMOpenProfile,
CMNewProfile, CMCopyProfile, and CMNewLinkProfile functions. This is a
relocatable, memory-based profile, and the CMProfLoc union holds a handle to it
in a structure of type CMHandleLocation. For a description of the
CMHandleLocation type definition, see "Pointer Specification for Memory-Based
Profile" on page 1-20 of Inside Macintosh: ColorSync. You can
specify this type of profile location only with the CMOpenProfile function.
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