[Lcms-user] Device space float ranges

[John J. <j.j...@nt...>]

Hello Marti,
I have a system where all colour spaces are device spaces (PT_GRAY, 
PT_RGB, PT_CMYK, PT_MCH*), and all colour values are floats in the range 
of 0-1. I therefore need a formatter to handle this, so I use this 
formatter:
     cmsFormatterForColorspaceOfProfile(hProfile, sizeof(float), TRUE)

It appears that lcms assumes that the client's float colour values are 
in the range 0-100 if colour space is an IsInkSpace(). The problem then 
becomes how to marshal my float values into and out of lcms. It appears 
that in client code, I have to ensure the values are *100 or /100 as 
appropriate if the colour space I have is an ink space.

For my purposes, that's a bit daft. Firstly, IsInkSpace() isn't an 
exported function so the client code has to duplicate the function 
itself. Secondly, it's rather inefficient. Thirdly, the client code is 
uglier than it needs to be. Finally, the assumed range of 0-100 isn't 
documented anywhere that I could find; apologies if it is somewhere 
blindingly obvious.

Is there any other way to use float values in the range 0-1?

Regards + many thanks
John