Re: [Lcms-user] getting the valid double range of a profile

2015-02-14 Thread marti . maria
Hi Alex, This is a nice idea, but not for lcms but for ICC. There is no reliable way for a CMM to guess the real range on profiles using floating point extensions. But ICC spec may add a new tag, and maybe this would makes sense. Next ICC meeting in on March 2, and I will bring there

[Lcms-user] getting the valid double range of a profile

2015-02-11 Thread Alex Demko
I'd like to get pixel range for a profile. For 16-bit ints, this includes all the ints, 0 to 0x. However, for doubles, the range is more variable. Often [0..1] but for lab for example, it's [0..100],[-128..127,[-128..127]. For CMYKs, it seems to vary greatly. Is there a way to get these