On 7 January 2013 17:57, Marti Maria <marti.ma...@littlecms.com> wrote:
> Ok, There was a reason to limit the tone curve plug-in and disallow the file
> IO. It happens that the file format is defined by the ICC (and only by the
> ICC!), so any addition made by anyone else would turn the profile in not
> compliant, and I'm afraid many CCM will just discard it.

Sure, agreed, but..

> An example would be to create a
> special tone curve for a profiler to be used to compute LUT points, the
> points then are meant be saved as a CLUT in the final profile but the math
> curve is not.

Right, but that's what my patch does -- it doesn't write the
parametric curve, but the 4096 'curv' table data. I've attached the
profile for you to see.

Richard.

Attachment: Rec709.icc
Description: Binary data

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