Thanks Mark, I'm trying to reproduce the error and provide a fix.
Many thanks for reporting.
Regards
Marti
El 24/08/2012 12:45, Mark escribió:
Hello,
I am working at a set of Cocoa Wrappers for LCMS. I started some
months ago with lcms2 2.1.
Just updated to lcms2 2.4rc1. Nice. I see some matrix shader transform
bugs where solved in the meantime.
I have around 10 tests involving transformation from sRGB to LAB / XYZ
/ some other profile and back, with different bit depths and flags.
All my tests, but one, run fine with 2.4rc1:
1)
sRGB built-in V4.3 -> Lab identity built-in V4.3
Flags: "cmsFLAGS_NOCACHE", "cmsFLAGS_NOOPTIMIZE"
Input format: TYPE_RGBA_FLT
Output format: TYPE_LabA_FLT
2) and back
Lab identity built-in V4.3 -> sRGB built-in V4.3
Flags: "cmsFLAGS_NOCACHE", "cmsFLAGS_NOOPTIMIZE"
Input format: TYPE_LabA_FLT
Output format: TYPE_RGBA_FLT
3)
save resulting RGBA float image.
The image is corrupted. Sample attached.
Thx for this terrific library.
Kind regards
Mark
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