[Image-SIG] Embedded ICC profiles

[Florian Höch]

Hello Frédéric,

first, your work on ImageCms is deeply appreciated!
Regarding your question, atleast for JPEG and TIFF images I think I know 
a way. For JPEG, an embedded ICC profile can be accessed as 
im.app['APP2'] (there's some data before the actual profile data 
'ICC_PROFILE\x00\x01\x01' which needs to be stripped I think)
For TIFF files, the data is in im.tag[34675]
I guess there might be similar ways for the other formats that support 
embedded profiles (PNG, PDF, any others?), but I didn't look at it 
thoroughly yet (will do that atleast for PNG).

Regards,

Florian

Frédéric schrieb:
> Hello,
> 
> Is there a way to read ICC tag in images, and extract embedded profiles,
> with PIL? If not, do you have any links explaining how to do that?
> 
> Little cms is only able to read a profile from disk or from memory; so I
> first need to retreive this profile in the image structure.
> 
> Thanks,
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