[argyllcms] Re: Could someone help me understand something applying printer profiles.
- From: "Alastair M. Robinson" <profiling@xxxxxxxxxxxxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Thu, 24 Jan 2008 19:18:33 +0000
Hi :)
Leonard Evens wrote:
By the way, the reason I prefer not to use photoprint is that the
interface is very confusing and the documentation is not much clearer.
I am not sure I really know how to apply a printer profile using it.
In the Options -> Colour Management dialog, simply set the Printer
Profile to the profile you've made for your printer, and set the Default
RGB profile to sRGB or whatever you prefer. Images will now be
transformed into the printer's colour space when printing.
PhotoPrint could definitely use some decent documentation!
But what would photoprint do with an 8 bit per channel image that
cctiff, for example, wouldn't do.
Nothing really - you just avoid losing a small amount of colour
information by quantizing to 8-bits again after applying your printer
profile. PhotoPrint keeps the data in 16-bit depth from the output of
the colour transformation right through to the driver. How much that
matters depends a lot on how well-behaved your printer is, and thus how
well your printer profile makes use of the 256 codes available in 8-bit
data.
All the best,
--
Alastair M. Robinson
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