[cairo] Spot colors (and CMYK)

Jon Cruz jon at joncruz.org
Wed Jan 20 13:01:12 PST 2010

On Jan 21, 2010, at 9:15 AM, Bill Spitzak wrote:

> I previously suggested that if the mapping from spot colors to sRGB 
> values is unique (ie all spot colors map to different sRGB values) then 
> no id needs to be sent, just the "this is a spot color" flag. I still 
> think this may be a good idea, it would remove all Pantone IP from the 
> interface, allow a fixed-sized color structure (4 floats plus a single 
> enumeration), and would prevent malicious programs from, for instance, 
> asking for the "C" spot color but with 1,1,1 as the sRGB values.

Unfortunately, mapping from spot colors to sRGB is not unique.

However... if IP is a concern, I'd strongly suggest dropping into #scribus on irc.freenode.net. They are making amazing progress with the rest of the print industry, and even have some major meetings set to take place this week. Look for christoph_s

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