Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-26 Thread Jernej Simončič
On Thursday, March 26, 2009, 21:20:53, Cédric Gémy wrote: > This is very simple : Illustrator CS4 has just implemented a real > multipage PDF support. You mean something that CorelDraw had for years? Then again, both CorelDraw and Illustrator are vector editing programs, and having multiple pag

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-26 Thread Cédric Gémy
> And finally, I agree with Sven that I don't know why anyone would > want to have multipage PDF output for GIMP. This is very simple : Illustrator CS4 has just implemented a real multipage PDF support. My opinion, if worth, is that gimp don't have to copy adobe software, even if there are man

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-24 Thread jEsuSdA 8)
El Martes, 24 de Marzo de 2009 03:03:36 Guillermo Espertino escribió: > > > Does that indicate that separate+ is what needs to be enhanced, rather > > than the core application? > > This discussion was about a PDF export plugin at the beginning. > I was trying to make evident that a PDF export plug

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Andrew A. Gill
On Mon, 23 Mar 2009, Sven Neumann wrote: > > On Mon, 2009-03-23 at 17:51 -0400, Andrew A. Gill wrote: > >> I do work in the printing industry, and I can tell you that >> output is still CMYK, and will remain CMYK for at least the next >> few years. > > Output, yes, of course. But where in this proc

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Guillermo Espertino
Hi Robert, thanks for your comments. > This really sounds like you're using black as a spot color rather than > going generic editing in CMYK space. That was just an example. Another example could be just putting an image in front of a gray gradient background. In my experience, it's not that eas

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Robert Krawitz
From: Guillermo Espertino Date: Mon, 23 Mar 2009 19:59:53 -0300 CMYK exists because, though is possible theoretically, it isn't possible to generate black from mixing CMY inks. As the C, M and Y inks aren't perfect and have some contaminants, mixing them ends up in a dirty brown

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Hal V. Engel
On Monday 23 March 2009 04:56:23 pm Robert Krawitz wrote snip > > When people do send CMYK data to Gutenprint, the large majority of the > time it's either because they don't really understand what CMYK is > (it's very device and media specific) or because we have a problem > with the GCR parameter

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Robert Krawitz
From: Sven Neumann Date: Mon, 23 Mar 2009 23:18:23 +0100 On Mon, 2009-03-23 at 17:51 -0400, Andrew A. Gill wrote: > I do work in the printing industry, and I can tell you that > output is still CMYK, and will remain CMYK for at least the next > few years. Output, yes, of

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Guillermo Espertino
CMYK exists because, though is possible theoretically, it isn't possible to generate black from mixing CMY inks. As the C, M and Y inks aren't perfect and have some contaminants, mixing them ends up in a dirty brown instead of pure black. That's why CMYK exists, and that's why it isn't so simple to

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Sven Neumann
Hi, On Mon, 2009-03-23 at 17:51 -0400, Andrew A. Gill wrote: > I do work in the printing industry, and I can tell you that > output is still CMYK, and will remain CMYK for at least the next > few years. Output, yes, of course. But where in this process do you actually edit an image in CMYK? I

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Andrew A. Gill
On Mon, 23 Mar 2009, Martin Nordholts wrote: > > I am by no means a photography professional and my point of view comes > mostly from what other people have said regarding CMYK support; I don't > have any direct sources to give. > > Could you perhaps clarify/give references to your claim that high-

Re: [Gimp-developer] CMYK editing (Was: GIMP PDF export plugin)

2009-03-23 Thread Martin Nordholts
Sven Neumann wrote: > On Mon, 2009-03-23 at 21:02 +0100, Martin Nordholts wrote: >> Yes, processing shall as long as possible be done in RGB, but at some >> point you need to convert to the CMYK color space and a high-end photo >> app should support editing also in this color space. >> > > Why