Re: [Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration

2008-03-26 Thread Guillermo Espertino

 Guillermo, I would encourage you towards formalizing this application -
 try to summarize objectively what exists today and what do you plan to 
 implement. Also, try some guestimates  on a time frame for completing 
 each task.
Joao: Unfortunately I'm not a coder. I'm not even a student :)
Just throwed the idea to see if someone could be interested on it and 
take it to GSoC.

About the plugin itself, it already provides profiles management. It's 
completely functional but it's limited in the separation methods. The 
real deal with improving this plugin would be adding point gain, black 
generation, overprint threshold, curves, etc. The integration part is 
definitively too simple and not-so-atractive to start a GSoC project, as 
Sven pointed out. 

Thanks for your kind reply.

Regards,
Gez.
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Re: [Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration.

2008-03-26 Thread Sven Neumann
Hi,

On Tue, 2008-03-25 at 20:20 -0400, Robert Krawitz wrote:

 A lot of what was described about separate+ is already present in the
 Gutenprint plugin for GIMP (and I think also in Cinepaint), and also
 in PhotoPrint, which is a standalone application layered on the
 Gutenprint core.  I'd rather beef this up, and provide the necessary
 machinery in CUPS to take advantage of it, than have a specialized
 plugin for one application.  These capabilities are just as critical
 in all applications.  For that matter, if saving the separations to a
 TIFF file (or multiple TIFF files) is really important, it's a
 capability that could be added to Gutenprint and again made available
 to all applications.

I don't see how saving a CMYK TIFF file from GIMP could be implemented
in the printing layer. Let alone the fact that GIMP doesn't depend on
Gutenprint.

Sorry, but we really need this as a GIMP plug-in. Otherwise we simply
can't provide the user experience that we and our users expect.


Sven


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Re: [Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration

2008-03-26 Thread Sven Neumann
Hi,

On Wed, 2008-03-26 at 04:07 -0300, Guillermo Espertino wrote:

 About the plugin itself, it already provides profiles management.

Profile management should be left to the GIMP application and to widgets
provided by it. It doesn't make sense if every plug-in does its own
thing here.

 It's 
 completely functional but it's limited in the separation methods. The 
 real deal with improving this plugin would be adding point gain, black 
 generation, overprint threshold, curves, etc. The integration part is 
 definitively too simple and not-so-atractive to start a GSoC project, as 
 Sven pointed out. 

Yeah, this sounds like it could be more of a GSoC project. But I am
afraid that we would have a hard time finding a mentor for this. I don't
think any of the GIMP developers know enough about printing.


Sven


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Re: [Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration.

2008-03-25 Thread Robert Krawitz
   From: Joao S. O. Bueno [EMAIL PROTECTED]
   Date: Tue, 25 Mar 2008 00:42:04 -0300
   MIME-Version: 1.0
   Content-Type: text/plain; charset=us-ascii

   Hi Guillermo,

   On Mon 24 Mar 2008 14:01:00 Sven Neumann wrote:
Hi,
   
On Mon, 2008-03-24 at 13:34 -0300, Guillermo Espertino wrote:
 First of all, sorry if this is the wrong place or moment to post this.
 II think that integrating the separate+ plugin to Gimp would be a great
 GSoC project.
   
Doesn't sound like it would be worth making this a GSoC project. In
particular because that would mean that it would definitely not make it
into GIMP 2.6.
   
As far as I can see all that is needed for integration of the seperate+
plug-in is someone who volunteers to review the code and the user
interface and to propose it for inclusion on this list. As we wanted to
have this plug-in in 2.4 already, I wonder why this has still not
happened yet.

   So, adding on to this - while only reviewing the code and the UI
   might be much less than expected for a whoe GSoC project, I
   perceive this as a valuable idea.

   Maybe adding to this review the implementation of some, or even
   more, of the features suggested could do for a Google Summer of
   Code.

   Guillermo, I would encourage you towards formalizing this application -
   try to summarize objectively what exists today and what do you plan to 
   implement. Also, try some guestimates  on a time frame for completing 
   each task. 

   The idea, bellow, of integrating it to the GIMP TIFF save plug-in
   is great and would make it really feel like part of GIMP. So, take
   a look at GIMP's TIff plug-in and giver your say on it.

   And of course, the separate plug-in should take into account ICC
   color profile magement, as implemented in the GIMP core (I reall
   don't know if it aready does that).

   And least - have in mind that the chances of approval depend very
   much on a favorable review of your proposal by the GIMP
   developers. You got some critics on your first e-mail, and some
   ideas as well. So use those in your favor and come up with a
   propose everyone here should like.

Personally, I think that doing this at the application level is the
wrong way to go about it.  It would be much more valuable to work on
this at the system level (OpenICC, I believe, is also in GSoC), or at
least as part of a RIP.

A lot of what was described about separate+ is already present in the
Gutenprint plugin for GIMP (and I think also in Cinepaint), and also
in PhotoPrint, which is a standalone application layered on the
Gutenprint core.  I'd rather beef this up, and provide the necessary
machinery in CUPS to take advantage of it, than have a specialized
plugin for one application.  These capabilities are just as critical
in all applications.  For that matter, if saving the separations to a
TIFF file (or multiple TIFF files) is really important, it's a
capability that could be added to Gutenprint and again made available
to all applications.

-- 
Robert Krawitz [EMAIL PROTECTED]

Tall Clubs International  --  http://www.tall.org/ or 1-888-IM-TALL-2
Member of the League for Programming Freedom -- mail [EMAIL PROTECTED]
Project lead for Gutenprint   --http://gimp-print.sourceforge.net

Linux doesn't dictate how I work, I dictate how Linux works.
--Eric Crampton
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[Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration.

2008-03-24 Thread Guillermo Espertino
First of all, sorry if this is the wrong place or moment to post this.
II think that integrating the separate+ plugin to Gimp would be a great 
GSoC project. The lack of CMYK color has been a longstanding request and 
this plugin is the only tool that approaches that possibility atm.
It would be very useful to have the plugin integrated to the open and 
save dialogs, adding lzw compression to the output, improving the 
usability/accesibility of the plugin interface, etc.
More complex enhancements would be: adding extra options for separation 
(black generation, UCR and GCR, point gain, curves, etc).
This would be really useful for print people and would -imo- stop a 
little the crying for native CMYK in gimp, giving more time to focus in 
porting to GEGL to finally reach that goal, maybe with less of the 
repetitive noise of people's ranting.

Regards,
Gez.
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Re: [Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration.

2008-03-24 Thread Sven Neumann
Hi,

On Mon, 2008-03-24 at 13:34 -0300, Guillermo Espertino wrote:
 First of all, sorry if this is the wrong place or moment to post this.
 II think that integrating the separate+ plugin to Gimp would be a great 
 GSoC project.

Doesn't sound like it would be worth making this a GSoC project. In
particular because that would mean that it would definitely not make it
into GIMP 2.6.

As far as I can see all that is needed for integration of the seperate+
plug-in is someone who volunteers to review the code and the user
interface and to propose it for inclusion on this list. As we wanted to
have this plug-in in 2.4 already, I wonder why this has still not
happened yet.


Sven


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Re: [Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration.

2008-03-24 Thread Sven Neumann
Hi,

On Mon, 2008-03-24 at 18:01 +0100, Sven Neumann wrote:

 As far as I can see all that is needed for integration of the seperate+
 plug-in is someone who volunteers to review the code and the user
 interface and to propose it for inclusion on this list.

An alternative that we should consider would be to integrate the
functionality into the TIFF save plug-in. But I will leave it up to
whoever evaluates and proposes the plug-in here to consider this option.


Sven


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Re: [Gimp-developer] Feature idea for GSoC - Separate+ Plugin integration.

2008-03-24 Thread Joao S. O. Bueno
Hi Guillermo,

On Mon 24 Mar 2008 14:01:00 Sven Neumann wrote:
 Hi,

 On Mon, 2008-03-24 at 13:34 -0300, Guillermo Espertino wrote:
  First of all, sorry if this is the wrong place or moment to post this.
  II think that integrating the separate+ plugin to Gimp would be a great
  GSoC project.

 Doesn't sound like it would be worth making this a GSoC project. In
 particular because that would mean that it would definitely not make it
 into GIMP 2.6.

 As far as I can see all that is needed for integration of the seperate+
 plug-in is someone who volunteers to review the code and the user
 interface and to propose it for inclusion on this list. As we wanted to
 have this plug-in in 2.4 already, I wonder why this has still not
 happened yet.


So, adding on to this  - while only reviewing the code and the UI might be 
much less than expected for a whoe GSoC project, I perceive this as a 
valuable idea.

Maybe adding to this review the implementation of some, or even more, 
of the features suggested could do for a Google Summer of Code.

Guillermo, I would encourage you towards formalizing this application -
try to summarize objectively what exists today and what do you plan to 
implement. Also, try some guestimates  on a time frame for completing 
each task. 

The idea, bellow, of integrating it to the GIMP TIFF save plug-in is great and 
would make it really feel like part of GIMP. So, take a look at GIMP's TIff 
plug-in and giver your say on it.

And of course, the separate plug-in should take into account ICC color profile 
magement, as implemented in the GIMP core (I reall don't know if it aready 
does that).

And least - have in mind that the chances of approval depend very much on a 
favorable review of your proposal by the GIMP developers. You got  some 
critics on your first e-mail,  and some ideas as well. So use those in your 
favor and come up with a propose everyone here should like.

regards,
js
--

 Sven

 On Mon, 2008-03-24 at 18:01 +0100, Sven Neumann wrote:
  As far as I can see all that is needed for integration of the seperate+
  plug-in is someone who volunteers to review the code and the user
  interface and to propose it for inclusion on this list.

 An alternative that we should consider would be to integrate the
 functionality into the TIFF save plug-in. But I will leave it up to
 whoever evaluates and proposes the plug-in here to consider this option.


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