[Printing-architecture] Google Summer of Code 2008: JTAPI Library Project

[Ira McDonald]

Hi Glen,

Thanks so much for volunteering to mentor this JTAPI Implementation Project!

Your description above looks very good.

Cheers,
- Ira

On Thu, Mar 20, 2008 at 3:00 PM, Till Kamppeter
<till.kamppeter at gmail.com> wrote:
> Great, I think we can go this way. Feel free to add this information to
>  the ideas page:
>
>  https://www.linux-foundation.org/en/Google_Summer_of_Code
>
>  This way we can start having job ticket functionality in
>  Linux/Unix/Embedded printing environments and make the application and
>  printing system developers start supporting job tickets with our
>  standard API. If we have enough consumers of the JTAPI once, we will
>  more easily be able to find the man power for developing a JDF backand
>  and so all apps will be able to send jobs to professional printing services.
>
>  Lars, would you like to do this task?
>
>     Till
>
>
>  Petrie, Glen wrote:
>  > Till,
>  >
>  >
>  >
>  > Any feedback – good or bad on the proposal below.
>  >
>  >
>  >
>  > glen
>  >
>  >
>  >
>  > ------------------------------------------------------------------------
>  >
>  > *From:* Petrie, Glen
>  > *Sent:* Wednesday, March 19, 2008 12:35 PM
>  > *To:* Petrie, Glen; Ira McDonald; Norm Jacobs; Claudia Alimpich; Amanda
>  > McPherson; Markus Rex; Jim Zemlin; Dan Kohn; Jeff Licquia; Wichmann,
>  > Mats D; Susanne Oberhauser; Theodore Ts'o; Till Kamppeter
>  > *Subject:* Google Summer of Code 2008: JTAPI Library Project
>
>
> >
>  >
>  >
>  > Hello All,
>  >
>  >
>  >
>  > I am going to the mentor for the JTAPI implementation under the Google
>  > Summer of Code 2008.  With only three months for the project, the
>  > project needs to be scoped to fit within the time frame.   Therefore, I
>  > am sending the following proposal to the group for comments and general
>  > approval for the group.
>  >
>  >
>  >
>  > ***Project:
>  >
>  > JTAPI – Library
>  >
>  >
>  >
>  > ***Objective:
>  >
>  > Using the header files created by the Open-Printing Job-Ticket Working
>  > Group develop a platform independent C library for the reading-of,
>  > modification-of and storage-of a print job ticket for the Printer
>  > Working Group's (PWG's) Micro-Job-Ticket (MJT).
>  >
>  >
>  >
>  > ***Approach:
>  >
>  > 1.   Review OP/JTWG Job-Ticket Application Programming Interface (JTAPI)
>  > header documents
>  >
>  > 2.   Review PWG/MJT specification.
>  >
>  > 3.   Create Test MJT's
>  >
>  > a.   Manually create a minimum of 3 representative MJTs (text files) to
>  > be used for testing and evaluation
>  >
>  > 4.   Define the command-line Test Application to exercise the JTAPIs;
>  > include an initial set of commands
>  >
>  > 5.   Create Thin-Thread implementation of the individual JTAPIs and the
>  > Test Application.
>  >
>  > a.   This will be the first demonstrational implementation and the start
>  > code for detailed development.
>  >
>  > b.   This will include minimum documentation on how to use the Test
>  > Application
>  >
>  > 6.   Enhance individual JTAPIs and the Test Application to provide full
>  > functionality.
>  >
>  > a.   Provided update documentation as required.
>  >
>  > 7.   Project Demonstration.
>  >
>  >
>  >
>  > ***Code License:
>  >
>  > MIT
>  >
>  >
>  >
>  > ***Coding Language:
>  >
>  > Platform Independent C
>  >
>  > (No platform or vendor-specific extensions)
>  >
>  >
>  >
>  > ***Coding Document:
>  >
>  >             In-line commenting must be sufficient to understand the flow
>  > and any section requiring extended understanding.
>  >
>  >
>  >
>  > ***Operating System:
>  >
>  > Student's choice – Linux or Windows (non-gui for either)
>  >
>  >
>  >
>  > ***Interface:
>  >
>  > Command Line – GUI not required unless very simple (due to project time
>  > constraint)
>  >
>  >
>  >
>  > ***Document:
>  >
>  >             Minimum:
>  >
>  > 1.   How to build the JTAPI library.
>  >
>  > 2.   How to build the Test Application
>  >
>  > 3.   The Test Application command-line instructions
>  >
>  > 4.   Three examples of using the Test Application and exercising the JTAPIs
>  >
>  >
>  >
>  >
>  >
>  > ==============
>  >
>  >
>  >       *JTAPI implementation*
>  >
>  > Job tickets are extended descriptions for print jobs. They tell which
>  > documents should be printed, on which type of paper, which resolution
>  > and quality, whether there should be sheets inserted between the
>  > documents, ..., and even information like delivery address, payment, ...
>  > A job ticket accompanies a print job from its submission to its
>  > delivery. Job tickets come from the professional printing world. In
>  > former times they were a paper form with instructions what everyone
>  > involved in the printing process has to do. Nowadays they are
>  > standardized files <http://en.wikipedia.org/wiki/Job_Definition_Format>
>
> > which are used by print servers, printers, and production printing
>  > machines. These job tickets do not only make sense for large-scale
>  > production printing, they are also useful for mobile devices, home
>  > desktops, workgroup printers, ... Also access to print services on the
>  > internet directly from the desktop applications simply via a print queue
>  > would be possible.
>  >
>  > To allow desktop applications, printing systems, and printer drivers to
>  > easily create, edit, and read job tickets without needing to deal with
>  > the actual job ticket format, the job ticket application programming
>  > interface (JTAPI
>  > <https://www.linux-foundation.org/en/OpenPrinting/JTAPI>) was developed
>
> > by OpenPrinting. A complete specification
>  > <ftp://ftp.pwg.org/pub/pwg/fsg/jobticket/JTAPI_Spec/fsg-openprinting-job-ticket-api-v0100-20050315.pdf>
>
> > is published.
>  >
>  > The next step to do is the actual implementation of the JTAPI library
>  > and its integration in applications, the CUPS printing system, drivers,
>  > filters, ... This will be the task of the student in this Google Summer
>  > of Code project.
>  >
>  > Mentor: Glen Petrie, Epson
>  >
>  > Desired knowledge: C Programming
>  >
>  >
>  >
>
>  _______________________________________________
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>  Printing-architecture at lists.linux-foundation.org
>  https://lists.linux-foundation.org/mailman/listinfo/printing-architecture
>



-- 
Ira McDonald (Musician / Software Architect)
Chair - Linux Foundation Open Printing WG
Blue Roof Music/High North Inc
email: blueroofmusic at gmail.com
winter:
 579 Park Place Saline, MI 48176
 734-944-0094
summer:
 PO Box 221 Grand Marais, MI 49839
 906-494-2434