IPP Mail Archive: IPP> Print Quality Issue resolution

IPP> Print Quality Issue resolution

From: Zehler, Peter (PZehler@crt.xerox.com)
Date: Thu Jul 10 2003 - 15:41:31 EDT

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    All,

    During the PWG/FSG meeting in Portland we had a discussion about the IPP
    "print-quality" attribute and FSG's desire to add two new values, 'economy'
    and 'fine', where 'economy' is lower than 'draft' and 'fine' is higher than
    'high'. The FSG further proposed the addition of a new attribute, called
    "print-optimize", that would augment "print-quality" with values of 'image',
    'photo', 'text', 'text-and-image', 'save-toner' and 'speed'.

    With regard to 'economy' and 'fine', we agreed that 'economy' would map to
    "print-quality"='draft' and 'fine' to "print-quality"='high'. There may be
    end user visible features that map to multiple attributes. We leave it to
    specific print domains to model these higher level aggregate features. When
    appropriate we will add needed elements to the Semantic Model.

    There was a lot of push back on "print-optimize". The main concern was that
    "print-optimize" contained a mixed bag of items. The two main categories
    were content metadata and rendering hints. We finally agreed that the two
    values 'save-toner' and 'speed' are implied by the "print-quality". Since
    they were not required, they were removed. The remaining values are needed
    to direct the type of optimization/processing that will be performed on the
    content. It does not necessarily mean the value describes the content. To
    clarify this we changed the attribute name to "print-content-optimize".
    Finally the value 'image' seemed the same as 'photo'. The name for this was
    changed to 'graphic'.

    As a result the following attribute will be added to the JobX specification
    in it next revision.

       print-content-optimize (type2 keyword)

          This attribute refines the value specified by the print-quality
          attribute.

          The standard keyword values are:

             'graphic': optimize for graphic clarity
             'photo': optimize for photo clarity
             'text': optimize for text clarity
             'text-and-graphic': optimize for both text and graphic clarity

                                    Peter Zehler
                                    XEROX
                                    Xerox Innovation Group
                                    Email: PZehler@crt.xerox.com
                                    Voice: (585) 265-8755
                                    FAX: (585) 422-7961
                                    US Mail: Peter Zehler
                                            Xerox Corp.
                                            800 Phillips Rd.
                                            M/S 128-25E
                                            Webster NY, 14580-9701



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