Re: An empty correspondence with the CEO of Adobe Systems

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From	rodd@panix.com (Rod Dorman)
Newsgroups	comp.lang.postscript
Subject	Re: An empty correspondence with the CEO of Adobe Systems
Date	Mon, 16 Mar 2015 19:05:59 +0000 (UTC)
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In article <MPG.2f6e30f49082849898e4@usenet.plus.net>,
ken  <ken@spamcop.net> wrote:
>In article <MPG.2f6e2e5cd3cd92749898e3@usenet.plus.net>, ken@spamcop.net 
>says...
>> 
>> In article <15318244-a1c5-42c8-8f76-18279a120b03@googlegroups.com>, 
>> jdawiseman@gmail.com says...
>> 
>> > > If the settransfer is ignored by Mac Preview, even though its valid, 
>> surely this is a problem with Mac Preview, not pdfwrite ?
>> >  
>> > But Preview heeds the Distiller implementation. See: 
>> > https://groups.google.com/forum/#!topic/comp.lang.postscript/NJLAfvN_jwU
>> 
>> Still, if the transfer function is legal (which I assume it is, since it 
>> works in Reader), the fault is in Mac Preview. Without knowing what 
>> exactly Mac Preview is doign its kind of hard to 'fix' the bug by 
>> altering what pdfwrite produces.
>
>FWIW, you are correct that Distiller is pickling the transfer funtion 
>into the colours in the PDF file, while Ghostscript is preserving the 
>transfer funtion.
>
>Its surprising how many PDF Readers are unable to handle transfer 
>functions, I'm disappointed to see that Mac Preview is among them.

It also had a problem with the Separation colorspace where it would
just ignore it.

-- 
					-- Rod --
rodd(at)polylogics(dot)com

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An empty correspondence with the CEO of Adobe Systems jdaw1 <jdawiseman@gmail.com> - 2015-03-13 15:47 -0700
  Re: An empty correspondence with the CEO of Adobe Systems tlvp <mPiOsUcB.EtLlLvEp@att.net> - 2015-03-14 04:20 -0400
  Re: An empty correspondence with the CEO of Adobe Systems ken <ken@spamcop.net> - 2015-03-14 09:20 +0000
    Re: An empty correspondence with the CEO of Adobe Systems jdaw1 <jdawiseman@gmail.com> - 2015-03-14 03:08 -0700
      Re: An empty correspondence with the CEO of Adobe Systems ken <ken@spamcop.net> - 2015-03-14 11:39 +0000
        Re: An empty correspondence with the CEO of Adobe Systems ken <ken@spamcop.net> - 2015-03-14 11:50 +0000
          Re: An empty correspondence with the CEO of Adobe Systems rodd@panix.com (Rod Dorman) - 2015-03-16 19:05 +0000
    Re: An empty correspondence with the CEO of Adobe Systems jdaw1 <jdawiseman@gmail.com> - 2015-04-05 14:37 -0700
      Re: An empty correspondence with the CEO of Adobe Systems ken <ken@spamcop.net> - 2015-04-06 08:00 +0100
        Re: An empty correspondence with the CEO of Adobe Systems jdaw1 <jdawiseman@gmail.com> - 2015-04-06 15:51 -0700
          Re: An empty correspondence with the CEO of Adobe Systems ken <ken@spamcop.net> - 2015-04-07 09:03 +0100

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