[Openicc] GoSoC 2011: CPD and target printing

edmund ronald edmundronald at gmail.com
Thu May 12 03:21:10 PDT 2011

1. I do agree with Chris that not being able to "disable" color
management (eg. for targets) on OS Xhas really created considerable
user pain and this needs fixingI think every app, including Preview
should be able to print targets.

2. There was a bug in Photoshop CS5, such that settings in the print
dialog were NOT the ones communicated to the print system. This is
exactly the sort of situation where a "streamed to console" or file
human-readable summary of the print settings would be a really useful
diagnostic aid. I needed one week of work to locate the bug, which an
Adobe engineer then immediately confirmed.


Actually, there was an interesting bug in Photoshop CS5 whereby the
settings "set" for printing in the print dialog were not the ones
actually communicated to the print system.

On 5/12/11, Chris Murphy <lists at colorremedies.com> wrote:
> On May 11, 2011, at 10:02 PM, Michael Sweet wrote:
>> On May 11, 2011, at 6:06 PM, Chris Murphy wrote:
>>>> ...
>>>> This is where you could have UI to show all of the print job settings
>>>> including the device profile that will be used (if any). In Mac OS X we
>>>> have the "Summary" pane...
>>> The summary's limited scope means it regularly fails to inform the user
>>> what's going to happen. Setting aside any complaints about malformed
>>> print drivers doing the wrong thing, the UI will tell me that ColorSync
>>> is going to be used when it certainly should not be, and also tells me it
>>> will be used when it isn't. So I find the Color Matching summary to be
>>> intermittently misleading and thus useless.
>> I assume you've filed bugs about this behavior?!?  I'm not aware of any
>> reported issues with the summary information, but we do intend for it to
>> be accurate.
> Long ago, and I don't see them in radar anymore. I regularly get "works as
> intended" as responses to my color and printing bug reports, inquiries and
> commentaries, anyway. So I don't see the point anymore.
> However, there are only two values possible for the Summary>Color
> Matching>Color Matching item: ColorSync or Manufacturer Color Controls. By
> design, the summary could not possibly be accurate because it lacks a value
> for "Disabled". There is no Color Matching that's supposed to be occurring
> when printing targets  or prematched data, but there is no Value for the
> Summary panel that can communicate this anyway. So in this case, it's not a
> bug, it does work as intended, but it's a flawed design and the intention
> missed the mark.
> And in any event, this Summary issue is like a 5 year old on a concrete
> drive way playing with matches. Meanwhile there's a 9000 acre forest fire
> that people have been bitching about for 7 years, which is how I'd describe
> the state of unreliable color management (disabling of transforms when
> needed).
> Yes the Summary should be accurate, but way more important ought to be
> caring about tens of thousands of dollars of wasted ink and media, and the
> neurological effects as users have been pulling out their hair when they
> encounter these ICC workflow printing problems on OS X. That's the elephant
> in the room. So I'm disinclined to become distracted with a comparatively
> minor problem.
> Chris Murphy
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