livecode changes image colors without being asked to do it

Robert Brenstein runrev at learning-insights.eu
Thu Aug 31 11:46:42 EDT 2017


Mark, if you follow the thread, you will find that I hit a known problem 
and it was remedied in a newer version of LC8. The comment/tip from 
Keith is quite useful since the files I produce are printed by different 
print shops in different countries. The shop I use locally accepts files 
with sRGB but warns that color might be slightly off due to conversion 
to CMYK.

RObert

On 31 Aug 2017, at 17:07, Mark Waddingham via use-livecode wrote:

> Hi Robert,
>
> Are you able to file a bug with the offending image?
>
> The engine does handle colour profiles in many cases so there may be 
> an issue with that kind of profile (if the image has one).
>
> Of course, if the image does not have a profile then it might the 
> engine isn't using an appropriate default.
>
> Warmest Regards,
>
> Mark.
>
> Sent from my iPhone
>
>> On 30 Aug 2017, at 13:54, Robert Brenstein via use-livecode 
>> <use-livecode at lists.runrev.com> wrote:
>>
>> I have a stack that dynamically sets the image that is displayed on a 
>> card using
>>
>>    set the filename of img vImageName of stack vStackName to 
>> vFilePath
>>
>> I just encountered a problem with a new batch of jpeg files. Their 
>> colors change when they are displayed in the stack. I mean that when 
>> I open them in Preview, the color saturation and hue are different 
>> than when viewing the same pic in a stack.
>>
>> Anything I can do to avoid that or anything I can tell the graphics 
>> person to do differently when producing those files in AI?
>>
>> RObert
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