livecode changes image colors without being asked to do it

Robert Brenstein runrev at learning-insights.eu
Wed Aug 30 10:31:47 EDT 2017


Thanks for pointing me in the right direction. The images are indeed 
CMYK. The stack is used to produce a PDF file and the printing shop 
requested CMYK. I just checked that last year we had indeed used sRGB 
not CMYK.

RObert

On 30 Aug 2017, at 16:03, Sean Cole (Pi) via use-livecode wrote:

> Hi Robert,
>
> This is likely down to the colour space the images are embedded with.
> Preview will respect the colour space whereas LC will not in some 
> cases.
> Make sure the jpg is saved with the sRGB (IEC61966-2.1) profile to 
> maintain
> the correct colour. And make sure it's not CMYK.
>
> Sean Cole
> *Pi Digital Productions Ltd*
> www.pidigital.co.uk
> +44(1634)402193
> +44(7702)116447
> 'Don't try to think outside the box. Just remember the truth: There is 
> no
> box!'
> 'For then you realise it is not the box you are trying to look outside 
> of,
> but it is yourself!'
>
> eMail Ts & Cs <http://pidigital.co.uk/emailTCs.rtf>   Pi Digital
> Productions Ltd is a UK registered limited company, no. 5255609
>
> On 30 August 2017 at 14:03, Mike Bonner via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
>> Not sure if it will make a difference, but you might want to-- set 
>> the
>> resizequality of the img "imagename"  to "best"
>>
>> On Wed, Aug 30, 2017 at 6:54 AM, 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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