livecode changes image colors without being asked to do it

Robert Brenstein runrev at learning-insights.eu
Wed Sep 6 08:49:30 EDT 2017


Thanks Sean. I finally had time to check your file and indeed it 
displays correctly in 8.1.6.

It still displays wrong in 7.1.3, but it displays differently than the 
file without profile, so this must be the profile issue that was fixed 
in 8.1.3.

In other words, my problem is with the way jpeg file were generated. It 
would be nice if LC handled such files like Preview does or at least 
returned a warning that profile is missing.

Robert

On 1 Sep 2017, at 2:34, Sean Cole (Pi) via use-livecode wrote:

> Hi Robert
>
> I have looked at this and it is reacting this way because a correct
> CMYK colorspace profile has not been embedded into the jpeg file.
> LiveCode, therefore, has no idea how to interpret the colors and
> handles them in an almost raw state oversaturating them. Adding the
> closest profile to its natural state helps, in this instance, US Web
> Coated (SWOP) v2.
>
> I've attached another source jpg to test with which has this embedded 
> profile.
>
> http://quality.livecode.com/show_bug.cgi?id=20316
>
>
> Sean Cole
> *Pi Digital Productions Ltd*
>
> '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 1 September 2017 at 00:11, Robert Brenstein via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
>
>> I just tested this in LC 8.1.6 and it shows the same problem as 
>> 7.1.3. I
>> filed a bug report for the team to check into this, including the 
>> files.
>> Bug 20316.
>>
>> Robert
>>



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