Is RGB on Mac something else as RGB on windows?

[Trevor DeVore]

On Fri, Sep 12, 2014 at 8:29 AM, Tiemo Hollmann TB <toolbook at kestner.de>
wrote:

> I have an application, where I manipulate an image. I exchange a specified
> RGB color by another value. I developed this app on windows and everything
> works fine. Now at final testing my function seems to be broken, because
> the
> same image (a screenshot taken from a video) seems to have other RGB values
> on a Mac, so that the exchange doesen't work anymore on a Mac.
>
> I tested to create a png with photoshop on Windows with a blue color
> 100,150,200. Opening this png on my Mac and picking the color it gives me:
> 83,131,185. Isn't RGB = RGB on different platforms? That the same RGB might
> display different on different monitors is clear, but a different RGB
> value?
>

Perhaps you are seeing the issue described in this bug report?

http://quality.runrev.com/show_bug.cgi?id=13208

It doesn't look like LiveCode on OS X handles color profiles properly when
loading image files.

-- 
Trevor DeVore
ScreenSteps
www.screensteps.com    -    www.clarify-it.com