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Message #11770
Re: [Question #203000]: Mac: colors slightly darker in screenshots than original in VMBox/Windows
Question #203000 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/203000
Status: Open => Answered
RaiMan proposed the following answer:
confirmed:
c7bUV (Mac Sikuli) is slightly darker against the others which are identical. This applies to the color of all pixels.
I made a comparing test on my Mac Lion having Win7 in Parallels and the
images produced with Sikuli running on Mac (I used the Crome icon in
Windows) either with IDE's capture feature or with Screen.capture() are
slightly darker, than the images produced with Sikuli running on Windows
and with Mac's capture feature.
What finally really surprises:
Running the script on Mac ALL the Mac images produce a score of 1.0 but the Windows images produce 0.9 only
On Windows the situation is vice versa: Win images bring 1.0, the Mac images 0.9
And always the darker images bring the same score as the normal image in both cases.
This is definitely a buggy situation.
And I just realized: On Mac this is generally the case: images captured
with the Sikuli features are slightly darker than the originals (but
this does not seem to affect the searching as such).
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