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Re: [QF-Test] Feature request: Inverted XOR and difference for image checks


  • Subject: Re: [QF-Test] Feature request: Inverted XOR and difference for image checks
  • From: Gregor Schmid <Gregor.Schmid@?.de>
  • Date: Wed, 18 Nov 2015 18:20:16 +0100

Hello Marek,

for me, the difference image is the most important one in cases where
there is no offset and minimal differences in the color values, so it
can't be spotted in any of the other versions. In the difference image,
the pixels with different values clearly stand out and when you move
the mouse pointer of such a pixel you'll see both color values shown
above the image.

In such a case, the actual difference between the values is so close
to black anyways, that your suggestion - is I understand it correctly
- would only result in an inverse of the current difference image.

Best regards,
    Greg

"Nedvěd, Marek" <m.nedved@?.de> writes:

> Hello QF Test people,
>
> I would like to ask for a feature request for the image comparison. The images in the run-log are
> good. Expected and actual images are very helpful and the controls to compare them side-by-side,
> under each other or just to switch them are great.
>
> My only concern is with the xor and difference. If there are some obvious differences, then it is
> ok, but when there are just small differences, like small offsets or slight differences in colors,
> then it is not very pleasant to use.
>
> I suggest to deduct the resulting pixel color from black. Then most of the diff picture will be
> white and the differences will be in the actual color of the difference.
>
> But maybe it is just me, so I would like to ask for some feedback for this feature, if anyone is
> happy with it, please reply.
>
> Best regards,
>
> Marek Nedved
>
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> qftest-list@?.de
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--
Gregor Schmid

E: gregor.schmid@?.de
T: +49 8171 38648-11
F: +49 8171 38648-16

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