Re: SV: Re: TortoiseIDiff GUI-dev question

Hans-Emil Skogh wrote:
>>> If we want to add some kind off comparison (for example pixelwise
>>> subtraction) to TortoiseIDiff, how should it be shown integrated in
> the
>>> GUI?
>>> Then we would have three images:
>>> - Before
>>> - After
>>> - Comparison
>> Why do you need three images?
>
> Well, there will be three images available. As you point out below it's
> not a very good idea to simply display them side by side.

Ok, I understand now. The third image would be the diff-pic, and it
doesn't have to be shown side-by-side for sure.

>> I would suggest to only use two images.
>
> I assume you mean "only display two images at a time"?

Yes, exactly.

>> Then you can overlap the comparison image if you want, with
>> a button to switch it on/off (like the info box does now).
>
> I guess that would call for an alpha slider as well as buttons. But I
> think allowing overlaying of the comparison image over each of the
> original images in the two pane view sounds like a good first step,
> since we already have support for overlaying in that class.
>
> How to handle it in the overlap-view is still an open question then.

Maybe no overlap-view like it is now. Just overlay it on both images.

>> Because if you have three images, this won't work
>> well with big images.
>
> (Again assuming "display concurrently" instead of "have".)
> Absolutely. That's why I raised the question on the list.
>
>> That's also why I don't like KDiff3 - it shows the three
>> text files side-by-side so that you can't see much of the
>> files anymore.
>
> Might still be usable for ppl with huge displays. =)

I have a laptop with a resolution of 1920x1200, I think that's as big as
it gets these days. And I don't like it that way :)

Stefan

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