Re: TortoiseIDiff Question

On 19.12.2012 05:12, Paul Coddington wrote:
> TortoiseIDiff 1.7.10.23359
>
> 1. Create an image file "1".
>
> 2. Make a copy of "1" as "2" in Windows Explorer.
>
> 3. Perform a diff comparison of "1" and "2".
>
> 4. TortoiseIDiff: Overlay images.
>
> 5. TortoiseIDiff: Disable alpha blend.
>
> Should I now be seeing a blank white pane?
>
> What I am seeing instead is a fuzzy outline of pale colours which I thought
>
> would only be expected if the images were slightly different.
>
> If the sources were JPG and I wanted to compare compression losses, I
> might think
>
> the image had changed. Perhaps I have misunderstood how this works.

The zoom is done with float values, so you never get the images
*exactly* the same size.

Stefan

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