n7olkachev / imgdiff Goto Github PK

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Faster than the fastest in the world pixel-by-pixel image difference tool.

License: MIT License

Go 87.03% Shell 11.21% Dockerfile 1.76%

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imgdiff's Issues

Why is threshold multiplied twice?

imgdiff/pkg/imgdiff/imgdiff.go

Line 30 in 3eef05c

maxDelta := yiq.MaxDelta * options.Threshold * options.Threshold

I'm confused why this line is like this. I'd assume the threshold (from 0 to 1) only needs to be multiplied once?

Provide the MacOS-x86 build

ODiff creator is here :D

Output text on Windows

I've compared two images to test this and I got this output

←[1;31mFailure!←[0m Images are different.
Different pixels: ←[1;31m670866←[0m

Is this supposed to look like this?

What is the licence?

I was wondering what licence does the project has?

Output is a zero-byte PNG file

Version: 1.0.0

It computed the number of different pixels, but the output is empty.

Example:

curl -O https://user-images.githubusercontent.com/640840/112396875-03837d80-8ccf-11eb-8aa2-ef605eb6ab60.png
curl -O https://user-images.githubusercontent.com/640840/112396905-0da57c00-8ccf-11eb-8cd3-dab6d42cbfa1.png

./bin/imgdiff-darwin-amd64 --threshold 0.01 112396875-03837d80-8ccf-11eb-8aa2-ef605eb6ab60.png 112396905-0da57c00-8ccf-11eb-8cd3-dab6d42cbfa1.png output_diff.png

I get this output:

Failure! Images are different.
Different pixels: 3992

But the file is empty:

0B 24 Mar 18:34 output_diff.png

Any ideas? This is a fantastic tool that really boosted our end-to-end screenshots tests. I get these zero-byte files every ~1-2 in 100 diffs.

Make the module available for developers

To integrate your tool in an other projects, the module path must be changed from imgdiff to github.com/n7olkachev/imgdiff.

So one can use your project as package. It would be great, e.g. in unit tests.

how to output coordinate x,y of difference area

sir instead of store output image to local drive ,how can i get the four corner point x y value array top x,y lowest x,y so i can crop the area from original file

n7olkachev / imgdiff Goto Github PK

imgdiff's People

Contributors

Stargazers

Watchers

Forkers

imgdiff's Issues

Why is threshold multiplied twice?

Provide the MacOS-x86 build

Output text on Windows

What is the licence?

Output is a zero-byte PNG file

Make the module available for developers

how to output coordinate x,y of difference area

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