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exif-viewer's Introduction

EXIF Viewer

Web-based EXIF viewer built to view photo EXIF data details from a range of photo format's metadata including JPEG, PNG and TIFF image files.

Made with Kotlin for WebAssembly & powered by Ashampoo Kim.

Contributions

Contributions to this project are welcome! If you encounter any issues, have suggestions for improvements, or would like to contribute new features, please feel free to submit a pull request.

License

EXIF Viewer is licensed under the GNU Affero General Public License (AGPL), ensuring the community's freedom to use, modify, and distribute the software.

exif-viewer's People

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mephiztopheles avatar stefanoltmann avatar

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mephiztopheles

exif-viewer's Issues

Suggestion - don't cut the PNG `tEXt` chunk

I really like your viewer, especially the hex viewer part.

The very popular https://github.com/AUTOMATIC1111/stable-diffusion-webui puts the generation parameters in the tEXt chunk and this far it's hard to find software that will display it (outside the stable-diffusion-webui itself). I also think the tEXt chunk is used by other ML image generators.

Ideally this should apply to the iTXt chunk as well, and if your really want to "take it all the way" remember that this one is UTF-8 encoded 😉

For now I've just been using a normal hex viewer for this, but it's more convenient using something that understand "chunks".

Here is an example image generated by me so that it's safe to use:

00041-257608607

Fix hover-effect in integration

With #7 I implemented a feature that overflow values get highlighted.

It works in the local HTML files, but for some reason not in the integrated project.

This needs further investigation.

Rotate thumbnail image according to orientation

Would be nice to rotate the thumbnail image according to the image orientation, but without changing the actual image bytes.

This will do the transformation in CSS:

exif-viewer/app/src/wasmJsMain/kotlin/Main.kt

Lines 83 to 99 in d40af2e

// /*
// * Use CSS to rotate the image to keep the original image bytes.
// * If the user saves the image to disk it should still be identical to
// * the output of "exiftool -b -ThumbnailImage test.jpg > thumb.jpg".
// */
// val styleTransform = when (orientation) {
// TiffOrientation.MIRROR_HORIZONTAL -> "scale(-1, 1)"
// TiffOrientation.UPSIDE_DOWN -> "rotate(180deg)"
// TiffOrientation.MIRROR_VERTICAL -> "scale(1, -1)"
// TiffOrientation.MIRROR_HORIZONTAL_AND_ROTATE_LEFT -> "rotate(-90deg) scale(1, -1)"
// TiffOrientation.ROTATE_RIGHT -> "rotate(90deg)"
// TiffOrientation.MIRROR_HORIZONTAL_AND_ROTATE_RIGHT -> "rotate(90deg) scale(1, -1)"
// TiffOrientation.ROTATE_LEFT -> "rotate(-90deg)"
// else -> ""
// }
//
// imageElement.style.transform = styleTransform

The problem is that after that the image size will not be correct.

I did not find a solution for this so far.

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