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Cannot open Tiff Black and white chanel #259

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sophie-h opened this issue Jan 23, 2025 · 1 comment
Open

Cannot open Tiff Black and white chanel #259

sophie-h opened this issue Jan 23, 2025 · 1 comment

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@sophie-h
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Example image:

https://gitlab.gnome.org/-/project/27706/uploads/041c5adc3c3e723cd9bce2bee4c02917/202209020014164101_2R.tif

The encoder or decoder for Tiff does not support the color type `Unknown(1)`

Downstream issue https://gitlab.gnome.org/GNOME/glycin/-/issues/113
@sophie-h sophie-h mentioned this issue Jan 23, 2025
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@fintelia
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There's some unreleased fixes for 1-bit TIFF files in #252. However, at the moment the image crate bails regardless when it encounters one, because there isn't any logic yet to convert from 1-bit to 8-bits colors.

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@sophie-h @fintelia