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Sep 30, 2025
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docs: rework tables about accepted image formats #157

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5bed477
docs: rework tables about accepted image formats
EscapedGibbon Sep 29, 2025
1a3f8a4
docs: fix spelling mistakes
EscapedGibbon Sep 29, 2025
19802a4
docs: update table with supported image formats
EscapedGibbon Sep 30, 2025
f01ab8b
docs: invert footnotes order
EscapedGibbon Sep 30, 2025
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21 changes: 13 additions & 8 deletions docs/basics/working-with-images.md
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Expand Up @@ -8,14 +8,19 @@ In the context of digital technology and computing, images are represented as a

- Currently ImageJS supports images with these characteristics:

| | TIFF | JPEG | PNG | BMP |
| -------------------------------- | ---------------- | ------- | ---------------- | -------- |
| **Bits per channel** | 8 or 16 bits | 8 bits | 8 or 16 bits | 1 bit |
| **Alpha channel** | yes | no | yes | no |
| **Lossy compression** | can be either | yes | no | no |
| **Color Model** | RGB or grayscale | RGB | RGB or grayscale | N/A |
| **Can be loaded in this format** | ✅ | ✅ | ✅ | ❌ |
| **Can be saved in this format** | ❌ | ✅ | ✅ | ✅ |
| | TIFF | JPEG | PNG[^2] | BMP |
| -------------------------------- | --------------------------- | -------- | --------------------------- | --------------------------- |
| **Can be loaded in this format** | ✅ | ✅ | ✅ | ✅ |
| **Can be saved in this format** | ❌ | ✅ | ✅ | ✅ |
| **Bits per channel** | 1, 8 or 16 bits | 8 bits | 1, 2, 4, 8 or 16 bits | 1 or 8 bits |
| **Alpha channel** | ✅ | ❌ | ✅ | ✅ |
| **Palette images** | ✅ | ❌ | ✅ | ❌ |
| **Lossy compression** | can be either | ✅ | ❌ | ❌ |
| **Color Model** | Binary[^1],RGB or grayscale | RGB | Binary[^1],RGB or grayscale | Binary[^1],RGB or grayscale |

[^1]: ImageJS can also **decode** [APNG images](https://en.wikipedia.org/wiki/APNG).

[^2]: While binary images can be decoded, for technical reasons image is decoded as a grayscale image.

### Image coordinates

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3 changes: 2 additions & 1 deletion project-words.txt
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Expand Up @@ -38,4 +38,5 @@ Dssim
mssim
GREYA
Polylines
anonymization
anonymization
APNG