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Adding transparent colours on nft format #70

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Adding transparent colours on nft format #70

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10 changes: 6 additions & 4 deletions standards/6-nft.md
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Expand Up @@ -3,7 +3,7 @@
## Quick information
| Information | |
| ----------- | ------------------------- |
| Version | 1.0.0 |
| Version | 1.1.0 |
| Type | Image file format |
| MIME | `image/nft` |
| Extensions | `.nft` |
Expand All @@ -19,15 +19,17 @@ background colour.
The format uses two special characters, a character whose byte is `30` and another whose byte is `31`.


| Byte | Represents |
| ---- | ---------- |
| Byte | Represents |
| ---- | ---------------------------- |
| 30 | Background colour definition |
| 31 | Text colour definition |
| 31 | Text colour definition |

If a `30` or `31` character is encountered the character immediately after will be a hexadecimal. If the character is
`30` the colour represented by the hexadecimal becomes the 'active' background colour. Hence, any proceeding pixels will
use the active background colour (until the next `30` character changes it). The same applies with the `31` character,
but it instead sets the text colour.
If the colour specified after one of these characters is a space character instead of an hexadecimal then the colour will
be set to transparent.

### Text characters
Any character that is not `30`, `31` or the character immediately after those two represents the character that should
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