curioustorvald/Terrarum-sans-bitmap
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anchor fixes

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minjaesong
2026-03-08 01:44:17 +09:00
parent 8a52fcfb91
commit af1d720ec2
12 changed files with 53 additions and 57 deletions
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17
CONTRIBUTING.md
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@@ -77,7 +77,7 @@ Up&Down:
<MSB,Red> SXXXXXXX SYYYYYYY 00000000 <LSB,Blue>
Each X and Y numbers are Signed 8-Bit Integer.
Each X and Y numbers are TWO'S COMPLEMENT Signed 8-Bit Integer.
X-positive: nudges towards left
Y-positive: nudges towards down
@@ -87,19 +87,22 @@ Y-positive: nudges towards down
4 Pixels are further divided as follows:
| LSB | | Red | Green | Blue |
| ------------ | ------------ | ------------ | ------------ | ------------ |
| ------------ | ------------ | ------------ | ----------- | ------------ |
| Y | Anchor point Y for: | undefined | undefined | undefined |
| X | Anchor point X for: | undefined | undefined | undefined |
| Y | Anchor point Y for: | (unused) | (unused) | (unused) |
| Y | Anchor point Y for: | Type-0 | Type-1 | Type-2 |
| X | Anchor point X for: | Type-0 | Type-1 | Type-2 |
| **MSB** | | | | |
<MSB,Red> 1Y1Y1Y1Y 1Y2Y2Y2Y 1Y3Y3Y3Y <LSB,Blue>
<MSB,Red> 1X1X1X1X 1X2X2X2X 1X3X3X3X <LSB,Blue>
<MSB,Red> 1Y1Y1Y1Y 2Y2Y2Y2Y 3Y3Y3Y3Y <LSB,Blue>
<MSB,Red> 1X1X1X1X 2X2X2X2X 3X3X3X3X <LSB,Blue>
where Red is first, Green is second, Blue is the third diacritics.
MSB for each word must be set so that the pixel would appear brighter on the image editor.
(the font program will only read low 7 bits for each RGB channel)
Each X and Y numbers are SIGN AND MAGNITUDE 8-Bit Integer.
X-positive: nudges towards left
Y-positive: nudges towards down
#### Diacritics Type Bit Encoding