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https://github.com/takwolf/bdffont
BdfFont is a library for manipulating Glyph Bitmap Distribution Format (BDF) Fonts.
https://github.com/takwolf/bdffont
bdf bitmap-font bitmap-fonts font fonts
Last synced: 3 months ago
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BdfFont is a library for manipulating Glyph Bitmap Distribution Format (BDF) Fonts.
- Host: GitHub
- URL: https://github.com/takwolf/bdffont
- Owner: TakWolf
- License: mit
- Created: 2023-05-03T10:03:13.000Z (almost 2 years ago)
- Default Branch: master
- Last Pushed: 2024-10-28T10:15:50.000Z (3 months ago)
- Last Synced: 2024-10-28T13:39:14.871Z (3 months ago)
- Topics: bdf, bitmap-font, bitmap-fonts, font, fonts
- Language: Python
- Homepage: https://pypi.org/project/bdffont/
- Size: 2.17 MB
- Stars: 3
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# BdfFont
[](https://www.python.org)
[](https://pypi.org/project/bdffont/)
BdfFont is a library for manipulating [Glyph Bitmap Distribution Format (BDF) Fonts](https://en.wikipedia.org/wiki/Glyph_Bitmap_Distribution_Format).
## Installation
```shell
pip install bdffont
```
## Usage
### Load
```python
import shutil
from bdffont import BdfFont
from examples import assets_dir, build_dir
def main():
outputs_dir = build_dir.joinpath('load')
if outputs_dir.exists():
shutil.rmtree(outputs_dir)
outputs_dir.mkdir(parents=True)
font = BdfFont.load(assets_dir.joinpath('unifont', 'unifont-16.0.01.bdf'))
print(f'name: {font.name}')
print(f'size: {font.point_size}')
print(f'ascent: {font.properties.font_ascent}')
print(f'descent: {font.properties.font_descent}')
print()
for glyph in font.glyphs:
print(f'char: {chr(glyph.encoding)} ({glyph.encoding:04X})')
print(f'glyph_name: {glyph.name}')
print(f'advance_width: {glyph.device_width_x}')
print(f'dimensions: {glyph.dimensions}')
print(f'origin: {glyph.origin}')
for bitmap_row in glyph.bitmap:
text = ''.join(' ' if alpha == 0 else '██' for alpha in bitmap_row)
print(f'{text}*')
print()
font.save(outputs_dir.joinpath('unifont-16.0.01.bdf'))
if __name__ == '__main__':
main()
```
### Create
```python
import shutil
from bdffont import BdfFont, BdfGlyph
from examples import build_dir
def main():
outputs_dir = build_dir.joinpath('create')
if outputs_dir.exists():
shutil.rmtree(outputs_dir)
outputs_dir.mkdir(parents=True)
font = BdfFont(
point_size=16,
resolution=(75, 75),
bounding_box=(16, 16, 0, -2),
)
font.glyphs.append(BdfGlyph(
name='A',
encoding=ord('A'),
scalable_width=(500, 0),
device_width=(8, 0),
bounding_box=(8, 16, 0, -2),
bitmap=[
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 1, 1, 0, 0, 0],
[0, 0, 1, 0, 0, 1, 0, 0],
[0, 0, 1, 0, 0, 1, 0, 0],
[0, 1, 0, 0, 0, 0, 1, 0],
[0, 1, 0, 0, 0, 0, 1, 0],
[0, 1, 1, 1, 1, 1, 1, 0],
[0, 1, 0, 0, 0, 0, 1, 0],
[0, 1, 0, 0, 0, 0, 1, 0],
[0, 1, 0, 0, 0, 0, 1, 0],
[0, 1, 0, 0, 0, 0, 1, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0],
],
))
font.properties.foundry = 'Pixel Font Studio'
font.properties.family_name = 'Demo Pixel'
font.properties.weight_name = 'Medium'
font.properties.slant = 'R'
font.properties.setwidth_name = 'Normal'
font.properties.add_style_name = 'Sans Serif'
font.properties.pixel_size = font.point_size
font.properties.point_size = font.point_size * 10
font.properties.resolution_x = font.resolution_x
font.properties.resolution_y = font.resolution_y
font.properties.spacing = 'P'
font.properties.average_width = round(sum([glyph.device_width_x * 10 for glyph in font.glyphs]) / len(font.glyphs))
font.properties.charset_registry = 'ISO10646'
font.properties.charset_encoding = '1'
font.generate_name_as_xlfd()
font.properties.default_char = -1
font.properties.font_ascent = 14
font.properties.font_descent = 2
font.properties.x_height = 5
font.properties.cap_height = 7
font.properties.font_version = '1.0.0'
font.properties.copyright = 'Copyright (c) TakWolf'
font.save(outputs_dir.joinpath('my-font.bdf'))
if __name__ == '__main__':
main()
```
## Test Fonts
- [GNU Unifont Glyphs](https://unifoundry.com/unifont/index.html)
- [Galmuri](https://github.com/quiple/galmuri)
- [美咲フォント / Misaki](https://littlelimit.net/misaki.htm)
## References
- [X11 - Bitmap Distribution Format - Version 2.1](https://www.x.org/docs/BDF/bdf.pdf)
- [Adobe - Glyph Bitmap Distribution Format (BDF) Specification - Version 2.2](https://adobe-type-tools.github.io/font-tech-notes/pdfs/5005.BDF_Spec.pdf)
- [X Logical Font Description Conventions - X Consortium Standard](https://www.x.org/releases/current/doc/xorg-docs/xlfd/xlfd.html)
## License
Under the [MIT license](LICENSE).