bdffont

Bdffont

BDFFONT es una biblioteca para manipular las fuentes del formato de distribución de mapa de bits del glifo (BDF).

Instalación

pip install bdffont

Uso

Carga

 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-16.0.02.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-16.0.02.bdf' ))


if __name__ == '__main__' :
    main ()

Crear

 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 ()

Fuentes de prueba

• Gnu unifont glifos
• 美咲フォント / Misaki

Referencias

• X11 - Formato de distribución de mapa de bits - Versión 2.1
• Adobe - Especificación de formato de distribución de mapa de bits de glifo (BDF) - Versión 2.2
• X Convenciones de descripción de fuente lógica - X estándar del consorcio

Licencia

Bajo la licencia del MIT.