MiniGent TTF font generator

minigent.py

#! /usr/bin/env nix-shell
#! nix-shell -i python3 -p "(pkgs.python3.withPackages (python-pkgs: [ python-pkgs.fontforge python-pkgs.shapely ]))"

import fontforge
import os
import tempfile
from shapely import MultiPolygon, Polygon, box, unary_union
from shapely.affinity import translate

glyph_data = {
    '!': [0,1,0,0,1,0,0,0,0,0,1,0],
    '$': [0,1,0,1,1,1,0,1,1,1,1,1,0,1,0],
    '%': [0,0,1,1,1,0,0,1,0,1,0,1],
    '&': [0,1,1,0,1,1,1,0,1,0,1,1],
    '(': [0,0,1,0,1,0,0,1,0,0,0,1],
    ')': [1,0,0,0,1,0,0,1,0,1,0,0],
    '+': [0,0,0,0,1,0,1,1,1,0,1,0],
    ',': [0,0,0,0,0,0,0,0,0,0,1,0,0,1,0],
    '-': [0,0,0,0,0,0,1,1,0,0,0,0],
    '—': [0,0,0,0,0,0,1,1,1,0,0,0],
    '.': [0,0,0,0,0,0,0,0,0,0,1,0],
    '<': [0,0,0,0,1,0,1,0,0,0,1,0],
    '>': [0,0,0,0,1,0,0,0,1,0,1,0],
    '/': [0,0,1,0,1,0,0,1,0,1,0,0],
    '0': [1,1,1,1,0,1,1,0,1,1,1,1],
    '1': [0,1,0,1,1,0,0,1,0,1,1,1],
    '2': [1,1,0,0,0,1,1,1,0,1,1,1],
    '3': [1,1,1,0,0,1,0,1,1,1,1,1],
    '4': [1,0,0,1,0,1,1,1,1,0,0,1],
    '5': [1,1,1,1,1,0,0,0,1,1,1,0],
    '6': [0,1,1,1,0,0,1,1,1,1,1,1],
    '7': [1,1,1,0,0,1,0,1,0,0,1,0],
    '8': [1,1,1,1,1,1,1,0,1,1,1,1],
    '9': [1,1,1,1,1,1,0,0,1,1,1,0],
    ':': [0,0,0,0,1,0,0,0,0,0,1,0],
    ';': [0,0,0,0,1,0,0,0,0,0,1,0,0,1,0],
    '=': [0,0,0,1,1,1,0,0,0,1,1,1],
    '?': [1,1,0,0,0,1,0,0,0,0,1,0],
    '@': [0,1,1,1,1,0,1,1,1,0,0,0,0,1,1,0],
    'A': [0,1,0,1,0,1,1,1,1,1,0,1],
    'B': [1,1,0,1,1,0,1,0,1,1,1,0],
    'C': [0,1,1,1,0,0,1,0,0,0,1,1],
    'D': [1,1,0,1,0,1,1,0,1,1,1,0],
    'E': [0,1,1,1,0,0,1,1,0,1,1,1],
    'F': [0,1,1,1,0,0,1,1,0,1,0,0],
    'G': [0,1,1,1,0,0,1,0,1,0,1,1],
    'H': [1,0,1,1,0,1,1,1,1,1,0,1],
    'I': [1,1,1,0,1,0,0,1,0,1,1,1],
    'J': [0,1,1,0,0,1,0,0,1,1,1,0],
    'K': [1,0,1,1,0,1,1,1,0,1,0,1],
    'L': [1,0,0,1,0,0,1,0,0,0,1,1],
    'M': [1,1,1,1,1,1,1,0,1,1,0,1],
    'N': [1,1,0,1,0,1,1,0,1,1,0,1],
    'O': [0,1,0,1,0,1,1,0,1,0,1,0],
    'P': [1,1,0,1,0,1,1,1,0,1,0,0],
    'Q': [0,1,0,1,0,1,1,0,1,0,1,1],
    'R': [1,1,0,1,0,1,1,1,0,1,0,1],
    'S': [0,1,1,1,0,0,0,1,1,1,1,0],
    'T': [1,1,1,0,1,0,0,1,0,0,1,0],
    'U': [1,0,1,1,0,1,1,0,1,0,1,1],
    'V': [1,0,1,1,0,1,1,0,1,0,1,0],
    'W': [1,0,1,1,0,1,1,1,1,1,1,1],
    'X': [1,0,1,1,0,1,0,1,0,1,0,1],
    'Y': [1,0,1,1,0,1,0,1,0,0,1,0],
    'Z': [1,1,1,0,0,1,0,1,0,1,1,1],
    '[': [0,1,1,0,1,0,0,1,0,0,1,1],
    '\"': [0,1,1,0,1,1,0,0,0,0,0,0],
    '\'': [0,1,0,0,1,0,0,0,0,0,0,0],
    '\\': [1,0,0,0,1,0,0,1,0,0,0,1],
    ']': [1,1,0,0,1,0,0,1,0,1,1,0],
    '^': [0,1,0,1,0,1,0,0,0,0,0,0],
    '_': [0,0,0,0,0,0,0,0,0,1,1,1],
    '`': [0,1,0,0,0,1,0,0,0,0,0,0],
    'a': [0,0,0,0,1,1,1,0,1,1,1,1],
    'b': [1,0,0,1,1,1,1,0,1,1,1,1],
    'c': [0,0,0,1,1,1,1,0,0,1,1,1],
    'd': [0,0,1,1,1,1,1,0,1,1,1,1],
    'e': [0,0,0,1,1,1,1,0,1,1,1,0],
    'f': [0,1,0,1,0,0,1,1,0,1,0,0],
    'g': [0,0,0,1,1,1,1,1,1,0,0,1,1,1,1],
    'h': [1,0,0,1,1,1,1,0,1,1,0,1],
    'i': [0,1,0,0,0,0,0,1,0,0,1,0],
    'j': [0,1,0,0,0,0,0,1,0,0,1,0,1,1,0],
    'k': [1,0,0,1,0,1,1,1,0,1,0,1],
    'l': [0,1,0,0,1,0,0,1,0,0,0,1],
    'm': [0,0,0,1,1,1,1,1,1,1,0,1],
    'n': [0,0,0,1,1,1,1,0,1,1,0,1],
    'o': [0,0,0,1,1,1,1,0,1,1,1,1],
    'p': [0,0,0,1,1,1,1,0,1,1,1,1,1,0,0],
    'q': [0,0,0,1,1,1,1,0,1,1,1,1,0,0,1],
    'r': [0,0,0,1,1,0,1,0,0,1,0,0],
    's': [0,0,0,0,1,1,0,1,0,1,1,0],
    't': [0,1,0,1,1,1,0,1,0,0,1,0],
    'u': [0,0,0,1,0,1,1,0,1,1,1,1],
    'v': [0,0,0,1,0,1,1,0,1,0,1,0],
    'w': [0,0,0,1,0,1,1,1,1,1,1,1],
    'x': [0,0,0,1,0,1,0,1,0,1,0,1],
    'y': [0,0,0,1,0,1,1,1,1,0,0,1,1,1,1],
    'z': [0,0,0,1,1,0,0,1,0,0,1,1],
    '{': [0,1,1,0,1,0,1,1,0,0,1,1],
    '|': [0,1,0,0,1,0,0,1,0,0,1,0],
    '}': [1,1,0,0,1,0,0,1,1,1,1,0],
    '~': [0,0,0,0,0,1,0,1,1,0,1,0,0,0,0,0],
    'Α': [0,1,0,1,0,1,1,1,1,1,0,1],
    'Β': [1,1,0,1,1,1,1,0,1,1,1,1],
    'Γ': [1,1,1,1,0,0,1,0,0,1,0,0],
    'Δ': [0,1,0,1,0,1,1,0,1,1,1,1],
    'Ε': [1,1,1,1,0,0,1,1,0,1,1,1],
    'Ζ': [1,1,1,0,0,1,0,1,0,1,1,1],
    'Η': [1,0,1,1,1,1,1,0,1,1,0,1],
    'Θ': [0,1,1,1,0,1,1,1,1,1,1,1],
    'Ι': [0,1,0,0,1,0,0,1,0,0,1,0],
    'Κ': [1,0,1,1,1,0,1,0,1,1,0,1],
    'Λ': [0,1,0,1,0,1,1,0,1,1,0,1],
    'Μ': [1,1,0,1,1,1,1,0,1,1,0,1],
    'Ν': [0,1,1,1,0,1,1,0,1,1,0,1],
    'Ξ': [1,1,1,0,0,0,0,1,0,1,1,1],
    'Ο': [0,1,1,1,0,1,1,0,1,1,1,1],
    'Π': [1,1,1,1,0,1,1,0,1,1,0,1],
    'Ρ': [1,1,1,1,0,1,1,1,1,1,0,0],
    'Σ': [1,1,1,1,0,0,0,1,0,1,1,1],
    'Τ': [1,1,1,0,1,0,0,1,0,0,1,0],
    'Υ': [1,0,1,1,0,1,0,1,0,0,1,0],
    'Φ': [0,1,0,1,1,1,1,0,1,1,1,1,0,1,0],
    'Χ': [1,0,1,0,1,0,1,0,1,1,0,1],
    'Ψ': [1,1,1,1,1,1,1,1,1,0,1,0],
    'Ω': [1,1,1,1,0,1,0,1,0,1,1,1],
    'α': [0,0,0,0,1,1,1,0,1,0,1,1],
    'β': [1,1,0,1,1,0,1,0,1,1,1,0,1,0,0],
    'γ': [0,0,0,1,0,0,1,0,1,1,1,0,0,1,0],
    'δ': [0,0,1,0,1,0,1,0,1,0,1,0],
    'ε': [0,0,0,0,1,1,1,1,0,0,1,1],
    'ζ': [1,1,1,0,0,1,0,1,0,0,0,1,0,1,0],
    'η': [0,0,0,1,1,0,1,0,1,1,0,1,0,0,1],
    'θ': [0,1,0,1,0,1,1,1,1,0,1,0],
    'ι': [0,0,0,0,1,0,0,1,0,0,0,1],
    'κ': [0,0,0,1,0,1,1,1,0,1,0,1],
    'λ': [1,0,0,0,1,0,0,1,1,1,0,1],
    'μ': [0,0,0,1,0,1,1,0,1,1,1,0,1,0,0],
    'ν': [0,0,0,1,0,1,0,1,1,0,1,0],
    'ξ': [0,1,1,1,0,0,0,1,0,1,0,0,0,1,0],
    'ο': [0,0,0,0,1,0,1,0,1,0,1,0],
    'π': [0,0,0,1,1,1,1,0,1,1,0,1],
    'ρ': [0,0,0,0,1,0,1,0,1,1,1,0,1,0,0],
    'ς': [0,0,0,0,1,1,1,0,0,0,1,1,0,0,1],
    'σ': [0,0,0,0,1,1,1,0,1,0,1,0],
    'τ': [0,0,0,1,1,1,0,1,0,0,0,1],
    'υ': [0,0,0,1,0,1,1,0,1,1,1,0],
    'φ': [0,1,0,0,1,0,1,0,1,1,1,1,0,1,0],
    'χ': [1,0,0,0,1,1,0,1,0,1,0,1],
    'ψ': [0,1,0,0,1,0,1,1,1,1,1,1,0,1,0],
    'ω': [0,0,0,1,0,1,1,1,1,1,1,0],
    '⁰': [1,1,0,1,1,0,1,1,0],
    '¹': [0,1,0,0,1,0,0,1,0],
    '²': [1,0,0,0,1,0,1,1,0],
    '³': [1,1,0,0,1,0,1,1,0],
    '⁴': [1,0,0,1,1,0,0,1,0],
    '⁵': [1,1,0,1,0,0,0,1,0],
    '⁶': [1,0,0,1,1,0,1,1,0],
    '⁷': [1,1,0,0,1,0,0,1,0],
    '⁸': [1,1,0,0,0,0,1,1,0],
    '⁹': [1,1,0,1,1,0,0,1,0],
    '₀': [0,0,0,1,1,0,1,1,0,1,1,0],
    '₁': [0,0,0,0,1,0,0,1,0,0,1,0],
    '₂': [0,0,0,1,0,0,0,1,0,1,1,0],
    '₃': [0,0,0,1,1,0,0,1,0,1,1,0],
    '₄': [0,0,0,1,0,0,1,1,0,0,1,0],
    '₅': [0,0,0,1,1,0,1,0,0,0,1,0],
    '₆': [0,0,0,1,0,0,1,1,0,1,1,0],
    '₇': [0,0,0,1,1,0,0,1,0,0,1,0],
    '₈': [0,0,0,1,1,0,0,0,0,1,1,0],
    '₉': [0,0,0,1,1,0,1,1,0,0,1,0],
    '#': [0,1,0,1,1,1,0,1,0,1,1,1,0,1,0],
    }

def array_to_polygons(bits, cols=3, size=100):
    boxes = []
    for idx, bit in enumerate(bits):
        if bit == 1:
            x = (idx % cols) * size
            y = (idx // cols) * size
            boxes.append(box(x, -y, x + size, -y - size))
    return translate(unary_union(boxes, 0.5), xoff=0, yoff=400)

def create_glyph(font, char, bits):
    glyph = font.createChar(ord(char))
    draw_shape(glyph.glyphPen(), array_to_polygons(bits))
    glyph.width = 400
    glyph.vwidth = 400

def draw_shape(pen, shape):
    contour = fontforge.contour()
    if isinstance(shape, MultiPolygon):
        for polygon in shape.geoms:
            draw_polygon(pen, polygon)
    elif isinstance(shape, Polygon):
        draw_polygon(pen, shape)
    contour.draw(pen)
    pen = None

def draw_polygon(pen, polygon):
    points = list(polygon.exterior.coords)
    draw_line(pen, points)
    for interior in polygon.interiors:
        points = list(interior.coords)
        draw_line(pen, points)

def draw_line(pen, points):
    pen.moveTo(points[0])
    for point in points[1:]:
        pen.lineTo(point)
    pen.closePath()

font = fontforge.font()
font.familyname = "MiniGent"
font.fontname = "MiniGent-Regular"
font.fullname = "MiniGent Regular"

for char, bits in glyph_data.items():
    create_glyph(font, char, bits)

font.generate('MiniGent-Regular.ttf')