mirror of
https://github.com/pevans/erc-c.git
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6db322ae5c
This commit also adds the first such output, which is the apple II system font.
163 lines
3.7 KiB
Python
Executable File
163 lines
3.7 KiB
Python
Executable File
#!/usr/bin/env python2
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import os
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from PIL import Image
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glyphmap = {
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"ampersand": "&",
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"apostrophe": "'",
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"asterisk": "*",
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"at": "@",
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"backslash": "\\",
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"bar": "|",
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"blank": " ",
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"caret": "^",
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"colon": ":",
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"comma": ",",
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"dollar": "$",
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"emark": "!",
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"equal": "=",
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"grave": "`",
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"hyphen": "-",
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"langle": "<",
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"lbrace": "{",
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"lbracket": "[",
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"lparen": "(",
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"percent": "%",
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"perfcurs": 10,
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"period": ".",
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"plus": "+",
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"pound": "#",
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"qmark": "?",
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"quote": '"',
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"rangle": ">",
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"rbrace": "}",
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"rbracket": "]",
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"rparen": ")",
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"semicolon": ";",
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"slash": "/",
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"tilde": "~",
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"underscore": "_",
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"0": "0",
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"1": "1",
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"2": "2",
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"3": "3",
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"4": "4",
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"5": "5",
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"6": "6",
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"7": "7",
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"8": "8",
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"9": "9",
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"al": "a",
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"bl": "b",
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"cl": "c",
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"dl": "d",
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"el": "e",
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"fl": "f",
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"gl": "g",
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"hl": "h",
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"il": "i",
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"jl": "j",
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"kl": "k",
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"ll": "l",
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"ml": "m",
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"nl": "n",
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"ol": "o",
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"pl": "p",
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"ql": "q",
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"rl": "r",
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"sl": "s",
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"tl": "t",
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"ul": "u",
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"vl": "v",
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"wl": "w",
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"xl": "x",
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"yl": "y",
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"zl": "z",
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"au": "A",
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"bu": "B",
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"cu": "C",
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"du": "D",
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"eu": "E",
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"fu": "F",
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"gu": "G",
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"hu": "H",
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"iu": "I",
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"ju": "J",
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"ku": "K",
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"lu": "L",
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"mu": "M",
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"nu": "N",
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"ou": "O",
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"pu": "P",
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"qu": "Q",
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"ru": "R",
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"su": "S",
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"tu": "T",
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"uu": "U",
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"vu": "V",
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"wu": "W",
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"xu": "X",
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"yu": "Y",
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"zu": "Z",
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}
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# recurse through fonts/machines
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# each subdir from there is the designation
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def build_font(name, path, gridfiles):
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img = Image.new("RGB", (112, 64))
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pix = img.load()
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for gridfile in gridfiles:
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with open(os.path.join(path, gridfile)) as openf:
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glyphname = gridfile.split('.')[0]
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glyphchar = name_to_char(glyphname)
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render(glyph_coords(glyphchar), glyphchar, openf.read(), pix)
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img.save('./fonts/' + name + '.png')
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def name_to_char(name):
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if not glyphmap[name]:
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raise Exception('unknown glyph')
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return glyphmap[name]
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# Return the row and column that a character should be saved in our bitmap
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# font.
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def glyph_coords(ch):
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if type(ch) == int:
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code = ch
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else:
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code = ord(ch)
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row = (code & 0xf0) >> 4
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col = code & 0x0f
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return (row, col)
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def render_row(offset, row, line, pix):
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row_offset, col_offset = offset
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row_offset = row_offset * 8
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col_offset = col_offset * 7
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col = 0
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for c in line[1:]:
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if c == 'o':
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pix[col_offset + col, row_offset + row] = (255, 255, 255)
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col = col + 1
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def render(offset, ch, grid, pix):
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row, col = glyph_coords(ch)
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lines = grid.split("\n")
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render_row(offset, 0, lines[1], pix)
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render_row(offset, 1, lines[2], pix)
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render_row(offset, 2, lines[3], pix)
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render_row(offset, 3, lines[4], pix)
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render_row(offset, 4, lines[5], pix)
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render_row(offset, 5, lines[6], pix)
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render_row(offset, 6, lines[7], pix)
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render_row(offset, 7, lines[8], pix)
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for root, subdirs, subfiles in os.walk('./fonts'):
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if subdirs == []:
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fontname = root.replace('./fonts/', '')
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fontname = fontname.replace('/', '-')
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build_font(fontname, root, subfiles)
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