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ttf2png (convert ttf font files to png images)
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#!/usr/bin/python | |
# -*- coding: utf-8 -*- | |
# Copyright (c) 2019 Tamflex | |
# Released under the MIT license | |
# https://opensource.org/licenses/mit-license.php | |
# reference: | |
# http://stackoverflow.com/questions/4458696/finding-out-what-characters-a-font-supports | |
import os | |
import re | |
import sys | |
import PIL | |
from PIL import Image | |
from PIL import ImageFont | |
from PIL import ImageDraw | |
from itertools import chain | |
from fontTools.ttLib import TTFont | |
from fontTools.unicode import Unicode | |
def load_font(path): | |
ttf = TTFont( | |
path, 0, verbose=0, allowVID=0, | |
ignoreDecompileErrors=True, fontNumber=-1) | |
chars = chain.from_iterable( | |
[y + (Unicode[y[0]], ) | |
for y in x.cmap.items()] for x in ttf['cmap'].tables) | |
chars = set(chars) | |
chars = sorted(chars, key=lambda c: int(c[0])) | |
# Use this for just checking if the font contains the codepoint given as | |
# second argument: | |
# char = int(sys.argv[2], 0) | |
# print(Unicode[char]) | |
# print(char in (x[0] for x in chars)) | |
ttf.close() | |
return chars | |
def convert_ttf(path, fontsize=60, w=96, h=96): | |
base = os.path.basename(path) | |
dirs = os.path.splitext(base)[0] | |
if not os.path.exists(dirs): | |
os.mkdir(dirs) | |
chars = load_font(path) | |
font = ImageFont.truetype(path, fontsize) | |
for c in chars: | |
if re.match('.notdef|nonmarkingreturn|.null', c[1]): | |
continue | |
img = Image.new('RGB', (w, h), (255, 255, 255)) | |
draw = ImageDraw.Draw(img) | |
(ws, hs) = font.getsize(chr(c[0])) | |
wb = (w - ws) * 0.5 | |
hb = (h - hs) * 0.5 | |
draw.text((wb, hb), chr(c[0]), (0, 0, 0), font=font) | |
draw = ImageDraw.Draw(img) | |
img.save('{}/{:d}.png'.format(dirs, c[0])) | |
if __name__ == '__main__': | |
# chars = load_font(sys.argv[1]) | |
# for c in chars: | |
# print(c[0],c[1],c[2]) | |
convert_ttf(sys.argv[1], 80) |
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#!/usr/bin/python | |
# -*- coding: utf-8 -*- | |
# Copyright (c) 2019 Tamflex | |
# Released under the MIT license | |
# https://opensource.org/licenses/mit-license.php | |
# reference: | |
# http://stackoverflow.com/questions/4458696/finding-out-what-characters-a-font-supports | |
import os | |
import re | |
import sys | |
import PIL | |
import numpy as np | |
from PIL import Image | |
from PIL import ImageFont | |
from PIL import ImageDraw | |
def erase_null(path): | |
fs = os.listdir(path) | |
nd = np.array(Image.open('{}/0.png'.format(path))) | |
for f in fs: | |
if f == '0.png': | |
continue | |
data = np.array(Image.open('{}/{}'.format(path, f))) | |
if np.array_equal(nd, data): | |
print '{}/{}'.format(path, f) | |
os.remove('{}/{}'.format(path, f)) | |
def erase_white(path): | |
fs = os.listdir(path) | |
for f in fs: | |
data = np.array(Image.open('{}/{}'.format(path, f))) | |
if data.sum() == data.size * 255: | |
print '{}/{}'.format(path, f) | |
os.remove('{}/{}'.format(path, f)) | |
if __name__ == '__main__': | |
erase_white(sys.argv[1]) | |
erase_null(sys.argv[1]) |
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