Created
July 22, 2019 10:13
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Print ttf fonts using braille / plottille canvas. `pip install plotille freetype-py` get font from https://fonts.google.com/specimen/Ubuntu+Mono . Inspired by https://mrandri19.github.io/2019/07/18/modern-text-rendering-linux-ep1.html
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| import math | |
| import sys | |
| import freetype | |
| import plotille | |
| def chunks(l, n): | |
| n = max(1, n) | |
| return (l[i:i+n] for i in range(0, len(l), n)) | |
| def init_face(): | |
| face = freetype.Face('./Ubuntu_Mono/UbuntuMono-Regular.ttf') | |
| face.set_char_size(64*64) | |
| return face | |
| def char_buffer(face, char): | |
| face.load_char(char) | |
| return list(chunks(face.glyph.bitmap.buffer, face.glyph.bitmap.width)) | |
| def print_buffers_canvas(buffers): | |
| assert len(buffers) > 0 | |
| height = max(len(b) for b in buffers) | |
| width = sum(len(b[0]) for b in buffers) + len(buffers) // 2 | |
| canvas = plotille.Canvas(math.ceil(width / 2), math.ceil(height / 8), xmax=width, ymax=height) | |
| for row_idx in range(height): | |
| col_idx = 0 | |
| for bm in buffers: | |
| diff = height - len(bm) | |
| curr_idx = row_idx - diff | |
| if curr_idx < 0: | |
| col_idx += len(bm[0]) | |
| else: | |
| row = bm[curr_idx] | |
| for val in row: | |
| if val > 0: | |
| canvas.point(col_idx, height - row_idx) | |
| col_idx += 1 | |
| col_idx += 1 | |
| print(canvas.plot()) | |
| face = init_face() | |
| for val in sys.argv[1:]: | |
| print_buffers_canvas([char_buffer(face, c) for c in val]) |
Author
tammoippen
commented
Jul 22, 2019
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