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#!/usr/bin/env python3
import PIL
import PIL.ImageDraw
import PIL.ImageFont
def invert(x):
ret = 0
for i in range(8):
if x & (0x80 >> i):
ret |= 0x01 << i
return ret
if __name__ == "__main__":
font = PIL.ImageFont.truetype(
"/usr/share/fonts/truetype/terminus/TerminusTTF-4.46.0.ttf", size=14
)
for char in range(0x20, 0x7F):
fontimg = PIL.Image.new("1", (16, 16))
draw = PIL.ImageDraw.Draw(fontimg)
draw.text((0, 0), chr(char), font=font, fill=255)
bbox = fontimg.getbbox()
if bbox is None:
print(
"glyph_line_t GLYPH_ATTR chr16_032[] = {0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; // <spac>"
)
continue
left, upper, right, lower = bbox
fontimg = fontimg.crop((left, 0, right, 15))
fontimg = fontimg.transpose(PIL.Image.ROTATE_270).transpose(PIL.Image.FLIP_LEFT_RIGHT)
fontbytes = fontimg.tobytes()
glyph_len = len(fontbytes)
glyph_data = "{" + f"0x{glyph_len:02x}," + ",".join(map(lambda x: f"0x{invert(x):02x}", fontbytes)) + "}"
assert glyph_len % 2 == 0
print(
f"glyph_line_t GLYPH_ATTR chr16_{char:03d}[] = {glyph_data}; // {chr(char)}"
)
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