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- # Generate a 'HZK' font file for the T5UIC1 DWIN LCD
- # from multiple bdf font files.
- # Note: the 16x16 glyphs are not produced
- # Author: Taylor Talkington
- # License: GPL
-
- import bdflib.reader
- import math
-
- def glyph_bits(size_x, size_y, font, glyph_ord):
- asc = font[b'FONT_ASCENT']
- desc = font[b'FONT_DESCENT']
- bits = [0 for y in range(size_y)]
-
- glyph_bytes = math.ceil(size_x / 8)
- try:
- glyph = font[glyph_ord]
- for y, row in enumerate(glyph.data):
- v = row
- rpad = size_x - glyph.bbW
- if rpad < 0: rpad = 0
- if glyph.bbW > size_x: v = v >> (glyph.bbW - size_x) # some glyphs are actually too wide to fit!
- v = v << (glyph_bytes * 8) - size_x + rpad
- v = v >> glyph.bbX
- bits[y + desc + glyph.bbY] |= v
- except KeyError:
- pass
-
- bits.reverse()
- return bits
-
- def marlin_font_hzk():
- fonts = [
- [6,12,'marlin-6x12-3.bdf'],
- [8,16,'marlin-8x16.bdf'],
- [10,20,'marlin-10x20.bdf'],
- [12,24,'marlin-12x24.bdf'],
- [14,28,'marlin-14x28.bdf'],
- [16,32,'marlin-16x32.bdf'],
- [20,40,'marlin-20x40.bdf'],
- [24,48,'marlin-24x48.bdf'],
- [28,56,'marlin-28x56.bdf'],
- [32,64,'marlin-32x64.bdf']
- ]
-
- with open('marlin_fixed.hzk','wb') as output:
- for f in fonts:
- with open(f[2], 'rb') as file:
- print(f'{f[0]}x{f[1]}')
- font = bdflib.reader.read_bdf(file)
- for glyph in range(128):
- bits = glyph_bits(f[0], f[1], font, glyph)
- glyph_bytes = math.ceil(f[0]/8)
-
- for b in bits:
- try:
- z = b.to_bytes(glyph_bytes, 'big')
- output.write(z)
- except OverflowError:
- print('Overflow')
- print(f'{glyph}')
- print(font[glyph])
- for b in bits: print(f'{b:0{f[0]}b}')
- return
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