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