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86 lines
2.5 KiB
Python
Executable file
86 lines
2.5 KiB
Python
Executable file
#!/usr/bin/env python
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import sys
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import argparse
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from PIL import Image
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class FontEncoder:
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def __init__(self, filename):
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self.f = open(filename, "w")
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def write(self, value):
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self.f.write("0x%02x," % value)
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#
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# def write_size(self, width, height):
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# self.f.write("%d,%d,\n" % (width, height))
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def encode(self, image, step):
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image = image.convert(mode='L')
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width, height = image.size
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for y in range(0, height, step):
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for x in range(width):
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for l in range(0, step, 8):
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value = 0
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for z in range(min(8, step)):
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# print(y + l + z)
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if image.getpixel((x, y + l + z)) == 0:
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value += 1 << z
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if step < 8 and value == 0x7f:
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value = 0xff
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self.write(value)
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# self.f.write("\n")
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def encode_special(self, image, step):
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image = image.convert(mode='L')
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width, height = image.size
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for y in range(0, height, step):
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for x in range(width):
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skip = True
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for l in range(0, step, 8):
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value = 0
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for z in range(min(8, step)):
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if l + z < 12:
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if image.getpixel((x, y + l + z)) == 0:
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value += 1 << z
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else:
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skip = False
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if skip and l == 8:
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value = 0xff
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self.write(value)
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def main():
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parser = argparse.ArgumentParser(description='Fonts encoder')
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parser.add_argument('input', action="store", help="Input file name")
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parser.add_argument('output', action="store", help="Output file name")
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args = parser.parse_args()
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image = Image.open(args.input)
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output = args.output
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for s in ("03x05", "04x06", "05x07", "08x10", "10x14", "22x38"):
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if s in args.input:
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size = s
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break
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encoder = FontEncoder(output)
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if size == "03x05":
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encoder.encode(image, 5)
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elif size == "04x06":
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encoder.encode(image, 7)
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elif size == "05x07":
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encoder.encode(image, 8)
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elif size == "08x10":
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encoder.encode_special(image, 12)
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elif size == "10x14":
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encoder.encode(image, 16)
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elif size == "22x38":
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encoder.encode(image, 40)
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else:
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print("Unknown size", sys.argv[4])
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if __name__ == "__main__":
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main()
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