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- #!/usr/bin/env python3
- import cv2
- import numpy as np
- HEADER = """\
- #ifndef _CHARSET_H
- #define _CHARSET_H
- #include <stdint.h>
- %s
- #endif // _CHARSET_H\
- """
- if __name__ == '__main__':
- im = cv2.imread('charset.png')[:, :, 0]
- rows = [ '{ %s }' % ', '.join([ '0b%s' % ''.join(map(str, x)) for x in ((im[i*7:(i+1)*7, j*5:(j+1)*5] == 0) * 1).T]) for i in range(16) for j in range(16) ]
- charset = 'const uint8_t PROGMEM CHARSET[256][5] = {\n %s\n};' % ',\n '.join(rows)
- print(HEADER % charset)
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