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font.py
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# pico_project/font.py - Basic 8x8 Bitmap Font
# Each character is represented by 8 bytes (8 rows of 8 pixels).
# A '1' bit means foreground color, '0' means background color.
FONT_8X8 = {
# ASCII: 32 (Space)
ord(' '): [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
# ASCII: 33 (!)
ord('!'): [0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00],
# ASCII: 34 (")
ord('"'): [0x6C, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
# ASCII: 35 (#)
ord('#'): [0x6C, 0x6C, 0xFE, 0x6C, 0xFE, 0x6C, 0x6C, 0x00],
# ASCII: 36 ($)
ord('$'): [0x18, 0x3E, 0x60, 0x3C, 0x06, 0x7C, 0x18, 0x00],
# ASCII: 37 (%)
ord('%'): [0x00, 0xC6, 0xCC, 0x18, 0x30, 0x66, 0xC6, 0x00],
# ASCII: 38 (&)
ord('&'): [0x38, 0x6C, 0x38, 0x76, 0xDC, 0xCC, 0x76, 0x00],
# ASCII: 39 (')
ord("'"): [0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00],
# ASCII: 40 (()
ord('('): [0x0C, 0x18, 0x30, 0x30, 0x30, 0x18, 0x0C, 0x00],
# ASCII: 41 ())
ord(')'): [0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x18, 0x30, 0x00],
# ASCII: 42 (*)
ord('*'): [0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00],
# ASCII: 43 (+)
ord('+'): [0x00, 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00],
# ASCII: 44 (,)
ord(','): [0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30],
# ASCII: 45 (-)
ord('-'): [0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00],
# ASCII: 46 (.)
ord('.'): [0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00],
# ASCII: 47 (/)
ord('/'): [0x06, 0x0C, 0x18, 0x30, 0x60, 0xC0, 0x80, 0x00],
# ASCII: 48 ('0')
ord('0'): [0x7C, 0xC6, 0xCE, 0xDE, 0xF6, 0xE6, 0x7C, 0x00],
# ASCII: 49 ('1')
ord('1'): [0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x7E, 0x00],
# ASCII: 50 ('2')
ord('2'): [0x7C, 0xC6, 0x06, 0x1C, 0x30, 0x60, 0xFE, 0x00],
# ASCII: 51 ('3')
ord('3'): [0x7C, 0xC6, 0x06, 0x3C, 0x06, 0xC6, 0x7C, 0x00],
# ASCII: 52 ('4')
ord('4'): [0x1C, 0x3C, 0x6C, 0xCC, 0xFE, 0x0C, 0x1E, 0x00],
# ASCII: 53 ('5')
ord('5'): [0xFE, 0xC0, 0xC0, 0xFC, 0x06, 0xC6, 0x7C, 0x00],
# ASCII: 54 ('6')
ord('6'): [0x38, 0x60, 0xC0, 0xFC, 0xC6, 0xC6, 0x7C, 0x00],
# ASCII: 55 ('7')
ord('7'): [0xFE, 0xC6, 0x0C, 0x18, 0x30, 0x30, 0x30, 0x00],
# ASCII: 56 ('8')
ord('8'): [0x7C, 0xC6, 0xC6, 0x7C, 0xC6, 0xC6, 0x7C, 0x00],
# ASCII: 57 ('9')
ord('9'): [0x7C, 0xC6, 0xC6, 0x7E, 0x06, 0x0C, 0x78, 0x00],
# ASCII: 58 (:)
ord(':'): [0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00],
# ASCII: 59 (;)
ord(';'): [0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30],
# ASCII: 60 (<)
ord('<'): [0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00],
# ASCII: 61 (=)
ord('='): [0x00, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00, 0x00],
# ASCII: 62 ('>')
ord('>'): [0x60, 0x30, 0x18, 0x0C, 0x18, 0x30, 0x60, 0x00],
# ASCII: 63 (?)
ord('?'): [0x7C, 0xC6, 0x0C, 0x18, 0x18, 0x00, 0x18, 0x00],
# ASCII: 64 (@)
ord('@'): [0x7C, 0xC6, 0xDE, 0xDE, 0xDE, 0xC0, 0x78, 0x00],
# ASCII: 65 ('A')
ord('A'): [0x38, 0x6C, 0xC6, 0xFE, 0xC6, 0xC6, 0xC6, 0x00],
# ASCII: 66 ('B')
ord('B'): [0xFC, 0x66, 0x66, 0x7C, 0x66, 0x66, 0xFC, 0x00],
# ASCII: 67 ('C')
ord('C'): [0x3C, 0x66, 0xC0, 0xC0, 0xC0, 0x66, 0x3C, 0x00],
# ASCII: 68 ('D')
ord('D'): [0xF8, 0x6C, 0x66, 0x66, 0x66, 0x6C, 0xF8, 0x00],
# ASCII: 69 ('E')
ord('E'): [0xFE, 0x62, 0x68, 0x78, 0x68, 0x62, 0xFE, 0x00],
# ASCII: 70 ('F')
ord('F'): [0xFE, 0x62, 0x68, 0x78, 0x68, 0x60, 0xF0, 0x00],
# ASCII: 71 ('G')
ord('G'): [0x3C, 0x66, 0xC0, 0xC0, 0xCE, 0x66, 0x3E, 0x00],
# ASCII: 72 ('H')
ord('H'): [0xC6, 0xC6, 0xC6, 0xFE, 0xC6, 0xC6, 0xC6, 0x00],
# ASCII: 73 ('I')
ord('I'): [0x3C, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00],
# ASCII: 74 ('J')
ord('J'): [0x1E, 0x0C, 0x0C, 0x0C, 0xCC, 0xCC, 0x78, 0x00],
# ASCII: 75 ('K')
ord('K'): [0xE6, 0x66, 0x6C, 0x78, 0x6C, 0x66, 0xE6, 0x00],
# ASCII: 76 ('L')
ord('L'): [0xF0, 0x60, 0x60, 0x60, 0x62, 0x66, 0xFE, 0x00],
# ASCII: 77 ('M')
ord('M'): [0xC6, 0xEE, 0xFE, 0xFE, 0xD6, 0xC6, 0xC6, 0x00],
# ASCII: 78 ('N')
ord('N'): [0xC6, 0xE6, 0xF6, 0xDE, 0xCE, 0xC6, 0xC6, 0x00],
# ASCII: 79 ('O')
ord('O'): [0x7C, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00],
# ASCII: 80 ('P')
ord('P'): [0xFC, 0x66, 0x66, 0x7C, 0x60, 0x60, 0xF0, 0x00],
# ASCII: 81 ('Q')
ord('Q'): [0x7C, 0xC6, 0xC6, 0xC6, 0xD6, 0xDE, 0x7C, 0x0C],
# ASCII: 82 ('R')
ord('R'): [0xFC, 0x66, 0x66, 0x7C, 0x6C, 0x66, 0xE6, 0x00],
# ASCII: 83 ('S')
ord('S'): [0x7C, 0xC6, 0x60, 0x38, 0x0C, 0xC6, 0x7C, 0x00],
# ASCII: 84 ('T')
ord('T'): [0x7E, 0x5A, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00],
# ASCII: 85 ('U')
ord('U'): [0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0xC6, 0x7C, 0x00],
# ASCII: 86 ('V')
ord('V'): [0xC6, 0xC6, 0xC6, 0xC6, 0x6C, 0x38, 0x10, 0x00],
# ASCII: 87 ('W')
ord('W'): [0xC6, 0xC6, 0xC6, 0xD6, 0xFE, 0xEE, 0xC6, 0x00],
# ASCII: 88 ('X')
ord('X'): [0xC6, 0xC6, 0x6C, 0x38, 0x6C, 0xC6, 0xC6, 0x00],
# ASCII: 89 ('Y')
ord('Y'): [0x66, 0x66, 0x66, 0x3C, 0x18, 0x18, 0x3C, 0x00],
# ASCII: 90 ('Z')
ord('Z'): [0xFE, 0xC6, 0x8C, 0x18, 0x32, 0x66, 0xFE, 0x00],
# ASCII: 91 ([)
ord('['): [0x3C, 0x30, 0x30, 0x30, 0x30, 0x30, 0x3C, 0x00],
# ASCII: 92 (\)
ord('\\'): [0xC0, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x02, 0x00],
# ASCII: 93 (])
ord(']'): [0x3C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x3C, 0x00],
# ASCII: 94 (^)
ord('^'): [0x10, 0x38, 0x6C, 0xC6, 0x00, 0x00, 0x00, 0x00],
# ASCII: 95 (_)
ord('_'): [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF],
# ASCII: 96 (`)
ord('`'): [0x30, 0x18, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00],
# ASCII: 97 (a)
ord('a'): [0x00, 0x00, 0x78, 0x0C, 0x7C, 0xCC, 0x76, 0x00],
# ASCII: 98 (b)
ord('b'): [0xE0, 0x60, 0x60, 0x7C, 0x66, 0x66, 0xDC, 0x00],
# ASCII: 99 (c)
ord('c'): [0x00, 0x00, 0x78, 0xCC, 0xC0, 0xCC, 0x78, 0x00],
# ASCII: 100 (d)
ord('d'): [0x1C, 0x0C, 0x0C, 0x7C, 0xCC, 0xCC, 0x76, 0x00],
# ASCII: 101 (e)
ord('e'): [0x00, 0x00, 0x78, 0xCC, 0xFC, 0xC0, 0x78, 0x00],
# ASCII: 102 (f)
ord('f'): [0x38, 0x6C, 0x60, 0xF0, 0x60, 0x60, 0xF0, 0x00],
# ASCII: 103 (g)
ord('g'): [0x00, 0x00, 0x76, 0xCC, 0xCC, 0x7C, 0x0C, 0xF8],
# ASCII: 104 (h)
ord('h'): [0xE0, 0x60, 0x6C, 0x76, 0x66, 0x66, 0xE6, 0x00],
# ASCII: 105 (i)
ord('i'): [0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x3C, 0x00],
# ASCII: 106 (j)
ord('j'): [0x06, 0x00, 0x06, 0x06, 0x06, 0x66, 0x66, 0x3C],
# ASCII: 107 (k)
ord('k'): [0xE0, 0x60, 0x66, 0x6C, 0x78, 0x6C, 0xE6, 0x00],
# ASCII: 108 (l)
ord('l'): [0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3C, 0x00],
# ASCII: 109 (m)
ord('m'): [0x00, 0x00, 0xEC, 0xFE, 0xD6, 0xD6, 0xC6, 0x00],
# ASCII: 110 (n)
ord('n'): [0x00, 0x00, 0xDC, 0x66, 0x66, 0x66, 0x66, 0x00],
# ASCII: 111 (o)
ord('o'): [0x00, 0x00, 0x78, 0xCC, 0xCC, 0xCC, 0x78, 0x00],
# ASCII: 112 (p)
ord('p'): [0x00, 0x00, 0xDC, 0x66, 0x66, 0x7C, 0x60, 0xF0],
# ASCII: 113 (q)
ord('q'): [0x00, 0x00, 0x76, 0xCC, 0xCC, 0x7C, 0x0C, 0x1E],
# ASCII: 114 (r)
ord('r'): [0x00, 0x00, 0xDC, 0x76, 0x66, 0x60, 0xF0, 0x00],
# ASCII: 115 (s)
ord('s'): [0x00, 0x00, 0x7C, 0xC0, 0x78, 0x0C, 0xF8, 0x00],
# ASCII: 116 (t)
ord('t'): [0x10, 0x30, 0x7C, 0x30, 0x30, 0x34, 0x18, 0x00],
# ASCII: 117 (u)
ord('u'): [0x00, 0x00, 0xCC, 0xCC, 0xCC, 0xCC, 0x76, 0x00],
# ASCII: 118 (v)
ord('v'): [0x00, 0x00, 0xCC, 0xCC, 0xCC, 0x78, 0x30, 0x00],
# ASCII: 119 (w)
ord('w'): [0x00, 0x00, 0xC6, 0xD6, 0xD6, 0xFE, 0x6C, 0x00],
# ASCII: 120 (x)
ord('x'): [0x00, 0x00, 0xC6, 0x6C, 0x38, 0x6C, 0xC6, 0x00],
# ASCII: 121 (y)
ord('y'): [0x00, 0x00, 0xCC, 0xCC, 0xCC, 0x7C, 0x0C, 0xF8],
# ASCII: 122 (z)
ord('z'): [0x00, 0x00, 0xFC, 0x98, 0x30, 0x64, 0xFC, 0x00],
# ASCII: 123 ({)
ord('{'): [0x1C, 0x30, 0x30, 0xE0, 0x30, 0x30, 0x1C, 0x00],
# ASCII: 124 (|)
ord('|'): [0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00],
# ASCII: 125 (})
ord('}'): [0xE0, 0x30, 0x30, 0x1C, 0x30, 0x30, 0xE0, 0x00],
# ASCII: 126 (~)
ord('~'): [0x76, 0xDC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00],
# Default character for missing glyphs
0xFF: [0xFF, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0xFF],
}
FONT_WIDTH = 8
FONT_HEIGHT = 8
def get_char_bytes(char):
"""Get the 8-byte bitmap for a character, or a default if not found."""
return FONT_8X8.get(ord(char), FONT_8X8[0xFF])