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91 lines (88 loc) · 3.78 KB
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"""
Embedded 5×7 bitmap font.
Each glyph is a tuple of 7 bytes; bit 4 = leftmost pixel, bit 0 = rightmost.
"""
GLYPHS = {
'A': (0x0E, 0x11, 0x11, 0x1F, 0x11, 0x11, 0x11),
'B': (0x1E, 0x11, 0x11, 0x1E, 0x11, 0x11, 0x1E),
'C': (0x0E, 0x11, 0x10, 0x10, 0x10, 0x11, 0x0E),
'D': (0x1E, 0x11, 0x11, 0x11, 0x11, 0x11, 0x1E),
'E': (0x1F, 0x10, 0x10, 0x1E, 0x10, 0x10, 0x1F),
'F': (0x1F, 0x10, 0x10, 0x1E, 0x10, 0x10, 0x10),
'G': (0x0E, 0x11, 0x10, 0x17, 0x11, 0x11, 0x0E),
'H': (0x11, 0x11, 0x11, 0x1F, 0x11, 0x11, 0x11),
'I': (0x0E, 0x04, 0x04, 0x04, 0x04, 0x04, 0x0E),
'J': (0x07, 0x02, 0x02, 0x02, 0x02, 0x12, 0x0C),
'K': (0x11, 0x12, 0x14, 0x18, 0x14, 0x12, 0x11),
'L': (0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x1F),
'M': (0x11, 0x1B, 0x15, 0x15, 0x11, 0x11, 0x11),
'N': (0x11, 0x19, 0x15, 0x13, 0x11, 0x11, 0x11),
'O': (0x0E, 0x11, 0x11, 0x11, 0x11, 0x11, 0x0E),
'P': (0x1E, 0x11, 0x11, 0x1E, 0x10, 0x10, 0x10),
'Q': (0x0E, 0x11, 0x11, 0x11, 0x15, 0x12, 0x0D),
'R': (0x1E, 0x11, 0x11, 0x1E, 0x14, 0x12, 0x11),
'S': (0x0E, 0x11, 0x10, 0x0E, 0x01, 0x11, 0x0E),
'T': (0x1F, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04),
'U': (0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x0E),
'V': (0x11, 0x11, 0x11, 0x11, 0x0A, 0x0A, 0x04),
'W': (0x11, 0x11, 0x11, 0x15, 0x15, 0x1B, 0x11),
'X': (0x11, 0x11, 0x0A, 0x04, 0x0A, 0x11, 0x11),
'Y': (0x11, 0x11, 0x0A, 0x04, 0x04, 0x04, 0x04),
'Z': (0x1F, 0x01, 0x02, 0x04, 0x08, 0x10, 0x1F),
'0': (0x0E, 0x11, 0x13, 0x15, 0x19, 0x11, 0x0E),
'1': (0x04, 0x0C, 0x04, 0x04, 0x04, 0x04, 0x0E),
'2': (0x0E, 0x11, 0x01, 0x06, 0x08, 0x10, 0x1F),
'3': (0x0E, 0x11, 0x01, 0x06, 0x01, 0x11, 0x0E),
'4': (0x02, 0x06, 0x0A, 0x12, 0x1F, 0x02, 0x02),
'5': (0x1F, 0x10, 0x1E, 0x01, 0x01, 0x11, 0x0E),
'6': (0x06, 0x08, 0x10, 0x1E, 0x11, 0x11, 0x0E),
'7': (0x1F, 0x01, 0x02, 0x04, 0x08, 0x08, 0x08),
'8': (0x0E, 0x11, 0x11, 0x0E, 0x11, 0x11, 0x0E),
'9': (0x0E, 0x11, 0x11, 0x0F, 0x01, 0x02, 0x0C),
' ': (0, 0, 0, 0, 0, 0, 0),
'.': (0, 0, 0, 0, 0, 0x0C, 0x0C),
',': (0, 0, 0, 0, 4, 4, 8),
'!': (4, 4, 4, 4, 4, 0, 4),
'?': (0x0E, 0x11, 1, 2, 4, 0, 4),
'-': (0, 0, 0, 0x1F, 0, 0, 0),
'_': (0, 0, 0, 0, 0, 0, 0x1F),
'+': (0, 4, 4, 0x1F, 4, 4, 0),
'=': (0, 0, 0x1F, 0, 0x1F, 0, 0),
'@': (0x0E, 0x11, 0x17, 0x15, 0x17, 0x10, 0x0E),
'#': (0x0A, 0x0A, 0x1F, 0x0A, 0x1F, 0x0A, 0x0A),
'$': (4, 0x0F, 0x14, 0x0E, 5, 0x1E, 4),
'%': (0x18, 0x19, 2, 4, 8, 0x13, 3),
'&': (8, 0x14, 0x14, 8, 0x15, 0x12, 0x0D),
'*': (0, 4, 0x15, 0x0E, 0x15, 4, 0),
'(': (2, 4, 8, 8, 8, 4, 2),
')': (8, 4, 2, 2, 2, 4, 8),
'[': (0x0E, 8, 8, 8, 8, 8, 0x0E),
']': (0x0E, 2, 2, 2, 2, 2, 0x0E),
'{': (6, 8, 8, 0x10, 8, 8, 6),
'}': (0x0C, 2, 2, 1, 2, 2, 0x0C),
'/': (1, 1, 2, 4, 8, 0x10, 0x10),
'\\': (0x10, 0x10, 8, 4, 2, 1, 1),
'|': (4, 4, 4, 4, 4, 4, 4),
':': (0, 0x0C, 0x0C, 0, 0x0C, 0x0C, 0),
';': (0, 0x0C, 0x0C, 0, 4, 4, 8),
"'": (4, 4, 8, 0, 0, 0, 0),
'"': (0x0A, 0x0A, 0x14, 0, 0, 0, 0),
'`': (8, 4, 2, 0, 0, 0, 0),
'~': (0, 0, 8, 0x15, 2, 0, 0),
'<': (2, 4, 8, 0x10, 8, 4, 2),
'>': (8, 4, 2, 1, 2, 4, 8),
'^': (4, 0x0A, 0x11, 0, 0, 0, 0),
# Special icons
'\u2190': (0, 4, 8, 0x1F, 8, 4, 0), # ← left arrow
'\u2192': (0, 4, 2, 0x1F, 2, 4, 0), # → right arrow
'\u2191': (4, 0x0E, 0x15, 4, 4, 4, 0), # ↑ up arrow
'\u2193': (0, 4, 4, 4, 0x15, 0x0E, 4), # ↓ down arrow
'\u232B': (0, 0x11, 0x0A, 0x04, 0x0A, 0x11, 0), # ⌫ backspace
'\u21E7': (4, 0x0E, 0x15, 4, 4, 0x1F, 0), # ⇧ shift arrow
}
def glyph_for(ch):
"""Look up glyph data. Tries uppercase fallback for letters."""
g = GLYPHS.get(ch)
if g is None:
g = GLYPHS.get(ch.upper())
return g