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52 lines
1.8 KiB
52 lines
1.8 KiB
#!/usr/bin/env python3 |
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# MIT License |
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# |
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# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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''' |
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bits utf-8 diff with utf8 bits |
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0 4 0,1,2 -> 0x00->0x07 ch012 |
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1 5 4,5,6 -> 0x00->0x07 << 3 ch456>>1 |
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2 6 |
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3 7 |
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| \---> 7 -> 0x80 ch7 |
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\-----> 3 -> 0x40 ch3<<3 |
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''' |
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def ch2braille(ch): |
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ch012 = ch & 0x07 |
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ch456 = ch & 0x70 |
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ch3 = ch & 0x08 |
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ch7 = ch & 0x80 |
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return 0x2800 | ch012 | (ch456>>1) | (ch3<<3) | ch7 |
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codes = [ chr(ch2braille(ch)) for ch in range(0,0x100)] |
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print("braille=(") |
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for a in range(0x10): |
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for b in range(0x10): |
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val = a | (b<<4) |
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print(f"'{codes[val]}',",end='') |
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print() |
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print(")") |
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