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38 lines
1.2 KiB
Cython
38 lines
1.2 KiB
Cython
# Created By: Virgil Dupras
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# Created On: 2009-04-23
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# $Id$
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# Copyright 2009 Hardcoded Software (http://www.hardcoded.net)
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#
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# This software is licensed under the "HS" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.hardcoded.net/licenses/hs_license
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# ok, this is hacky and stuff, but I don't know C well enough to play with char buffers, copy
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# them around and stuff
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cdef int xchar_to_int(char c):
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if 48 <= c <= 57: # 0-9
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return c - 48
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elif 65 <= c <= 70: # A-F
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return c - 55
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elif 97 <= c <= 102: # a-f
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return c - 87
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def string_to_colors(s):
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"""Transform the string 's' in a list of 3 sized tuples.
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"""
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result = []
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cdef int i, char_count, r, g, b
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cdef char* cs
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char_count = len(s)
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char_count = (char_count // 6) * 6
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cs = s
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for i in range(0, char_count, 6):
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r = xchar_to_int(cs[i]) << 4
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r += xchar_to_int(cs[i+1])
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g = xchar_to_int(cs[i+2]) << 4
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g += xchar_to_int(cs[i+3])
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b = xchar_to_int(cs[i+4]) << 4
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b += xchar_to_int(cs[i+5])
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result.append((r, g, b))
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return result
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