cross-stitch

interactively turn images into patterns for cross stitching
git clone git://src.adamsgaard.dk/cross-stitch # fast
git clone https://src.adamsgaard.dk/cross-stitch.git # slow
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convert-hex-to-rgb.py (587B)

      1 #!/usr/bin/env python
      2 import numpy
      3 
      4 _NUMERALS = '0123456789abcdefABCDEF'
      5 _HEXDEC = {v: int(v, 16) for v in (x+y for x in _NUMERALS for y in
      6     _NUMERALS)}
      7 LOWERCASE, UPPERCASE = 'x', 'X'
      8 
      9 def rgb(triplet):
     10         return (_HEXDEC[triplet[0:2]], _HEXDEC[triplet[2:4]],
     11                 _HEXDEC[triplet[4:6]])
     12 
     13 #hexlist = numpy.loadtxt('./256-color.dat')
     14 rgblist = numpy.empty((256,3))
     15 fin = open('./256-color.dat')
     16 i = 0
     17 for line in fin:
     18     #print line,
     19     rgbval = rgb(line)
     20     #print rgbval
     21     rgblist[i,:] = rgbval
     22     i += 1
     23 
     24 numpy.savetxt('256-color-rgb.dat', rgblist, fmt='%d')