source code of /small-scripts/favicon.py

Last modified
Lines 44

Parent directory Download CGIread sitemap Main page

Quick links: main 

  1. #!/usr/bin/python
    3. 
    
  3. def main(in_name, out_name, is_text=1):
    4. 
    
  4.     def base16(n):
    5. 
    
  5.         return ''.join(['0123456789abcdef'[(n/16**i)%16] for i in range(5,-1,-1)])
    6. 
    
    7. 
    
  7.     fi = open(in_name)
    8. 
    
  8.     s = fi.read(3072)
    9. 
    
  9.     fi.close()
    10. 
    
    11. 
    
  11.     img = [[None for a in range(32)] for b in range(32)]
    12. 
    
  12.     for i in range(0,3072,3):
    13. 
    
  13.         img[i/96][(i/3)%32] = (ord(s[i])*2<<16 | ord(s[i+1])<<8 | ord(s[i+2])) << is_text
    14. 
    
  14.     
    15. 
    
  15.     colors = []
    16. 
    
  16.     for line in img:
    17. 
    
  17.         for pix in line:
    18. 
    
  18.             if pix not in colors:
    19. 
    
  19.                 colors.append(pix)
    20. 
    
    21. 
    
  21.     fo = open(out_name, 'w')
    22. 
    
    23. 
    
  23.     fo.write('''#define FAVICON_format 1
    24. 
    
  24. #define FAVICON_width 32
    25. 
    
  25. #define FAVICON_height 32
    26. 
    
  26. ''')
    27. 
    
  27.     fo.write('#define FAVICON_ncolors {}\n'.format(len(colors)))
    28. 
    
  28.     fo.write('''#define FAVICON_chars_per_pixel 6
    29. 
    
  29. static char *FAVICON_colors[] = {
    30. 
    
  30. ''')
    31. 
    
    32. 
    
  32.     for col in colors[:-1]:
    33. 
    
  33.         fo.write('"{0}", "#{0}",\n'.format(base16(col)))
    34. 
    
  34.     fo.write('"{0}", "#{0}"\n'.format(base16(colors[-1])))
    35. 
    
  35.     fo.write('''};
    36. 
    
  36. static char *FAVICON_pixels[] = {
    37. 
    
  37. ''')
    38. 
    
    39. 
    
  39.     for line in img[:-1]:
    40. 
    
  40.         fo.write('"{0}",\n'.format(''.join(map(base16, line))))
    41. 
    
  41.     fo.write('"{0}"\n'.format(''.join(map(base16, img[-1]))))
    42. 
    
  42.     fo.write('};\n')
    43. 
    
  43.     fo.close()
    44. 
    
    45.