1  #!/usr/bin/python
 2  import sys
 3  import struct
 4  import PIL.Image as Image
 5  
 6  text = """\
 7  10 poke53280,0:poke53281,1
 8  20 print"\xd0\xd3";
 9  30 fory=0to7
10  40 forx=0to15
11  50 poke49152+111+x+80*y,x+16*y
12  60 next
13  70 next
14  80 list"""
15  
16  lowercase = False
17  if sys.argv[1] == '-l':
18      lowercase = True
19      del sys.argv[1]
20  
21  def toscreencode(ch):
22      cc = ord(ch)
23      if '`' <= ch <= '~': return cc - 96
24      return cc
25  
26  charset = open(sys.argv[1], "rb").read()
27  
28  
29  FG = 0xFFDE7886
30  BG = 0xFFAA3A48
31  
32  def putcat(img, r, c, code, lowercase):
33      inverse = code & 128
34      code = code % 128
35      idx = code*8
36      for y in range(8):
37          data = charset[idx+y+lowercase*1024]
38          if not inverse: data = ~data
39          for x in range(4):
40              if ~data & (1<<(3-x)):
41                  img.putpixel((8+4*c+x,8+8*r+y), FG)
42  
43  BG_buf = struct.pack('<I', BG)
44  img = Image.frombytes('RGBA', (16+188,16+64), BG_buf * (16+188)*(16+64))
45  
46  for i in range(8):
47      for x in range(img.width):
48          img.putpixel((x, i), FG)
49          img.putpixel((x, img.height-i-1), FG)
50      for y in range(img.height):
51          img.putpixel((i, y), FG)
52          img.putpixel((img.width-i-1, y), FG)
53  r=c=0
54  for ch in text:
55      if ch == '\n':
56          r = r + 1
57          c = 0
58          continue 
59      putcat(img, r, c, toscreencode(ch), lowercase)
60      c = c + 1
61      if c == 80:
62          r = r + 1
63          c = 0
64  for r in range(8):
65      for c in range(16):
66          putcat(img, r, c+31, r*16+c, lowercase)
67  
68  img = img.resize((img.size[0]*3, img.size[1]*3), resample=Image.NEAREST)
69  img.save(sys.argv[2])