spec/textarea3.py

   1 from sys import *
   2 from pdflib_py import *
   3 import md5
   4 import Image
   5 import math
   6
   7 img = Image.open("baboon.png")
   8 width, height = img.size
   9 img.load()
  10
  11 p = PDF_new()
  12 PDF_open_file(p, "textarea3.pdf")
  13
  14 PDF_set_parameter(p, "usercoordinates", "true")
  15
  16 PDF_set_info(p, "Creator", "smalltext.py")
  17 PDF_begin_page(p, width, height)
  18 font = PDF_load_font(p, "Courier", "host", "")
  19
  20 PDF_setrgbcolor_fill(p, 0.0, 0.0, 0.0)
  21 PDF_moveto(p, 0, 0)
  22 PDF_lineto(p, width, 0)
  23 PDF_lineto(p, width, height)
  24 PDF_lineto(p, 0, height)
  25 PDF_lineto(p, 0, 0)
  26 PDF_fill(p)
  27
  28 PDF_setfont(p, font, 4.0)
  29 i = 0
  30 for y in range(height / 6):
  31     text = "".join([md5.md5(str(i+j*732849)).hexdigest() for j in range(9)])
  32     for x in range(width / 6):
  33         r,g,b = img.getpixel((x*6, height-1-y*6))
  34         l = math.sqrt(r*r+g*g+b*b)
  35         if not r and not g and not b:
  36             continue
  37         white = (l / 444.0)*5
  38         PDF_setfont(p, font, 0.5+int(white)*4)
  39         r = 0.3 + 0.3 * int((r/l)*3)
  40         g = 0.3 + 0.3 * int((g/l)*3)
  41         b = 0.3 + 0.3 * int((b/l)*3)
  42         PDF_setrgbcolor_fill(p, r, g, b)
  43         PDF_set_text_pos(p, x*6, y*6);
  44         PDF_show(p, text[x])
  45     i = i + 1
  46
  47 PDF_end_page(p)
  48 PDF_close(p)
  49 PDF_delete(p);