spec/imagematrix.py

   1 from sys import *
   2 from pdflib_py import *
   3 from math import sin,cos
   4 p = PDF_new()
   5 PDF_open_file(p, "imagematrix.pdf")
   6
   7 PDF_set_parameter(p, "usercoordinates", "true")
   8
   9 width = 612
  10 height = 600
  11 PDF_begin_page(p, width, height)
  12
  13 a=0.7
  14 b=-0.7
  15 matrices = [[1,0,0,1,100,200],
  16             [cos(a),sin(a),-sin(a),cos(a),400,75],
  17             [1,0,0,-1,100,350],
  18             [-1,0,0,1,450,370],
  19             [1.9,0.5,0.6,1.4,50,-200],
  20             [cos(b),sin(b),sin(b),-cos(b),500,630],
  21             [1.0,0,0,3,-90,-200],
  22            ]
  23
  24 i = PDF_load_image(p, "png", "karo.png", "")
  25
  26 for m in matrices:
  27     PDF_save(p)
  28     PDF_setmatrix(p, m[0],m[1],m[2],m[3],m[4],m[5])
  29
  30     x,y = 100,100
  31     #PDF_fit_image(p, i, x, y, "")
  32     PDF_place_image(p, i, x, y, 100/4)
  33     w,h = 100,100
  34
  35     PDF_setrgbcolor_fill(p, 0.0, 1.0, 1.0)
  36     PDF_moveto(p, x,y)
  37     PDF_lineto(p, x+w,y)
  38     PDF_lineto(p, x+w,y+h)
  39     PDF_lineto(p, x,y+h)
  40     PDF_lineto(p, x,y)
  41     PDF_moveto(p, x-20,y-20)
  42     PDF_lineto(p, x-20,y+20+h)
  43     PDF_lineto(p, x+20+w,y+20+h)
  44     PDF_lineto(p, x+20+w,y-20)
  45     PDF_lineto(p, x-20,y-20)
  46     PDF_fill(p);
  47     PDF_restore(p)
  48
  49 PDF_end_page(p)
  50 PDF_close(p)
  51 PDF_delete(p);