test/functional/test_bitmap.py

   1 import sys; sys.path.insert(0, "../..")
   2 from pyx import *
   3 try:
   4     from PIL.Image import open
   5 except:
   6     print("PIL not available, skipping palette test")
   7     paletteimage = None
   8 else:
   9     paletteimage = open("../../www/vcss.png")
  10
  11 image_bw = bitmap.image(2, 2, "L", b"\0\377\377\0")
  12 image_rgb = bitmap.image(3, 2, "RGB", b"\77\77\77\177\177\177\277\277\277"
  13                                       b"\377\0\0\0\377\0\0\0\377")
  14
  15 bitmap_bw_stream = bitmap.bitmap(0, 1, image_bw, height=0.8)
  16 bitmap_rgb_stream = bitmap.bitmap(0, 0, image_rgb, height=0.8)
  17
  18 bitmap_bw_storestring = bitmap.bitmap(2, 1, image_bw, height=0.8, PSstoreimage=1)
  19 bitmap_rgb_storestring = bitmap.bitmap(2, 0, image_rgb, height=0.8, PSstoreimage=1)
  20
  21 bitmap_bw_storearray = bitmap.bitmap(4, 1, image_bw, height=0.8, PSstoreimage=1, PSmaxstrlen=2)
  22 bitmap_rgb_storearray = bitmap.bitmap(4, 0, image_rgb, height=0.8, PSstoreimage=1, PSmaxstrlen=2)
  23
  24 c = canvas.canvas()
  25 c.insert(bitmap_bw_stream)
  26 c.insert(bitmap_rgb_stream)
  27 c.insert(bitmap_bw_storestring)
  28 c.insert(bitmap_rgb_storestring)
  29 c.insert(bitmap_bw_storearray)
  30 c.insert(bitmap_rgb_storearray)
  31 if paletteimage:
  32     c.insert(bitmap.bitmap(6, 0, paletteimage, height=1.8))
  33 c.writeEPSfile("test_bitmap", page_paperformat=document.paperformat.A4)
  34 c.writePDFfile("test_bitmap", page_paperformat=document.paperformat.A4)
  35 c.writeSVGfile("test_bitmap", page_paperformat=document.paperformat.A4)
  36