vcs.maemo.org Git - opencv/blob - tests/swig_python/highgui/cvShowImage.py

   1 #! /usr/bin/env python
   2 """
   3 This script will test highgui's window functionality
   4 """
   5
   6 # name of this test and it's requirements
   7 TESTNAME = "cvShowImage"
   8 REQUIRED = ["cvLoadImagejpg", "cvNamedWindow"]
   9
  10
  11 # needed for sys.exit(int) and .works file handling
  12 import os
  13 import sys
  14 import works
  15
  16 # path to imagefiles we need
  17 PREFIX=os.path.join(os.environ["srcdir"],"../../opencv_extra/testdata/python/images/")
  18
  19 # check requirements and delete old flag file, if it exists
  20 if not works.check_files(REQUIRED,TESTNAME):
  21         sys.exit(77)
  22
  23
  24 # import the necessary things for OpenCV
  25 from highgui import *
  26 from cv import *
  27
  28 # defined window name
  29 win_name = "testing..."
  30
  31 # we expect a window to be createable, thanks to 'cvNamedWindow.works'
  32 cvNamedWindow(win_name, CV_WINDOW_AUTOSIZE)
  33
  34 # we expect the image to be loadable, thanks to 'cvLoadImage.works'
  35 image = cvLoadImage(PREFIX+"cvShowImage.jpg")
  36
  37 if image is None:
  38         print "(ERROR) Couldn't load image "+PREFIX+"cvShowImage.jpg"
  39         sys.exit(1)
  40
  41 # try to show image in window
  42 res = cvShowImage( win_name, image )
  43 cvWaitKey(0)
  44
  45
  46 if res == 0:
  47         cvReleaseImage(image)
  48         cvDestroyWindow(win_name)
  49         sys.exit(1)
  50
  51 # destroy window
  52 cvDestroyWindow(win_name)
  53
  54 # create flag file for following tests
  55 works.set_file(TESTNAME)
  56
  57 # return 0 ('PASS')
  58 sys.exit(0)
  59
  60
  61