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#! /usr/bin/env python
"""
This script will test highgui's window functionality
"""
# name of this test and it's requirements
TESTNAME = "cvShowImage"
REQUIRED = ["cvLoadImagejpg", "cvNamedWindow"]
# needed for sys.exit(int) and .works file handling
import os
import sys
import works
# path to imagefiles we need
PREFIX=os.path.join(os.environ["srcdir"],"../../opencv_extra/testdata/python/images/")
# check requirements and delete old flag file, if it exists
if not works.check_files(REQUIRED,TESTNAME):
sys.exit(77)
# import the necessary things for OpenCV
from highgui import *
from cv import *
# defined window name
win_name = "testing..."
# we expect a window to be createable, thanks to 'cvNamedWindow.works'
cvNamedWindow(win_name, CV_WINDOW_AUTOSIZE)
# we expect the image to be loadable, thanks to 'cvLoadImage.works'
image = cvLoadImage(PREFIX+"cvShowImage.jpg")
if image is None:
print "(ERROR) Couldn't load image "+PREFIX+"cvShowImage.jpg"
sys.exit(1)
# try to show image in window
res = cvShowImage( win_name, image )
cvWaitKey(0)
if res == 0:
cvReleaseImage(image)
cvDestroyWindow(win_name)
sys.exit(1)
# destroy window
cvDestroyWindow(win_name)
# create flag file for following tests
works.set_file(TESTNAME)
# return 0 ('PASS')
sys.exit(0)