opencv/tests/swig_python/highgui/cvLoadImage.py

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Python
Executable File

"""
This script will test highgui's image loading functionality
for a given parameter of a file extension.
"""
# needed for sys.exit(int) and .works file handling
import os
import sys
import works
from works import *
#import the necessary things for OpenCV
from highgui import *
from cv import *
# some defines
TESTNAME = "cvLoadImage"
REQUIRED = []
# path to imagefiles we need
PREFIX=os.path.join(os.environ["srcdir"],"../../opencv_extra/testdata/python/images/baboon_256x256")
# this functions tries to open an imagefile
# using the filename PREFIX.EXTENSION and returns True/False
# on success/fail.
def image_ok( EXTENSION ):
# check requirements and delete old .works file
WORKSNAME = TESTNAME+'.'+EXTENSION
if not works.check_files( REQUIRED, WORKSNAME ):
print "worksfile "+WORKSNAME+" not found."
return False
image = cvLoadImage(PREFIX+'.'+EXTENSION)
if image is None:
return False
else:
works.set_file( TESTNAME+EXTENSION )
return True