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#! /usr/bin/env python
"""
This script will test highgui's image saving functionality
"""
# name if this test and it's requirements
TESTNAME = "cvSaveImage"
REQUIRED = ["cvLoadImagejpg"]
#needed for sys.exit(int), filehandling and .works file checks
import os
import sys
import works
# path to imagefiles we need
PREFIX=os.path.join(os.environ["srcdir"],"../../opencv_extra/testdata/python/images/")
# delete old .works file and check requirements
if not works.check_files(REQUIRED,TESTNAME):
sys.exit(77)
# import the necessary things for OpenCV
from highgui import *
from cv import *
# our temporary test file
file_name = "./highgui_testfile.bmp"
# try to load an image from a file
image = cvLoadImage(PREFIX+"baboon.jpg")
# if the returned object is not Null, loading was successful.
if image==0:
print "(INFO) Couldn't load test image. Skipping rest of this test."
sys.exit(77)
res = cvSaveImage("./highgui_testfile.bmp", image)
if res == 0:
print "(ERROR) Couldn't save image to '"+file_name+"'."
sys.exit(1)
# remove temporary file
os.remove(file_name)
# create flag file
works.set_file(TESTNAME)
# return 0 ('PASS')
sys.exit(0)