def main():
# Command line options:
parser = ArgumentParser(description="A very simple VisionCpp demo. Opens "
"the webcam capture feed, performs some colour "
"space conversions, and displays the result.")
parser.add_argument("-v",
"--verbose",
action="store_true",
help="verbose output printing")
parser.add_argument("-C",
"--computecpp",
type=str,
metavar="PATH",
default="~/ComputeCpp-CE-0.1-Linux",
help="Path to ComputeCpp installation directory")
args = parser.parse_args()
if args.verbose: logging.basicConfig(level=logging.DEBUG)
vp.init(args.computecpp)
# VisionCpp expression tree:
image_in = vp.Webcam()
node1 = vp.BGRToRGB(image_in)
node2 = vp.U8C3ToF32C3(node1)
node3 = vp.RGBToHSV(node2)
node4 = vp.HSVToRGB(node3)
node5 = vp.F32C3ToU8C3(node4)
node6 = vp.RGBToBGR(node5)
output = vp.show(node6)
vp.run(output)
def test_init_path_set(self):
path = vp.init('README.rst')
self.assertEqual(path, os.path.abspath('README.rst'))
path2 = vp.init()
self.assertEqual(path, path2)
def test_init_bad_path(self):
with self.assertRaises(vp.VisionCppException):
vp.init("/not/a/real/path/i/think")
def test_init_path_unchanged(self):
path = vp.init()
path2 = vp.init()
self.assertEqual(path, path2)