def test_Concatenate(self):
video=Video()
w=400
h=400
#https://stackoverflow.com/a/21170291/1497139
image1=video.createBlank(w, h, (192,192,192))
image2=video.createBlank(w, h, (255,128,0))
image3=video.createBlank(w, h, (255//3,255//3,255/3))
image4=video.createBlank(w, h, (0,0,255))
combined=video.as2x2(image1,image2,image3,image4,downScale=1)
hc, wc= combined.shape[:2]
assert hc==2*h
assert wc==2*w
video.showImage(combined, "combined",keyWait=1000)
def test_CreateBlank(self):
video = Video()
width = 400
height = 400
image = video.createBlank(width, height)
iheight, iwidth, channels = image.shape
print ("created blank %dx%d image with %d channels" % (iwidth, iheight, channels))
assert height == iheight
assert width == iwidth
assert channels == 3