opencv/modules/python/test/tickets.py
2012-10-17 15:57:49 +04:00

90 lines
4.1 KiB
Python
Executable File

import unittest
import random
import time
import math
import sys
import array
import os
import cv2.cv as cv
def find_sample(s):
for d in ["../samples/c/", "../doc/pics/"]:
path = os.path.join(d, s)
if os.access(path, os.R_OK):
return path
return s
class TestTickets(unittest.TestCase):
def test_2542670(self):
xys = [(94, 121), (94, 122), (93, 123), (92, 123), (91, 124), (91, 125), (91, 126), (92, 127), (92, 128), (92, 129), (92, 130), (92, 131), (91, 132), (90, 131), (90, 130), (90, 131), (91, 132), (92, 133), (92, 134), (93, 135), (94, 136), (94, 137), (94, 138), (95, 139), (96, 140), (96, 141), (96, 142), (96, 143), (97, 144), (97, 145), (98, 146), (99, 146), (100, 146), (101, 146), (102, 146), (103, 146), (104, 146), (105, 146), (106, 146), (107, 146), (108, 146), (109, 146), (110, 146), (111, 146), (112, 146), (113, 146), (114, 146), (115, 146), (116, 146), (117, 146), (118, 146), (119, 146), (120, 146), (121, 146), (122, 146), (123, 146), (124, 146), (125, 146), (126, 146), (126, 145), (126, 144), (126, 143), (126, 142), (126, 141), (126, 140), (127, 139), (127, 138), (127, 137), (127, 136), (127, 135), (127, 134), (127, 133), (128, 132), (129, 132), (130, 131), (131, 130), (131, 129), (131, 128), (132, 127), (133, 126), (134, 125), (134, 124), (135, 123), (136, 122), (136, 121), (135, 121), (134, 121), (133, 121), (132, 121), (131, 121), (130, 121), (129, 121), (128, 121), (127, 121), (126, 121), (125, 121), (124, 121), (123, 121), (122, 121), (121, 121), (120, 121), (119, 121), (118, 121), (117, 121), (116, 121), (115, 121), (114, 121), (113, 121), (112, 121), (111, 121), (110, 121), (109, 121), (108, 121), (107, 121), (106, 121), (105, 121), (104, 121), (103, 121), (102, 121), (101, 121), (100, 121), (99, 121), (98, 121), (97, 121), (96, 121), (95, 121)]
#xys = xys[:12] + xys[16:]
pts = cv.CreateMat(len(xys), 1, cv.CV_32SC2)
for i,(x,y) in enumerate(xys):
pts[i,0] = (x, y)
storage = cv.CreateMemStorage()
hull = cv.ConvexHull2(pts, storage)
hullp = cv.ConvexHull2(pts, storage, return_points = 1)
defects = cv.ConvexityDefects(pts, hull, storage)
vis = cv.CreateImage((1000,1000), 8, 3)
x0 = min([x for (x,y) in xys]) - 10
x1 = max([x for (x,y) in xys]) + 10
y0 = min([y for (y,y) in xys]) - 10
y1 = max([y for (y,y) in xys]) + 10
def xform(pt):
x,y = pt
return (1000 * (x - x0) / (x1 - x0),
1000 * (y - y0) / (y1 - y0))
for d in defects[:2]:
cv.Zero(vis)
# First draw the defect as a red triangle
cv.FillConvexPoly(vis, [xform(p) for p in d[:3]], cv.RGB(255,0,0))
# Draw the convex hull as a thick green line
for a,b in zip(hullp, hullp[1:]):
cv.Line(vis, xform(a), xform(b), cv.RGB(0,128,0), 3)
# Draw the original contour as a white line
for a,b in zip(xys, xys[1:]):
cv.Line(vis, xform(a), xform(b), (255,255,255))
self.snap(vis)
def test_2686307(self):
lena = cv.LoadImage(find_sample("lena.jpg"), 1)
dst = cv.CreateImage((512,512), 8, 3)
cv.Set(dst, (128,192,255))
mask = cv.CreateImage((512,512), 8, 1)
cv.Zero(mask)
cv.Rectangle(mask, (10,10), (300,100), 255, -1)
cv.Copy(lena, dst, mask)
self.snapL([lena, dst, mask])
m = cv.CreateMat(480, 640, cv.CV_8UC1)
print "ji", m
print m.rows, m.cols, m.type, m.step
def snap(self, img):
self.snapL([img])
def snapL(self, L):
for i,img in enumerate(L):
cv.NamedWindow("snap-%d" % i, 1)
cv.ShowImage("snap-%d" % i, img)
cv.WaitKey()
cv.DestroyAllWindows()
if __name__ == '__main__':
random.seed(0)
if len(sys.argv) == 1:
suite = unittest.TestLoader().loadTestsFromTestCase(TestTickets)
unittest.TextTestRunner(verbosity=2).run(suite)
else:
suite = unittest.TestSuite()
suite.addTest(TestTickets(sys.argv[1]))
unittest.TextTestRunner(verbosity=2).run(suite)