def drip(img):
    testImg = img.copy()
    h, w =img.shape[:2]
    allPoint = []
    retval, im_at_fixed = cv2.threshold(img, 200, 255, cv2.THRESH_BINARY) 
    
    for i in range(1,w) :
        drawPoint = []
        x = i
        y = 0
        j = 0
        while h>j:
            y = j   
            #print(y) 
            if get0(im_at_fixed[j,x])!=0 :
                drawPoint.append([j,x])
                j = j + 1
            elif x+1 < w and get0(im_at_fixed[j,x+1]) != 0:
                x=x+1
                drawPoint.append([j,x])
                j = j + 1
            elif get0(im_at_fixed[j,x-1]) != 0:
                x=x-1
                drawPoint.append([j,x])
                j = j + 1
            elif x+1 < w and get0(im_at_fixed[j-1,x+1]) != 0:
                x=x+1
                drawPoint.append([j,x])
#             elif  get0(im_at_fixed[j-1,x-1]) != 0:
#                 x=x-1
#                 drawPoint.append([j,x])
            else:
                break   
        
        if y>=h-1:
            allPoint.append(drawPoint)  
                
    
    dripArray = [0]
    for hPoints in allPoint:
        for points in hPoints:
            if points[0] >= h -1:
                dripArray.append(points[1])
            testImg[points[0],points[1]] = 125;
    
    #cv2.rectangle(testImg, (x, y), (x+w, y+h), (0, 255, 0), 1)
    
    baseDir = "D:\\CCshare\\python_image_find_text_region\\testImage"
    cv2.imwrite(os.path.join(baseDir,"part","dishui_py.png"), testImg)
    cv2.imshow("dishui_py", testImg)
    
    dripArray.append(w)
    dripArray = vegDripArray(dripArray)
     
    return dripArray