color_picker.py 文件源码

def draw_circle(event,x,y,flags,param):
    global ix,iy,drawing,mode
    global img
    im=img.copy()
    if event == cv2.EVENT_LBUTTONDOWN:
        drawing = True
        ix,iy = x,y

    elif event == cv2.EVENT_LBUTTONUP:
        drawing = False
        if mode == True:
            cv2.rectangle(im,(ix,iy),(x,y),(0,255,0),1)
        cv2.imshow('image',im)
        cv2.imshow('res',color_picker([(ix,iy),(x,y)]))