INNER CODE UNIT · Python

origin_rect

stereolabs/zed-sdk · camera control/python/camera_control.py:36

origin_rect = (-1,-1 )

# Function that handles mouse events when interacting with the OpenCV window.
def on_mouse(event,x,y,flags,param):
    global select_in_progress,selection_rect,origin_rect
    if event == cv2.EVENT_LBUTTONDOWN:
        origin_rect = (x, y)
        select_in_progress = True
    elif event == cv2.EVENT_LBUTTONUP:
        select_in_progress = False 
    elif event == cv2.EVENT_RBUTTONDOWN:
        select_in_progress = False 
        selection_rect = sl.Rect(0,0,0,0)
    
    if select_in_progress:
        selection_rect.x = min(x,origin_rect[0])
        selection_rect.y = min(y,origin_rect[1])
        selection_rect.width = abs(x-origin_rect[0])+1

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