INNER CODE UNIT · Python

paint_draw

vietnh1009/QuickDraw · painting_app.py:21

    def paint_draw(event, x, y, flags, param):
        global ix, iy, is_drawing
        if event == cv2.EVENT_LBUTTONDOWN:
            is_drawing = True
            ix, iy = x, y
        elif event == cv2.EVENT_MOUSEMOVE:
            if is_drawing == True:
                cv2.line(image, (ix, iy), (x, y), WHITE_RGB, 5)
                ix = x
                iy = y
        elif event == cv2.EVENT_LBUTTONUP:
            is_drawing = False
            cv2.line(image, (ix, iy), (x, y), WHITE_RGB, 5)
            ix = x
            iy = y
        return x, y

    cv2.setMouseCallback('Canvas', paint_draw)

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