halcon（读取图片并转为灰度图）
dev_close_window ()
read_image (Image, 'F:/wallpaper/1.jpg')
get_image_size (Image, Width, Height)
dev_open_window (0, 0, Width, Height, 'black', WindowHandle)
dev_display (Image)
dev_open_window (0, 0, Width, Height, 'black', WindowHandle)
rgb1_to_gray(Image,GrayImage)
dev_display (GrayImage)