hsv-tuner.py 文件源码

def open_file(self):
        global once
        once = True
        img_file = filedialog.askopenfilename()
        # this makes sure you select a file
        # otherwise program crashes if not
        if img_file  != '':
            self.img_path = img_file 
            # this just makes sure the image shows up after opening it
            self.low_hue.set(self.low_hue.get()+1)
            self.low_hue.set(self.low_hue.get()-1)
        else:
            print('picked nothing')
            return 0