python用个kivy库实现点击拍照并展示。实现一个截面中有摄像头,拍照之后展示图片
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- @晓码自在 2023-05-24 16:42关注
该回答引用ChatGPT4与博主@晓码自在合作编写:
使用kivy实现点击拍照并展示的代码:
python from kivy.app import App from kivy.uix.button import Button from kivy.uix.image import Image from kivy.clock import Clock from kivy.graphics.texture import Texture from kivy.core.camera import Camera class CameraApp(App): def build(self): self.img = Image() self.camera = Camera(resolution=(640, 480), play=False) self.camera.bind(on_load=self.camera_loaded) self.camera.bind(on_texture=self.texture_updated) btn = Button(text='Take Photo', on_press=self.take_photo) layout = BoxLayout(orientation='vertical') layout.add_widget(self.img) layout.add_widget(btn) return layout def camera_loaded(self, *args): Clock.schedule_interval(self.update_texture, 1/30) self.camera.play = True def update_texture(self, *args): if self.camera.status == 'playing': self.camera.texture = self.camera.texture def texture_updated(self, *args): if self.camera.status == 'playing': self.img.texture = self.camera.texture def take_photo(self, *args): self.camera.play = False self.camera.texture = Texture.create(size=self.camera.resolution) self.img.texture = self.camera.texture if __name__ == '__main__': CameraApp().run()
这个程序使用kivy的Camera实现摄像头捕获,并在Image控件中展示摄像头画面。当点击“Take Photo”按钮时,它会捕获当前画面,并固定展示为图片。
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