pi_camera.py 文件源码

def take_photo_at(self, camera_centre):
        with picamera.PiCamera() as camera:
            camera.resolution = config.CAMERA_RESOLUTION
            camera.framerate = 24
            with picamera.array.PiRGBArray(camera) as output:
                camera.capture(output, 'bgr', use_video_port=True)
                outputarray = output.array

            # Rotate image to oriented it with paper.
            outputarray = np.rot90(outputarray, 3)

            # Save photo.
            filename = datetime.datetime.now().strftime("%M%S.%f_") + \
                       str(camera_centre[0]) \
                       + '_' \
                       + str(camera_centre[1]) + '_Photo_' + str(self._photo_index) + '.jpg'

            cv2.imwrite(os.path.join(config.debug_output_folder, filename), outputarray)
            self._photo_index += 1

            return outputarray