mirror of
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92 lines
2.4 KiB
Python
92 lines
2.4 KiB
Python
# SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Unlicense OR CC0-1.0
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import argparse
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import cv2 as cv
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import numpy as np
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def open_picture(path): # type: (str) -> list[int]
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with open(path, 'rb') as f:
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data = f.read()
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f.close()
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new_data = [int(x) for x in data]
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return new_data
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def picture_show_rgb888(data, h, w): # type: (list[int], int, int) -> None
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data = np.array(data).reshape(h, w, 3).astype(np.uint8)
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cv.imshow('data', data)
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cv.waitKey()
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def picture_show_rgb565(data, h, w): # type: (list[int], int, int) -> None
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new_data = [0] * ((len(data) // 2) * 3)
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for i in range(len(data)):
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if i % 2 != 0:
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new_data[3 * (i - 1) // 2 + 2] = (data[i] & 0xf8)
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new_data[3 * (i - 1) // 2 + 1] |= (data[i] & 0x7) << 5
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else:
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new_data[3 * i // 2] = (data[i] & 0x1f) << 3
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new_data[3 * i // 2 + 1] |= (data[i] & 0xe0) >> 3
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new_data = np.array(new_data).reshape(h, w, 3).astype(np.uint8)
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cv.imshow('data', new_data)
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cv.waitKey()
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def picture_show_gray(data, h, w): # type: (list[int], int, int) -> None
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new_data = np.array(data).reshape(h, w, 1).astype(np.uint8)
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cv.imshow('data', new_data)
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cv.waitKey()
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def main(): # type: () -> None
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parser = argparse.ArgumentParser(description='which mode need to show')
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parser.add_argument(
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'--pic_path',
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type=str,
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help='What is the path of your picture',
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required=True)
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parser.add_argument(
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'--pic_type',
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type=str,
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help='What type you want to show',
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required=True,
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choices=['rgb565', 'rgb888', 'gray'])
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parser.add_argument(
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'--hight',
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type=int,
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help='the picture hight',
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default=480)
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parser.add_argument(
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'--width',
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type=int,
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help='the picture width',
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default=640)
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args = parser.parse_args()
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hight = args.hight
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width = args.width
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data = open_picture(args.pic_path)
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if (args.pic_type == 'rgb565'):
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picture_show_rgb565(data, hight, width)
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elif (args.pic_type == 'rgb888'):
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picture_show_rgb888(data, hight, width)
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elif (args.pic_type == 'gray'):
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picture_show_gray(data, hight, width)
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else:
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print('This type is not supported in this script!')
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if __name__ == '__main__':
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main()
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