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add_bitmap_reverse_decode (#1795)

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sommermoregentraum 2024-01-21 18:51:08 +08:00 committed by GitHub
parent 3314001205
commit 44d9572f5c
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firmware/tools/bitmap_arr_reverse_decode.py Normal file
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from PIL import Image
import numpy as np
bitmap_data = [
0x30, 0x00,
0x30, 0x00,
0x30, 0x00,
0x30, 0x00,
0x30, 0x00,
0x30, 0x00,
0xFC, 0x00,
0xCE, 0x01,
0x86, 0x01,
0xFE, 0x01,
0x86, 0x31,
0x86, 0x49,
0xCE, 0x87,
0xFC, 0x84,
0xFC, 0x4B,
0x78, 0x30,
]
bitmap_size = (16, 16)
image_data = np.zeros((bitmap_size[1], bitmap_size[0]), dtype=np.uint8)
for y in range(bitmap_size[1]):
for x in range(bitmap_size[0]):
byte_index = (y * bitmap_size[0] + x) // 8
bit_index = x % 8
# bit_index = 7 - (x % 8)
pixel_value = (bitmap_data[byte_index] >> bit_index) & 1
image_data[y, x] = pixel_value * 255
image = Image.fromarray(image_data, 'L')
image.save('decoded.png')