mirror of https://github.com/AlfredoSequeida/fvid
31 lines
867 B
Cython
31 lines
867 B
Cython
# distutils: language=c
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# cython: boundscheck=False
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# cython: cdivision=True
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# cython: wraparound=False
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cpdef str cy_get_bits_from_image(image):
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cdef int width, height, x, y
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cdef str pixel_bin_rep, bits
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cdef (int, int, int) pixel
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width, height = image.size
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px = image.load()
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bits = ""
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for y in range(height):
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for x in range(width):
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pixel = px[x, y]
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pixel_bin_rep = <str>"0"
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# if the white difference is smaller (comparison part 1), that means the pixel is closer
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# to white, otherwise, the pixel must be black
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if abs(pixel[0] - 255) < abs(pixel[0] - 0) and abs(pixel[1] - 255) < abs(pixel[1] - 0) and abs(pixel[2] - 255) < abs(pixel[2] - 0):
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pixel_bin_rep = <str>"1"
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# adding bits
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bits += pixel_bin_rep
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return bits
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