rbg转换浮点型数值

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于 2021-05-11 11:06:33 发布

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r = 0
g = 0
b = 255
rgb = np.uint32(np.uint32(r) << 16 | np.uint32(g) << 8 | np.uint32(b))
rgb_bin = struct.pack('I', rgb)
rgb_f_1 = struct.unpack('f', rgb_bin)[0]

r = 255
g = 255
b = 255
rgb = np.uint32(np.uint32(r) << 16 | np.uint32(g) << 8 | np.uint32(b))
rgb_bin = struct.pack('I', rgb)
rgb_f_2 = struct.unpack('f', rgb_bin)[0]