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markus2610/hex2bgr.py

Forked from stfuchs/hex2bgr.py
Created November 5, 2022 12:43
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snippet to convert hex color list to cv::Scalar vector(bgr)
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hex2bgr.py
# example color list:
c = """#e41a1c
#377eb8
#4daf4a
#984ea3
#ff7f00
#ffff33
#a65628
#f781bf
#999999"""
def hex2bgrVector(c, name):
c = c.splitlines()
hex2rgb = lambda hex: [ord(ci) for ci in hex[1:].decode('hex')]
rgb2bgr = lambda rgb: "cv::Scalar(%s,%s,%s,0)" % (rgb[2],rgb[1],rgb[0])
fillVector = lambda x,i: "%s[%s] = %s;" % (name, i, x)
return "\n".join( map(fillVector, map(rgb2bgr, map(hex2rgb, c)), range(len(c))) )
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