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This PR fixes #37, where
\Color\Rgba
incorrectly converts tohlsa
andhexa
.Technically,
toHexa()
andtoHlsa()
method will save the current alpha channel using into$old_alpha
, clone the current color profile, convert to eitherhlsa
orhexa
, then re-apply the alpha channel using the$old_alpha
.Also, in PHP 8.1,
alphaFloatToHex()
will return a deprecation warning because implicit float to integer conversion is deprecated, please check this article to verify.I also changed the test a little bit to comply the new
toHexa
value.