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bug#24273: 25.1.50; Unexpected return value from `color-name-to-rgb'


From: Andreas Schwab
Subject: bug#24273: 25.1.50; Unexpected return value from `color-name-to-rgb'
Date: Sat, 20 Aug 2016 14:07:08 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)

On Aug 20 2016, Eli Zaretskii <address@hidden> wrote:

>> Date: Sat, 20 Aug 2016 12:11:46 +0200
>> From: Simen Heggestøyl <address@hidden>
>> Cc: address@hidden
>> 
>> On Sat, Aug 20, 2016 at 12:06 PM, Julien Danjou <address@hidden> 
>> wrote:
>> > What are the return values of:
>> >  (color-values "white")
>> > and
>> >  (color-values "#ffffff")
>> > ?
>> 
>> (color-values "white")
>>      ⇒ (65535 65535 65535)
>> 
>> (color-values "#ffffff")
>>      ⇒ (65280 65280 65280)
>
> Which means "white" and "#ffffff" are not the same color.

Actually they are, because #ffffff and #ffffffffffff are the same color
on a display with 8 bits per color.

Andreas.

-- 
Andreas Schwab, address@hidden
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."





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