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Re: [CSS21] Test Suite

From: Chris Lilley <chris@w3.org>
Date: Fri, 23 Jul 2004 21:37:45 +0200
Message-ID: <1234410368.20040723213745@w3.org>
To: phoyt@philiphoyt.com
Cc: www-style@w3.org

On Friday, July 23, 2004, 9:24:23 PM, phoyt wrote:

>> ppc> To be a bit more precise, this behaviour of PNG feels like a bug to
>> most
>> ppc> users.
>> You should talk to some online clothing retailers. Its a significant
>> barrier to trade; the amount of returns due to the color not being
>> anywhere near what ewas on screen is significant.

ppc> I did say most users, not clothing retailers.

Right - my point was that the 'most users' are their customers. or, lost

ppc> I'm not surprised that some
ppc> people think gamma correction is an important feature. At least it makes
ppc> it more useful as a format for print design I suppose.

Its a fallacy that gamma correction (and color management in general, of
which gamma correction is the 80:20 point) is applicable only to high
end print and specialized usage.

Anyone who has ever connected a laptop to a projector and noticed the
colors are way off would have been helped by color management.

>> ppc> The solution is to turn off gamma correction in your PNGs,
>> ppc> something easily done in Macromedia Fireworks and the GIMP but to my
>> ppc> knowledge impossible in Photoshop.
>> That isn't a solution, its a workaround.
>> The solution is to implement CSS1 correctly, at which point the PNGs and
>> the CSS colors will match correctly *and* display consistently.

ppc> Fair enough. I look forward to the day when 90% of users have browsers
ppc> that get this right.

So do I.

I clearly recall sitting on the floor at INRIA, and shouting through to
Hakon and Bert that company "N" had just agreed to implement gamma
correction and thus withdrew their opposition to specifying the color
space in CSS1. After about an hour of argument. That was in the summer
of 1996.

Unfortunately they didn't implement it after all.

 Chris Lilley                    mailto:chris@w3.org
 Chair, W3C SVG Working Group
 Member, W3C Technical Architecture Group
Received on Friday, 23 July 2004 15:37:48 UTC

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