Re: [css3-images] We should use linear RGB color space when doing gradients (and transitions, and ...) from Simon Fraser on 2012-01-14 (www-style@w3.org from January 2012)

From: Simon Fraser <smfr@me.com>
Date: Sat, 14 Jan 2012 08:08:17 -0800
To: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Cc: "www-style@w3.org" <www-style@w3.org>
Message-id: <192F2E62-8BB4-4C13-AB6C-5899C07EF25D@me.com>

On Jan 13, 2012, at 8:57 PM, Witold Baryluk wrote:

> Unofrtunetly not only css-images module have this flaws as I quickly
> checked. Even ignoring specifications, most UA implementations have
> incorrect handling of color spaces when rendering images (most notable
> when resizing/resamling/rotating/etc. them, as well CSS Transforms), and
> also when composing multiple semitransparent layers (they are doing
> linear combination of background and foreground colors defined in
> nonlinear colors space, which is plainly WRONG).

Can you provide some examples that make it clear that browsers have
incorrect blending behavior?

Simon

Received on Saturday, 14 January 2012 16:09:09 UTC