- From: Chris Lilley <chris@w3.org>
- Date: Thu, 22 Jul 2004 23:05:00 +0200
- To: "Brian Sexton" <discussion-w3c@ididnotoptin.com>
- Cc: lachlan.hunt@lachy.id.au, "Mark Moore" <mark.moore@notlimited.com>, www-style@w3.org
On Thursday, July 22, 2004, 3:41:49 AM, Brian wrote: >> IE does support PNG, except for alpha transparancy. BS> I do not know if it matters for the test suite in question, but IE also BS> handles gamma correction differently than other browsers. For example, a BS> fully opaque PNG image may differ from the CSS-specified color of a BS> surrounding page. BS> I do not know all of the details off the top of my head, but here is a page BS> that seems to give a decent overview of the issue: Yes. This is a known IE bug. I seems to relate to the handling of the sRGB chunk, which if present causes the precise sRGB transfer curve and flare correction to be applied while colors in CSS (which are also defined in sRGB) have a different (unity) correction. BS> http://www.hut.fi/u/hsivonen/png-gamma.html -- Chris Lilley mailto:chris@w3.org Chair, W3C SVG Working Group Member, W3C Technical Architecture Group
Received on Thursday, 22 July 2004 17:05:00 UTC