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Re: [css-images][css-compositing] Blurring an elementís backdrop

From: Brad Kemper <brad.kemper@gmail.com>
Date: Wed, 18 Sep 2013 20:15:39 -0700
Cc: Dirk Schulze <dschulze@adobe.com>, Lea Verou <leaverou@gmail.com>, "public-fx@w3.org" <public-fx@w3.org>, www-style list <www-style@w3.org>
Message-Id: <370A09BF-EC70-46A4-BCD3-7012CC0296E3@gmail.com>
To: Rik Cabanier <cabanier@gmail.com>

On Sep 18, 2013, at 4:33 PM, Rik Cabanier wrote:

> Blurring of the backdrop is not quite the same as a CSS image.
> You typically only want to blur where you're actually painting. For instance, if you draw large text or an SVG graphic, you only want to blur where the pixels of the text or graphic are drawn.
> I guess you could pull in the backdrop as a rectangular region of a certain size, but seems too primitive for CSS.

The backdrop is whatever is behind the element, right? That can change, due to scrolling, resizing, dragging, animating, etc., and you'd want the blurring to continue to blur whatever is behind it.
Received on Thursday, 19 September 2013 03:16:10 UTC

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