W3C home > Mailing lists > Public > www-svg@w3.org > August 2000

Using data URL's (was Re: images)

From: Leonard Rosenthol <leonardr@lazerware.com>
Date: Fri, 4 Aug 2000 13:16:13 -0400
Message-Id: <a04310122b5b0a3092daa@[207.29.200.50]>
To: Jon Ferraiolo <jferraio@Adobe.COM>
Cc: www-svg@w3.org
At 8:43 AM -0700 8/4/00, Jon Ferraiolo wrote:
>You can embed images (or fonts or whatever) inline into an SVG by using the
>"data" URL scheme, which documented at ftp://www.ietf.org/rfc/rfc2397.txt
>
>Here is an example of something I exported from Adobe Illustrator 9. The
>original file contained only a single raster image which is a checkerboard
>of red, green and blue squares. I am pretty sure that the embedded raster
>file is a PNG.

	This raises the obvious question - how do you tell??

	As I read the RFC, you are supposed to define the mediatype 
of the data object.  I would suspect that this should be "image/png", 
or "image/jpeg", but in your example, the datatype is left blank. 
According to the RFC, that means it's text/ascii - but it's not :(.

	Is there an undefined "default" for SVG viewers to use that 
is different from the RFC, or is this simply a bug in Illustrator's 
SVG export module?


Leonard
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Received on Friday, 4 August 2000 13:14:06 GMT

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