On Mar 19, 2009, at 1:51 PM, Ravi Ramachandra wrote:
I am very new to webkit. Pardon my silly question.
I wanted to know when and where do we decode a JPEG image file?
For example if on a HTML page if i encounter <IMG/> tag and with
that tag we have a src=".http:///xxxx/some_picture.jpg";, how does
webkit render this?
It needs to decode this MIME type and i know webkit has a JPEG
decoder built into it, but i am unable to find a right place in code.
The decoder is not chosen based on the MIME type. It’s chosen based on
the actual image data. Bitmap work in <img> tags even if the wrong
type is given, unless the type happens to be the type of one of the
non-bitmap images (application/pdf or image/svg+xml).
The class that handles image decoding is ImageSource. For Android, you
can look at the header ImageDecoder.h for some more details.
-- Darin
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