[whatwg] HTMLCanvasElement.toFile()

[Darin Fisher]

On Thu, Jan 14, 2010 at 11:04 PM, Ian Hickson <ian at hixie.ch> wrote:

> On Thu, 14 Jan 2010, Darin Fisher wrote:
> > On Thu, Jan 14, 2010 at 12:10 PM, David Levin <levin at google.com> wrote:
> > >
> > > It seems like it the method should be toBlob.
> > >
> > > > This doesn't address my concern that you won't know the mime type of
> > > > the blob returned.
> > >
> > > This makes a good case to move the "readonly attrbiute DOMString type"
> > > from File to Blob.
> >
> > I like this suggestion.  It seems reasonable for a Blob, which is just a
> > handle to data, to have an associated media type.
>
> What type should a blob have if it is the result of slicing another file?
>
>
I had the same thought after sending this ;-)

A slicing operation that changes the size of the file should probably clear
the type field or set it to application/octet-stream.  Perhaps Blob.type
should be settable in some cases?

-Darin
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