[whatwg] [canvas] inner shadows
ian at hixie.ch
Fri Nov 23 16:21:03 PST 2012
On Fri, 23 Nov 2012, Rik Cabanier wrote:
> On Fri, Nov 23, 2012 at 4:03 PM, Ian Hickson <ian at hixie.ch> wrote:
> > On Fri, 23 Nov 2012, Rik Cabanier wrote:
> > >
> > > It would still be quite complex to draw an inner shadow this way
> > > because the blur is calculated on the inverse of the shape. A user
> > > will need to draw to another canvas and then 'clear' it to get the
> > > inverse.
> > Turns out it's much easier than that; see my e-mail just now.
> No. You don't want to see a black shadow with blurred edges. For an
> 'inner' shadow, the shadow image sits outside the shape so you have to
> calculate that.
I don't follow. Why would you see a black shadow?
Do you have an example of what you mean?
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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