[whatwg] createImageData should take unsigned long
ian at hixie.ch
Sun Aug 30 23:08:05 PDT 2009
On Mon, 24 Aug 2009, Philip Jägenstedt wrote:
> As far as I can see there's no good reason why createImageData should
> take a float as input rather than unsigned long. Having it as float
> creates the odd situation where (0.1, 0.1) gives a 1x1 ImageData while
> (10.1, 10.1) gives a 10x10 or 11x11 depening on if you ceil or round the
> input (not defined). Unless there's a compelling reason to allow
> something like (0.1, 0.1) I suggest changing the type and leaving the
> float->unsigned conversion to WebIDL.
Twenty years from now, when we're using 960dpi screens, 1 CSS pixel might
well map to ten device pixels reliably, such that people will want
sub-CSS-pixel-level accuracy in their calls to createImageData().
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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