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[whatwg] Opera canvas bug?

From: Stefan Haustein <sh@kobjects.org>
Date: Fri, 11 May 2007 09:23:51 +0100
Message-ID: <46442817.4030103@kobjects.org>
Hi Ian,

concerning when to apply transformations, I think it makes much sense to
let the spec reflect the current reality of Safari and Firefox instead
of the other way around for the following reasons:

http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2007-April/010937.html

The referenced  MDC clock example is available at:

http://developer-stage.mozilla.org/en/docs/Canvas_tutorial:Basic_animations

Best regards,
Stefan

Ian Hickson wrote:
> On Mon, 2 Oct 2006, Tim Johansson wrote:
>   
>> Thank you for the bug reports. I have some comments on the second test 
>> case. The cause of this is that Opera applies the transform in the fill 
>> command (which is how I read the current spec, but it is not very 
>> clear). When the fill is called the scale is already reset, so the rect 
>> is drawn untransformed. I would like some clarification in the spec on 
>> when the transformation is supposed to be applied.
>>     
>
> Opera does this per spec. I've tried to clarify it (let me know if it 
> still needs work, though). Firefox and Safari have bugs on this.
>
> Here are some more tests for you:
>
>    http://www.hixie.ch/tests/adhoc/html/canvas/
>
> Cheers,
>   
Received on Friday, 11 May 2007 01:23:51 UTC

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