[Vm-dev] [squeak-dev] vm crash from BalloonEngine (maybe B2DPlugin or BitBltPlugin)

Bert Freudenberg bert at freudenbergs.de
Thu Apr 16 18:18:59 UTC 2015


On 15.04.2015, at 23:53, Nicolai Hess <nicolaihess at web.de> wrote:
> 
> 2015-04-15 23:53 GMT+02:00 Bert Freudenberg <bert at freudenbergs.de>:
>  
>> No idea, but just as a datapoint:
>> 
>> The code works fine in SqueakJS (if you enlarge the form to actually show the ellipse centered at 400 at 400):
>> 
>> <PastedGraphic-8.png>
>> 
>> Also no idea why the gradient repeats after 260 pixels ...
>> 
> This looks like some "wrap-around" , what happens if the fill is in the upper left
> quarter? will the fill appear 4 times?

It appears to repeat vertically only.

You can easily try it for yourself. Just go to this URL, open a workspace, and paste your code in:

http://tinyurl.com/mks6psd

> How would JS react on a wrong array access? Throwing an exception?

No. It's just a no-op.

- Bert -



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