[BUG] Morph cleaning background problem

> Hi
>
> if you take a morph like ClockMorph you will see that once on the  
> world it will get refresh problems.
> this is the same with an animatedMorph
> Here you see that the current gif is displayed but that the  
> background was not cleaned up
> Henrik may be this is related to your invalidateDamage changes?
>
>
> <Picture 8.png>
> http://code.google.com/p/pharo/issues/detail?id=1078
>
> Stef_______________________________________________
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> Yes.
> The ClockMorph is not specified as transparent, thus is responsible
> for redrawing it's entire extent.
> It uses StringMorph's draw method though, and all that does is draw
> the pixels in the appropriate color for the string to appear.
>
> Try:
> strMorph := (StringMorph contents: 'Hello world!') openInWorld.
> strMorph contents: 'Hello warld-'.
> and you will see the same behaviour as the clock.
>
> Previously, all morphs below would be updated no matter whether the
> one on top was opaque, so the code "worked".
>
> To fix, you can either
> - "Trick" it bysetting a slightly Translucent fillStyle, f.ex. in
> initialize method (this is the color of the text though, so slows down
> text rendering as well)
> - Do as other partially translucent morphs, and implement:
> StringMorph>>areasRemainingToFill: aRectangle
> ^ Array with: aRectangle
>
> Either way, the next underlaying Morph will then also redraw the
> damagerect.
>
> Cheers,
> Henry
>
> On Aug 20, 2009, at 10:39 37AM, Stéphane Ducasse wrote:
>
>> Hi
>>
>> if you take a morph like ClockMorph you will see that once on the
>> world it will get refresh problems.
>> this is the same with an animatedMorph
>> Here you see that the current gif is displayed but that the
>> background was not cleaned up
>> Henrik may be this is related to your invalidateDamage changes?
>>
>>
>> <Picture 8.png>
>> http://code.google.com/p/pharo/issues/detail?id=1078
>>
>> Stef_______________________________________________
>> Pharo-project mailing list
>> [hidden email]
>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>
>
> _______________________________________________
> Pharo-project mailing list
> [hidden email]
> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project