[Cuis-dev] Transparent Form ?

[Juan Vuletich]

This is very nice to know!

Fix is at GitHub now.

Thanks, Hilaire!

On 6/2/2020 6:50 AM, Hilaire Fernandes via Cuis-dev wrote:
>
> Hi Juan,
>
> Work nicely! Thanks.
>
> Regarding speed, now I can tell you Cuis' Morph is super fast.
>
> See https://youtu.be/beIZnmhx2HU
>
> I have to record the video up to 60Hz to get a taste of the smoothness 
> of the animation. And the youtube video does not show this.
>
> For a smooth rendering, see:
>
> https://www.dropbox.com/s/480jn4efcz0c7fl/AnimationCircularToolbarCuis-2020-06-02_10.54.39.mp4?dl=0
>
> The animation framework used to animate on a given duration comes from 
> Pharo. Under Pharo it is not smooth at all.
>
> With Cuis, one can make very nice and smooth UI.
>
> Hilaire
>
> Le 01/06/2020 à 14:28, Juan Vuletich a écrit :
>> As you saw, this problem is not related to VectorGraphics. BitBlt 
>> with alpha blending to translucent targets is also broken. For each 
>> pixel, it should divide the r, g, b values of the result by the 
>> alpha. That is exactly what I just fixed in the VectorGraphics 
>> engine. Fixing this in the BitBlt plugin is harder and unlikely, 
>> because it would change the behavior of existing code, perhaps in 
>> unexpected ways. So, the attach. It fixes the result of #imageForm:, 
>> in Smalltalk. It will have a performance impact. Fortunately, 
>> #imageForm: is usually called only to cache stuff, so a bit of 
>> performance loss will not be a problem.
>>
>> Please try it.
> -- 
> GNU Dr. Geo
> http://drgeo.eu

Cheers,

-- 
Juan Vuletich
www.cuis-smalltalk.org
https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev
https://github.com/jvuletich
https://www.linkedin.com/in/juan-vuletich-75611b3
@JuanVuletich

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