[etoys-notify] [JIRA] Updated: (SQ-919) If you rotate an object with an Alpha < 100 it changes color on heading != 0

[Karl Ramberg (JIRA)]

     [ http://tracker.squeakland.org/browse/SQ-919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karl Ramberg updated SQ-919:
----------------------------

    Comment: was deleted

(was: Known issue with alpha channel/translucency 
)

> If you rotate an object with an Alpha < 100 it changes color on heading != 0
> ----------------------------------------------------------------------------
>
>                 Key: SQ-919
>                 URL: http://tracker.squeakland.org/browse/SQ-919
>             Project: squeakland
>          Issue Type: Bug
>          Components: etoys
>            Reporter: Stephen Thomas
>            Priority: Critical
>
> To re-create take a Rectangle and change its alpha, then rotate it.
> Same problem observed for Ellipses and Sliders.
> This fix is need for an area model of multiplication (and other things of course)  on  gridded playfield and would like to have this working so kids can rotate and move around the rectangles  while exploring/explaining/communicating.

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