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https://issues.apache.org/jira/browse/OPENMEETINGS-731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13728934#comment-13728934
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Andrey Bogdanov commented on OPENMEETINGS-731:
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I think the logic should be the next:
scale and shift function remember the previous value of
this.area.transformation and put it into onSetTransformation call
onSetTransfgormation computes the new value of grid boundaries (minX, maxX and
so on) and check if they are within the dimensions. If not, then the previous
value of this.area.transformation and other values are restored.
> Drawing area of the Wicket based Whiteboard should be limited
> -------------------------------------------------------------
>
> Key: OPENMEETINGS-731
> URL: https://issues.apache.org/jira/browse/OPENMEETINGS-731
> Project: Openmeetings
> Issue Type: Sub-task
> Components: HTML5
> Affects Versions: 3.0.0 Apache Release
> Reporter: Andun Sameera Liyanagunawardana
> Fix For: 3.0.0 Apache Release
>
>
> Now we can drag drawings on whiteboard endlessly. It have to be limited to
> drawing area.
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