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Posted to commits@openmeetings.apache.org by "Andun Sameera Liyanagunawardana (JIRA)" <ji...@apache.org> on 2013/08/05 20:36:48 UTC

[jira] [Comment Edited] (OPENMEETINGS-731) Drawing area of the Wicket based Whiteboard should be limited

    [ https://issues.apache.org/jira/browse/OPENMEETINGS-731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13729773#comment-13729773 ] 

Andun Sameera Liyanagunawardana edited comment on OPENMEETINGS-731 at 8/5/13 6:35 PM:
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I have logged the value of this.area.transformation to see what happen. When the whiteboard loads it gives,

{"m11_":-1,"m00_":1,"m12_":296,"m02_":640,"m01_":0,"m10_":0}

When we zoom in/out m11,m00 values changes and when we scroll m02, m01 value changes. Thus can we have this kind of a example logic in the onSetTransformation function of the scale,

if(!(m11_>-1 || m00_<1)){
  #Existing Code
}

Also what should be the appropriate logic to do shifting? Actually what these m11, m02 etc. represents ?

                
      was (Author: andunslg):
    I have logged the value of this.area.transformation to see what happen. When the whiteboard loads it gives,

{"m11_":-1,"m00_":1,"m12_":296,"m02_":640,"m01_":0,"m10_":0}

When we zoom in/out m11,m00 values changes and when we scroll m02, m01 value changes. Thus can we have this kind of a example logic in the onSetTransformation function of the scale,

if(!(m11_>-1 || m00_<1)){
  #Existing Code
}

Also what should be the appropriate logic to do shifting?

                  
> 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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