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A simple Play 2 framework, Canvas and WebSocket experiment where many users can paint their draws simultaneously on a Canvas.
JavaScript Java Scala
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playpainter is a multi-user real-time "Paint"-like web experiment made with Play 2 framework and relying on HTML Canvas and WebSocket.

Scala/Java version

  • The original version has been made in Scala ( scala/ directory )
  • Big thanks to @dbathily for the Java version! ( java/ directory )



Copyright 2012 Gaetan Renaudeau

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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