Whiteboard

^{Whiteboard 1.0}

Category / Domain :	CommTools
SCOL Voy@ger Compatibility :	V 3.5 or above
Update :	2001/09

Function

The Whiteboard module is a multi-users white-board :
The users who connect in a white-board can share a common graphic space : all that a user draws will be immediately visible by all other connected users.
The drawing can even be possibly seen by all the present guests on the site.

Configuration

Figure 1 : Whiteboard module Interface

(1) : Send the image only to the registered users) => sends the picture only to the recorded users with the module (register / unregister).

	Hand drawing with choice of 5 different sizes. This size is also used for the following 3 features.
	Line drawing
	Rectangle drawing
	Circle drawing
	Text mode with 5 different sizes
	Graphic palette which allows to select the color of drawing. This color is used for the 5 previous features
	Display of the color used in the graphic palette
	Add/Paste (Allows to copy an rectangular zone then to paste it where we wish)
	Pipette (allows to get a color of the white-board)
	Undo (allows to undo the previous command)
	Gum
	Fading of the white-board
	Open and display a picture
	Saves the white-board in a BMP file
	List if the connected users
	Available brushes for the drawing

Implementation

Open the SCS creation tree. Select the CommTools folder then double-click on Whiteboard 1.0.
Create required links for the project.

Action	Function
module.event à whiteboard.start	Starts the module at the client side
module.event à whiteboard.show	Displays the client interface
module.event à whiteboard.hide	Hides the client interface
module.event à whiteboard.register	The user registers with the Whiteboard module, he receives the drawings made by others users
module.event à whiteboard.unregister	The user unregisters with the Whiteboard module, he reL’utilisateur se désenregistre auprès du module Whiteboard, he does not receive any more drawings made by the other users
module.event à whiteboard.chgLogin	Updates the nickname in the Whiteboard interface

Event	Function
WhiteBoard.In à module Action	The module is initialized on the client
WhiteBoard.showImage à module Action	Allows to link this module with the Image plugin to post the Whiteboard drawing in the 3Dwhiteboard.showimage - > C3D3.instanceImage.showimage

Zone	Function	Interface	Assignment
Whiteboard.canvas	Canvas	Client	No
Whiteboard.brushtools	Displays brushes	Client	No
Whiteboard.drawtools	Main interface	Client	No