ToolHandler

ToolHandler

superclass for all tool handlers

Constructor

new ToolHandler()

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Methods

endPosition(e)

Description:

  • note the mouse coordinates relative to the canvas

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Parameters:
Name Type Description
e event

options() → {object}

Description:

  • return an object with the current canvas drawing options

Source:
Returns:
Type
object

optionsDialog(tool) → {HTMLElement}

Description:

  • create a dialog box to allow the user to choose options for the current shape sub classes fill the box with controls

Source:
Parameters:
Name Type Description
tool string
Returns:
Type
HTMLElement

panend()

Description:

  • panend means the shape has been completed - add a marker to record that

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panmove()

Description:

  • do something as the mouse moves

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panstart(e)

Description:

  • mouse has been pressed - note the starting mouse position and options

Source:
Parameters:
Name Type Description
e event