MarkupItem

class Communicator.Markup.MarkupItem(): This is a base class for all markup items that are overlayed over the viewer. Inherit from this class or provide an identical interface when creating custom markup items.

Methods

draw()
forJson()
getClassName()
hit()
hitWithTolerance()
onDeselect()
onSelect()
remove()
toJson()

Methods

draw

MarkupItem.draw()

Called when the markup item should be redrawn on the screen. This most typically happens when the scene is rendered.

Return type: void

forJson

MarkupItem.forJson()

Deprecated: Use toJson instead.
Return type: Object

getClassName

MarkupItem.getClassName()

Gets the fully qualified class name for this markup item. E.g. “Communicator.Markup.Redline.RedlineCircle”

Return type: string
Returns: fully qualified class name

hit

MarkupItem.hit(point)

Called when a hit test is performed on this markup item.

Arguments

point (Point2()) – position in window where the hit test is being performed.

Return type

boolean

Returns

boolean value indicating whether this item was picked

hitWithTolerance

MarkupItem.hitWithTolerance(point, pickTolerance)

Called when a hit test is performed on this markup item.

Arguments

point (Point2()) – position in window where the hit test is being performed.
pickTolerance (number()) – amount of tolerance allowed for a hit in pixels.

Return type

boolean

Returns

boolean value indicating whether this item was picked

onDeselect

MarkupItem.onDeselect()

Called when this markup item is deselected by the system

Return type: void

onSelect

MarkupItem.onSelect()

Called when this markup item is selected by the system.

Return type: void

remove

MarkupItem.remove()

Called when the MarkupItem is removed from the system. Any cleanup that needs to be done should be performed in this method.

Return type: void

toJson

MarkupItem.toJson()

Creates an object ready for JSON serialization.

Return type: Object
Returns: The prepared object.