# Uses of Class
org.apache.sis.portrayal.TransformChangeEvent

Packages that use TransformChangeEvent
Package
Description
org.apache.sis.gui.map
Widgets for showing a map in a JavaFX application.
org.apache.sis.portrayal
Symbology and map representations, together with a rendering engine for display.

- ## Uses of TransformChangeEvent in org.apache.sis.gui.map

  Methods in org.apache.sis.gui.map with parameters of type TransformChangeEvent
  Modifier and Type
  Method
  Description
  `protected boolean`
  GestureFollower.`filter(TransformChangeEvent event)`
  Returns `true` if this listener should replicate the following changes on the target canvas.
  `protected void`
  GestureFollower.`transformedSource(TransformChangeEvent event)`
  Invoked after the source "objective to display" transform has been updated.

- ## Uses of TransformChangeEvent in org.apache.sis.portrayal

  Methods in org.apache.sis.portrayal with parameters of type TransformChangeEvent
  Modifier and Type
  Method
  Description
  `protected boolean`
  CanvasFollower.`filter(TransformChangeEvent event)`
  Returns `true` if this listener should replicate the following changes on the target canvas.
  `protected void`
  CanvasFollower.`transformDisplayCoordinates(TransformChangeEvent event, AffineTransform after)`
  Invoked by `CanvasFollower.propertyChange(PropertyChangeEvent)` for updating the transform of the target canvas in display units (typically pixels).
  `protected void`
  CanvasFollower.`transformedSource(TransformChangeEvent event)`
  Invoked after the source "objective to display" transform has been updated.
  `protected void`
  CanvasFollower.`transformedTarget(TransformChangeEvent event)`
  Invoked after the target "objective to display" transform has been updated.
  `protected void`
  CanvasFollower.`transformObjectiveCoordinates(TransformChangeEvent event, AffineTransform before)`
  Invoked by `CanvasFollower.propertyChange(PropertyChangeEvent)` for updating the transform of the target canvas in units of the objective CRS.