Uses of Class
org.apache.sis.portrayal.Canvas

Packages that use Canvas

Package	Description
org.apache.sis.portrayal	Symbology and map representations, together with a rendering engine for display.

Uses of Canvas in org.apache.sis.portrayal

Subclasses of Canvas in org.apache.sis.portrayal

Modifier and Type	Class	Description
class	PlanarCanvas	A canvas for two-dimensional display device using a Cartesian coordinate system.

Methods in org.apache.sis.portrayal that return Canvas

Modifier and Type	Method	Description
Canvas	TransformChangeEvent.getSource()	Returns the canvas on which this event initially occurred.

Methods in org.apache.sis.portrayal with parameters of type Canvas

Modifier and Type	Method	Description
(package private) final Optional<org.opengis.metadata.extent.GeographicBoundingBox>	CanvasContext.getGeographicArea(Canvas canvas)	Returns the geographic area, or an empty value if none.
(package private) final OptionalDouble	CanvasContext.getSpatialResolution(Canvas canvas)	Returns the spatial resolution, or an empty value if none.
(package private) final boolean	TransformChangeEvent.isSameSource(Canvas source)	Quick and non-overrideable check about whether the specified source is the source of this event.
private void	CanvasContext.recompute(Canvas canvas)	Recomputes CanvasContext.geographicArea and CanvasContext.resolution fields that are not valid.
(package private) final void	CanvasContext.refresh(Canvas canvas)	Sets the CoordinateOperationContext object to the desired area and accuracy of the coordinate operation to obtain.

Constructors in org.apache.sis.portrayal with parameters of type Canvas

Modifier	Constructor	Description
	TransformChangeEvent(Canvas source, LinearTransform oldValue, LinearTransform newValue, AffineTransform objective, AffineTransform display, TransformChangeEvent.Reason reason)	Creates a new event for an incremental change of the "objective to display" property.
	TransformChangeEvent(Canvas source, LinearTransform oldValue, LinearTransform newValue, TransformChangeEvent.Reason reason)	Creates a new event for a change of the "objective to display" property.