com.luciad.layers.features

Interface IFeaturePainter

public interface IFeaturePainter

A feature painter is used to specify how a feature is painted.

An example of how to implement this interface can be found here.

Method Summary

Modifier and Type	Method and Description
void	configureMetadata(FeaturePainterMetadata metadata) This method is called by the layer to determine when the styling defined by this IFeaturePainter changes.
void	paint(Feature feature, FeaturePainterContext context, FeatureCanvas canvas) Specifies how the given feature is painted.

Method Detail

configureMetadata

void configureMetadata(@NotNull
                       FeaturePainterMetadata metadata)

This method is called by the layer to determine when the styling defined by this IFeaturePainter changes.

The layer can use the FeaturePainterMetadata to know when to call the IFeaturePainter#paint method. The FeatureState#selected() and the FeaturePainterMetadata#painterDependsOnFeature are active by default.

Parameters:

metadata - the metadata to be modified in this method

paint

void paint(@NotNull
           Feature feature,
           @NotNull
           FeaturePainterContext context,
           @NotNull
           FeatureCanvas canvas)

Specifies how the given feature is painted.

This is done by submitting draw command on the given FeatureCanvas.

An example of how to implement this method can be found here.

Parameters:

feature - the feature to painter

context - additional context information

canvas - the canvas on which to submit draw commands.