org.jfree.chart.util

Interface ShadowGenerator

All Known Implementing Classes:

DefaultShadowGenerator

public interface ShadowGenerator

An interface that defines the API for a shadow generator. Some plot classes use this to create drop shadows.

Since:

1.0.14

Method Summary

Methods

Modifier and Type	Method and Description
int	calculateOffsetX() Calculates the x-offset for drawing the shadow image relative to the source.
int	calculateOffsetY() Calculates the y-offset for drawing the shadow image relative to the source.
BufferedImage	createDropShadow(BufferedImage source) Creates and returns an image containing the drop shadow for the specified source image.

Method Detail

createDropShadow

BufferedImage createDropShadow(BufferedImage source)

Creates and returns an image containing the drop shadow for the specified source image.

Parameters:

source - the source image.

Returns:

A new image containing the shadow.

calculateOffsetX

int calculateOffsetX()

Calculates the x-offset for drawing the shadow image relative to the source.

Returns:

The x-offset.

calculateOffsetY

int calculateOffsetY()

Calculates the y-offset for drawing the shadow image relative to the source.

Returns:

The y-offset.