org.sunflow.core.filter
Class BoxFilter

java.lang.Object
  org.sunflow.core.filter.BoxFilter

All Implemented Interfaces:

Filter

public class BoxFilter
extends java.lang.Object
implements Filter

Constructor Summary

BoxFilter()

Method Summary

float	get(float x, float y) Get value of the filter at offset (x, y).
float	getSize() Width in pixels of the filter extents.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BoxFilter

public BoxFilter()

Method Detail

getSize

public float getSize()

Description copied from interface: Filter

Width in pixels of the filter extents. The filter will be applied to the range of pixels within a box of +/- getSize() / 2 around the center of the pixel.

Specified by:

getSize in interface Filter

Returns:

width in pixels

get

public float get(float x,
                 float y)

Description copied from interface: Filter

Get value of the filter at offset (x, y). The filter should never be called with values beyond its extents but should return 0 in those cases anyway.

Specified by:

get in interface Filter

Parameters:

x - x offset in pixels

y - y offset in pixels

Returns:

value of the filter at the specified location