org.sunflow.core.filter

Class SincFilter

Implemented Interfaces:
Filter

public class SincFilter
extends java.lang.Object
implements Filter

Constructor Summary

SincFilter(float size)

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.

Constructor Details

SincFilter

public SincFilter(float size)

Method Details

get

public float get(float x,
                 float y)
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

getSize

public float getSize()
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