Package org.sunflow.core
Interface Filter
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- All Known Implementing Classes:
BlackmanHarrisFilter
,BoxFilter
,CatmullRomFilter
,CubicBSpline
,GaussianFilter
,LanczosFilter
,MitchellFilter
,SincFilter
,TriangleFilter
public interface Filter
Represents a multi-pixel image filter kernel.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description float
get(float x, float y)
Get value of the filter at offset (x, y).float
getSize()
Width in pixels of the filter extents.
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Method Detail
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getSize
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.- Returns:
- width in pixels
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get
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.- Parameters:
x
- x offset in pixelsy
- y offset in pixels- Returns:
- value of the filter at the specified location
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