Package helma.image
Class DiffusionFilterOp
- java.lang.Object
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- helma.image.DiffusionFilterOp
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- All Implemented Interfaces:
java.awt.image.BufferedImageOp
public class DiffusionFilterOp extends java.lang.Object implements java.awt.image.BufferedImageOp
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Field Summary
Fields Modifier and Type Field Description protected static int[]
diffusionMatrix
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Constructor Summary
Constructors Constructor Description DiffusionFilterOp()
Construct a DiffusionFilter
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.awt.image.BufferedImage
createCompatibleDestImage(java.awt.image.BufferedImage src, java.awt.image.ColorModel destCM)
java.awt.image.BufferedImage
filter(java.awt.image.BufferedImage src, java.awt.image.BufferedImage dst)
Do the filter operationjava.awt.geom.Rectangle2D
getBounds2D(java.awt.image.BufferedImage src)
int[]
getMatrix()
java.awt.geom.Point2D
getPoint2D(java.awt.geom.Point2D srcPt, java.awt.geom.Point2D dstPt)
java.awt.RenderingHints
getRenderingHints()
boolean
getSerpentine()
Return the serpentine settingvoid
setMatrix(int[] matrix)
void
setSerpentine(boolean serpentine)
Set whether to use a serpentine pattern for return or not.
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Method Detail
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setSerpentine
public void setSerpentine(boolean serpentine)
Set whether to use a serpentine pattern for return or not. This can reduce 'avalanche' artifacts in the output.- Parameters:
serpentine
- true to use serpentine pattern
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getSerpentine
public boolean getSerpentine()
Return the serpentine setting- Returns:
- the current setting
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setMatrix
public void setMatrix(int[] matrix)
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getMatrix
public int[] getMatrix()
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filter
public java.awt.image.BufferedImage filter(java.awt.image.BufferedImage src, java.awt.image.BufferedImage dst)
Do the filter operation- Specified by:
filter
in interfacejava.awt.image.BufferedImageOp
- Parameters:
src
- The source BufferedImage. Can be any type.dst
- The destination image. If not null, must be of type TYPE_BYTE_INDEXED- Returns:
- A dithered version of src in a BufferedImage of type TYPE_BYTE_INDEXED
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createCompatibleDestImage
public java.awt.image.BufferedImage createCompatibleDestImage(java.awt.image.BufferedImage src, java.awt.image.ColorModel destCM)
- Specified by:
createCompatibleDestImage
in interfacejava.awt.image.BufferedImageOp
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getRenderingHints
public java.awt.RenderingHints getRenderingHints()
- Specified by:
getRenderingHints
in interfacejava.awt.image.BufferedImageOp
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getPoint2D
public java.awt.geom.Point2D getPoint2D(java.awt.geom.Point2D srcPt, java.awt.geom.Point2D dstPt)
- Specified by:
getPoint2D
in interfacejava.awt.image.BufferedImageOp
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getBounds2D
public java.awt.geom.Rectangle2D getBounds2D(java.awt.image.BufferedImage src)
- Specified by:
getBounds2D
in interfacejava.awt.image.BufferedImageOp
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