Package com.jhlabs.image
Class DiffusionFilter
java.lang.Object
com.jhlabs.image.AbstractBufferedImageOp
com.jhlabs.image.WholeImageFilter
com.jhlabs.image.DiffusionFilter
- All Implemented Interfaces:
BufferedImageOp
,Cloneable
A filter which uses Floyd-Steinberg error diffusion dithering to halftone an image.
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Field Summary
Fields inherited from class com.jhlabs.image.WholeImageFilter
originalSpace, transformedSpace
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected int[]
filterPixels
(int width, int height, int[] inPixels, Rectangle transformedSpace) Actually filter the pixels.boolean
Get whether to use a color dither.int
Get the number of dither levels.int[]
Get the dither matrix.boolean
Return the serpentine setting.void
setColorDither
(boolean colorDither) Set whether to use a color dither.void
setLevels
(int levels) Set the number of dither levels.void
setMatrix
(int[] matrix) Set the dither matrix.void
setSerpentine
(boolean serpentine) Set whether to use a serpentine pattern for return or not.toString()
Methods inherited from class com.jhlabs.image.WholeImageFilter
filter, transformSpace
Methods inherited from class com.jhlabs.image.AbstractBufferedImageOp
clone, createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB
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Constructor Details
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DiffusionFilter
public DiffusionFilter()Construct a DiffusionFilter.
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Method Details
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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- See Also:
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getSerpentine
public boolean getSerpentine()Return the serpentine setting.- Returns:
- the current setting
- See Also:
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setColorDither
public void setColorDither(boolean colorDither) Set whether to use a color dither.- Parameters:
colorDither
- true to use a color dither- See Also:
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getColorDither
public boolean getColorDither()Get whether to use a color dither.- Returns:
- true to use a color dither
- See Also:
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setMatrix
public void setMatrix(int[] matrix) Set the dither matrix.- Parameters:
matrix
- the dither matrix- See Also:
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getMatrix
public int[] getMatrix()Get the dither matrix.- Returns:
- the dither matrix
- See Also:
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setLevels
public void setLevels(int levels) Set the number of dither levels.- Parameters:
levels
- the number of levels- See Also:
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getLevels
public int getLevels()Get the number of dither levels.- Returns:
- the number of levels
- See Also:
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filterPixels
Description copied from class:WholeImageFilter
Actually filter the pixels.- Specified by:
filterPixels
in classWholeImageFilter
- Parameters:
width
- the image widthheight
- the image heightinPixels
- the image pixelstransformedSpace
- the output bounds- Returns:
- the output pixels
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toString
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