程序包 org.meteoinfo.image.filter

类 DitherFilter

java.lang.Object

org.meteoinfo.image.filter.AbstractBufferedImageOp

org.meteoinfo.image.filter.PointFilter

org.meteoinfo.image.filter.DitherFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class DitherFilter
extends PointFilter

A filter which performs ordered dithering on an image.

字段概要

字段

限定符和类型	字段	说明
static int[]	dither90Halftone6x6Matrix	6x6 90 degree halftone.
static int[]	ditherCluster3Matrix	Order-3 clustered dither.
static int[]	ditherCluster4Matrix	Order-4 clustered dither.
static int[]	ditherCluster8Matrix	Order-8 clustered dither.
static int[]	ditherLines4x4Matrix	4x4 lines.
protected static int[]	ditherMagic2x2Matrix	2x2 magic square.
protected static int[]	ditherMagic4x4Matrix	4x4 magic square.
static int[]	ditherOrdered4x4Matrix	4x4 ordered dither.
static int[]	ditherOrdered6x6Matrix	Order-6 ordered dither.
static int[]	ditherOrdered8x8Matrix	Order-8 ordered dither.

从类继承的字段 org.meteoinfo.image.filter.PointFilter

canFilterIndexColorModel

构造器概要

构造器

构造器	说明
DitherFilter()	Constuct a DitherFilter.

方法概要

限定符和类型	方法	说明
int	filterRGB(int x, int y, int rgb)
boolean	getColorDither()	Get whether to use a color dither.
int	getLevels()	Get the number of dither levels.
int[]	getMatrix()	Get the dither matrix.
protected void	initialize()	Initialize the filter.
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.
String	toString()

从类继承的方法 org.meteoinfo.image.filter.AbstractBufferedImageOp

clone, createCompatibleDestImage, getBounds2D, getPoint2D, getRenderingHints, getRGB, setRGB

从类继承的方法 java.lang.Object

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

从类继承的方法 org.meteoinfo.image.filter.PointFilter

filter, setDimensions

字段详细资料

ditherMagic2x2Matrix

protected static final int[] ditherMagic2x2Matrix

2x2 magic square.

ditherMagic4x4Matrix

protected static final int[] ditherMagic4x4Matrix

4x4 magic square.

ditherOrdered4x4Matrix

public static final int[] ditherOrdered4x4Matrix

4x4 ordered dither.

ditherLines4x4Matrix

public static final int[] ditherLines4x4Matrix

4x4 lines.

dither90Halftone6x6Matrix

public static final int[] dither90Halftone6x6Matrix

6x6 90 degree halftone.

ditherOrdered6x6Matrix

public static final int[] ditherOrdered6x6Matrix

Order-6 ordered dither.

ditherOrdered8x8Matrix

public static final int[] ditherOrdered8x8Matrix

Order-8 ordered dither.

ditherCluster3Matrix

public static final int[] ditherCluster3Matrix

Order-3 clustered dither.

ditherCluster4Matrix

public static final int[] ditherCluster4Matrix

Order-4 clustered dither.

ditherCluster8Matrix

public static final int[] ditherCluster8Matrix

Order-8 clustered dither.

构造器详细资料

DitherFilter

public DitherFilter()

Constuct a DitherFilter.

方法详细资料

setMatrix

public void setMatrix(int[] matrix)

Set the dither matrix.

参数:

matrix - the dither matrix

另请参阅:

getMatrix()

getMatrix

public int[] getMatrix()

Get the dither matrix.

返回:

the dither matrix

另请参阅:

setMatrix(int[])

setLevels

public void setLevels(int levels)

Set the number of dither levels.

参数:

levels - the number of levels

另请参阅:

getLevels()

getLevels

public int getLevels()

Get the number of dither levels.

返回:

the number of levels

另请参阅:

setLevels(int)

setColorDither

public void setColorDither(boolean colorDither)

Set whether to use a color dither.

参数:

colorDither - whether to use a color dither

另请参阅:

getColorDither()

getColorDither

public boolean getColorDither()

Get whether to use a color dither.

返回:

whether to use a color dither

另请参阅:

getColorDither()

initialize

protected void initialize()

Initialize the filter.

filterRGB

public int filterRGB(int x,
                     int y,
                     int rgb)

指定者:

filterRGB 在类中 PointFilter

toString

public String toString()

覆盖:

toString 在类中 Object