程序包 org.meteoinfo.image.filter

类 VariableBlurFilter

java.lang.Object

org.meteoinfo.image.filter.AbstractBufferedImageOp

org.meteoinfo.image.filter.VariableBlurFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class VariableBlurFilter
extends AbstractBufferedImageOp

A filter which performs a box blur with a different blur radius at each pixel. The radius can either be specified by providing a blur mask image or by overriding the blurRadiusAt method.

构造器概要

构造器

构造器	说明
VariableBlurFilter()

方法概要

限定符和类型	方法	说明
void	blur(int[] in, int[] out, int width, int height, int radius, int pass)
protected float	blurRadiusAt(int x, int y, int width, int height)	Override this to get a different blur radius at eahc point.
BufferedImage	createCompatibleDestImage(BufferedImage src, ColorModel dstCM)
BufferedImage	filter(BufferedImage src, BufferedImage dst)
BufferedImage	getBlurMask()	Get the mask used to give the amount of blur at each point.
Rectangle2D	getBounds2D(BufferedImage src)
int	getHRadius()	Get the horizontal size of the blur.
int	getIterations()	Get the number of iterations the blur is performed.
Point2D	getPoint2D(Point2D srcPt, Point2D dstPt)
boolean	getPremultiplyAlpha()	Get whether to premultiply the alpha channel.
int	getRadius()	Get the radius of the effect.
RenderingHints	getRenderingHints()
int	getVRadius()	Get the vertical size of the blur.
void	setBlurMask(BufferedImage blurMask)	Set the mask used to give the amount of blur at each point.
void	setHRadius(int hRadius)	Set the horizontal size of the blur.
void	setIterations(int iterations)	Set the number of iterations the blur is performed.
void	setPremultiplyAlpha(boolean premultiplyAlpha)	Set whether to premultiply the alpha channel.
void	setRadius(int radius)	Set the radius of the effect.
void	setVRadius(int vRadius)	Set the vertical size of the blur.
String	toString()

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

clone, getRGB, setRGB

从类继承的方法 java.lang.Object

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

构造器详细资料

VariableBlurFilter

public VariableBlurFilter()

方法详细资料

setPremultiplyAlpha

public void setPremultiplyAlpha(boolean premultiplyAlpha)

Set whether to premultiply the alpha channel.

参数:

premultiplyAlpha - true to premultiply the alpha

另请参阅:

getPremultiplyAlpha()

getPremultiplyAlpha

public boolean getPremultiplyAlpha()

Get whether to premultiply the alpha channel.

返回:

true to premultiply the alpha

另请参阅:

setPremultiplyAlpha(boolean)

filter

public BufferedImage filter(BufferedImage src,
                            BufferedImage dst)

createCompatibleDestImage

public BufferedImage createCompatibleDestImage(BufferedImage src,
                                               ColorModel dstCM)

指定者:

createCompatibleDestImage 在接口中 BufferedImageOp

覆盖:

createCompatibleDestImage 在类中 AbstractBufferedImageOp

getBounds2D

public Rectangle2D getBounds2D(BufferedImage src)

指定者:

getBounds2D 在接口中 BufferedImageOp

覆盖:

getBounds2D 在类中 AbstractBufferedImageOp

getPoint2D

public Point2D getPoint2D(Point2D srcPt,
                          Point2D dstPt)

指定者:

getPoint2D 在接口中 BufferedImageOp

覆盖:

getPoint2D 在类中 AbstractBufferedImageOp

getRenderingHints

public RenderingHints getRenderingHints()

指定者:

getRenderingHints 在接口中 BufferedImageOp

覆盖:

getRenderingHints 在类中 AbstractBufferedImageOp

blur

public void blur(int[] in,
                 int[] out,
                 int width,
                 int height,
                 int radius,
                 int pass)

blurRadiusAt

protected float blurRadiusAt(int x,
                             int y,
                             int width,
                             int height)

Override this to get a different blur radius at eahc point.

参数:

x - the x coordinate

y - the y coordinate

width - the width of the image

height - the height of the image

返回:

the blur radius

setHRadius

public void setHRadius(int hRadius)

Set the horizontal size of the blur.

参数:

hRadius - the radius of the blur in the horizontal direction min-value 0

另请参阅:

getHRadius()

getHRadius

public int getHRadius()

Get the horizontal size of the blur.

返回:

the radius of the blur in the horizontal direction

另请参阅:

setHRadius(int)

setVRadius

public void setVRadius(int vRadius)

Set the vertical size of the blur.

参数:

vRadius - the radius of the blur in the vertical direction min-value 0

另请参阅:

getVRadius()

getVRadius

public int getVRadius()

Get the vertical size of the blur.

返回:

the radius of the blur in the vertical direction

另请参阅:

setVRadius(int)

setRadius

public void setRadius(int radius)

Set the radius of the effect.

参数:

radius - the radius min-value 0

另请参阅:

getRadius()

getRadius

public int getRadius()

Get the radius of the effect.

返回:

the radius

另请参阅:

setRadius(int)

setIterations

public void setIterations(int iterations)

Set the number of iterations the blur is performed.

参数:

iterations - the number of iterations min-value 0

另请参阅:

getIterations()

getIterations

public int getIterations()

Get the number of iterations the blur is performed.

返回:

the number of iterations

另请参阅:

setIterations(int)

setBlurMask

public void setBlurMask(BufferedImage blurMask)

Set the mask used to give the amount of blur at each point.

参数:

blurMask - the mask

另请参阅:

getBlurMask()

getBlurMask

public BufferedImage getBlurMask()

Get the mask used to give the amount of blur at each point.

返回:

the mask

另请参阅:

setBlurMask(java.awt.image.BufferedImage)

toString

public String toString()

覆盖:

toString 在类中 Object