UnsharpFilter (meteoinfo-image 4.0 API)

java.lang.Object
- org.meteoinfo.image.filter.AbstractBufferedImageOp
- - org.meteoinfo.image.filter.ConvolveFilter
  - - org.meteoinfo.image.filter.GaussianFilter
    - - org.meteoinfo.image.filter.UnsharpFilter

所有已实现的接口:

BufferedImageOp, Cloneable
```
public class UnsharpFilter
extends GaussianFilter
```
A filter which subtracts Gaussian blur from an image, sharpening it.

作者:

Jerry Huxtable

字段概要
- 从类继承的字段 org.meteoinfo.image.filter.GaussianFilter
  kernel, radius
- 从类继承的字段 org.meteoinfo.image.filter.ConvolveFilter
  alpha, CLAMP_EDGES, premultiplyAlpha, WRAP_EDGES, ZERO_EDGES

构造器概要

构造器
构造器说明

UnsharpFilter()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`BufferedImage`	`filter(BufferedImage src, BufferedImage dst)`
`float`	`getAmount()`	Get the amount of sharpening.
`int`	`getThreshold()`	Get the threshold value.
`void`	`setAmount(float amount)`	Set the amount of sharpening.
`void`	`setThreshold(int threshold)`	Set the threshold value.
`String`	`toString()`

从类继承的方法 org.meteoinfo.image.filter.GaussianFilter
convolveAndTranspose, getRadius, makeKernel, setRadius

从类继承的方法 org.meteoinfo.image.filter.ConvolveFilter
convolve, convolve, convolveH, convolveHV, convolveV, createCompatibleDestImage, getBounds2D, getEdgeAction, getKernel, getPoint2D, getPremultiplyAlpha, getRenderingHints, getUseAlpha, setEdgeAction, setKernel, setPremultiplyAlpha, setUseAlpha

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
  - UnsharpFilter
```
public UnsharpFilter()
```
- 方法详细资料
  - setThreshold
```
public void setThreshold(int threshold)
```
    Set the threshold value.
    
    参数:
    
    threshold - the threshold value
    
    另请参阅:
    
    getThreshold()
  - getThreshold
```
public int getThreshold()
```
    Get the threshold value.
    
    返回:
    
    the threshold value
    
    另请参阅:
    
    setThreshold(int)
  - setAmount
```
public void setAmount(float amount)
```
    Set the amount of sharpening.
    
    参数:
    
    amount - the amount min-value 0 max-value 1
    
    另请参阅:
    
    getAmount()
  - getAmount
```
public float getAmount()
```
    Get the amount of sharpening.
    
    返回:
    
    the amount
    
    另请参阅:
    
    setAmount(float)
  - filter
```
public BufferedImage filter(BufferedImage src,
                            BufferedImage dst)
```
    指定者:
    
    filter 在接口中 BufferedImageOp
    
    覆盖:
    
    filter 在类中 GaussianFilter
  - toString
```
public String toString()
```
    覆盖:
    
    toString 在类中 GaussianFilter