ContrastFilter (meteoinfo-image 4.0 API)

java.lang.Object
- org.meteoinfo.image.filter.AbstractBufferedImageOp
- - org.meteoinfo.image.filter.PointFilter
  - - org.meteoinfo.image.filter.TransferFilter
    - - org.meteoinfo.image.filter.ContrastFilter

所有已实现的接口:

BufferedImageOp, Cloneable
```
public class ContrastFilter
extends TransferFilter
```
A filter to change the brightness and contrast of an image.

字段概要
- 从类继承的字段 org.meteoinfo.image.filter.TransferFilter
  bTable, gTable, initialized, rTable
- 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

ContrastFilter()

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
`float`	`getBrightness()`	Get the filter brightness.
`float`	`getContrast()`	Get the filter contrast.
`void`	`setBrightness(float brightness)`	Set the filter brightness.
`void`	`setContrast(float contrast)`	Set the filter contrast.
`String`	`toString()`
`protected float`	`transferFunction(float f)`

从类继承的方法 org.meteoinfo.image.filter.TransferFilter
filter, filterRGB, getLUT, initialize, makeTable

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

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

- 构造器详细资料
  - ContrastFilter
```
public ContrastFilter()
```
- 方法详细资料
  - transferFunction
```
protected float transferFunction(float f)
```
    覆盖:
    
    transferFunction 在类中 TransferFilter
  - setBrightness
```
public void setBrightness(float brightness)
```
    Set the filter brightness.
    
    参数:
    
    brightness - the brightness in the range 0 to 1 min-value 0 max-value 0
    
    另请参阅:
    
    getBrightness()
  - getBrightness
```
public float getBrightness()
```
    Get the filter brightness.
    
    返回:
    
    the brightness in the range 0 to 1
    
    另请参阅:
    
    setBrightness(float)
  - setContrast
```
public void setContrast(float contrast)
```
    Set the filter contrast.
    
    参数:
    
    contrast - the contrast in the range 0 to 1 min-value 0 max-value 0
    
    另请参阅:
    
    getContrast()
  - getContrast
```
public float getContrast()
```
    Get the filter contrast.
    
    返回:
    
    the contrast in the range 0 to 1
    
    另请参阅:
    
    setContrast(float)
  - toString
```
public String toString()
```
    覆盖:
    
    toString 在类中 Object