java.lang.Object
- org.meteoinfo.image.filter.AbstractBufferedImageOp
- - org.meteoinfo.image.filter.FeedbackFilter

所有已实现的接口:

java.awt.image.BufferedImageOp, java.lang.Cloneable
```
public class FeedbackFilter
extends AbstractBufferedImageOp
```
A filter which priduces a video feedback effect by repeated transformations.

构造器概要

构造器
构造器	说明
`FeedbackFilter()`	Construct a FeedbackFilter.
`FeedbackFilter(float distance, float angle, float rotation, float zoom)`	Construct a FeedbackFilter.

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
`java.awt.image.BufferedImage`	`filter(java.awt.image.BufferedImage src, java.awt.image.BufferedImage dst)`
`float`	`getAngle()`	Returns the angle of each iteration.
`java.awt.geom.Point2D`	`getCentre()`	Get the centre of the effect as a proportion of the image size.
`float`	`getCentreX()`	Get the centre of the effect in the X direction as a proportion of the image size.
`float`	`getCentreY()`	Get the centre of the effect in the Y direction as a proportion of the image size.
`float`	`getDistance()`	Get the distance to move on each iteration.
`float`	`getEndAlpha()`	Get the alpha value at the last iteration.
`int`	`getIterations()`	Get the number of iterations.
`float`	`getRotation()`	Returns the amount of rotation on each iteration.
`float`	`getStartAlpha()`	Get the alpha value at the first iteration.
`float`	`getZoom()`	Returns the amount to scale on each iteration.
`void`	`setAngle(float angle)`	Specifies the angle of each iteration.
`void`	`setCentre(java.awt.geom.Point2D centre)`	Set the centre of the effect as a proportion of the image size.
`void`	`setCentreX(float centreX)`	Set the centre of the effect in the X direction as a proportion of the image size.
`void`	`setCentreY(float centreY)`	Set the centre of the effect in the Y direction as a proportion of the image size.
`void`	`setDistance(float distance)`	Specifies the distance to move on each iteration.
`void`	`setEndAlpha(float endAlpha)`	Set the alpha value at the last iteration.
`void`	`setIterations(int iterations)`	Set the number of iterations.
`void`	`setRotation(float rotation)`	Specifies the amount of rotation on each iteration.
`void`	`setStartAlpha(float startAlpha)`	Set the alpha value at the first iteration.
`void`	`setZoom(float zoom)`	Specifies the amount to scale on each iteration.
`java.lang.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

- 构造器详细资料
  - FeedbackFilter
```
public FeedbackFilter()
```
    Construct a FeedbackFilter.
  - FeedbackFilter
```
public FeedbackFilter(float distance,
                      float angle,
                      float rotation,
                      float zoom)
```
    Construct a FeedbackFilter.
    
    参数:
    
    distance - the distance to move on each iteration
    
    angle - the angle to move on each iteration
    
    rotation - the amount to rotate on each iteration
    
    zoom - the amount to scale on each iteration
- 方法详细资料
  - setAngle
```
public void setAngle(float angle)
```
    Specifies the angle of each iteration.
    
    参数:
    
    angle - the angle of each iteration.
    
    另请参阅:
    
    getAngle()
  - getAngle
```
public float getAngle()
```
    Returns the angle of each iteration.
    
    返回:
    
    the angle of each iteration.
    
    另请参阅:
    
    setAngle(float)
  - setDistance
```
public void setDistance(float distance)
```
    Specifies the distance to move on each iteration.
    
    参数:
    
    distance - the distance
    
    另请参阅:
    
    getDistance()
  - getDistance
```
public float getDistance()
```
    Get the distance to move on each iteration.
    
    返回:
    
    the distance
    
    另请参阅:
    
    setDistance(float)
  - setRotation
```
public void setRotation(float rotation)
```
    Specifies the amount of rotation on each iteration.
    
    参数:
    
    rotation - the angle of rotation
    
    另请参阅:
    
    getRotation()
  - getRotation
```
public float getRotation()
```
    Returns the amount of rotation on each iteration.
    
    返回:
    
    the angle of rotation
    
    另请参阅:
    
    setRotation(float)
  - setZoom
```
public void setZoom(float zoom)
```
    Specifies the amount to scale on each iteration.
    
    参数:
    
    zoom - the zoom factor
    
    另请参阅:
    
    getZoom()
  - getZoom
```
public float getZoom()
```
    Returns the amount to scale on each iteration.
    
    返回:
    
    the zoom factor
    
    另请参阅:
    
    setZoom(float)
  - setStartAlpha
```
public void setStartAlpha(float startAlpha)
```
    Set the alpha value at the first iteration.
    
    参数:
    
    startAlpha - the alpha value min-value 0 max-value 1
    
    另请参阅:
    
    getStartAlpha()
  - getStartAlpha
```
public float getStartAlpha()
```
    Get the alpha value at the first iteration.
    
    返回:
    
    the alpha value
    
    另请参阅:
    
    setStartAlpha(float)
  - setEndAlpha
```
public void setEndAlpha(float endAlpha)
```
    Set the alpha value at the last iteration.
    
    参数:
    
    endAlpha - the alpha value min-value 0 max-value 1
    
    另请参阅:
    
    getEndAlpha()
  - getEndAlpha
```
public float getEndAlpha()
```
    Get the alpha value at the last iteration.
    
    返回:
    
    the alpha value
    
    另请参阅:
    
    setEndAlpha(float)
  - setCentreX
```
public void setCentreX(float centreX)
```
    Set the centre of the effect in the X direction as a proportion of the image size.
    
    参数:
    
    centreX - the center
    
    另请参阅:
    
    getCentreX()
  - getCentreX
```
public float getCentreX()
```
    Get the centre of the effect in the X direction as a proportion of the image size.
    
    返回:
    
    the center
    
    另请参阅:
    
    setCentreX(float)
  - setCentreY
```
public void setCentreY(float centreY)
```
    Set the centre of the effect in the Y direction as a proportion of the image size.
    
    参数:
    
    centreY - the center
    
    另请参阅:
    
    getCentreY()
  - getCentreY
```
public float getCentreY()
```
    Get the centre of the effect in the Y direction as a proportion of the image size.
    
    返回:
    
    the center
    
    另请参阅:
    
    setCentreY(float)
  - setCentre
```
public void setCentre(java.awt.geom.Point2D centre)
```
    Set the centre of the effect as a proportion of the image size.
    
    参数:
    
    centre - the center
    
    另请参阅:
    
    getCentre()
  - getCentre
```
public java.awt.geom.Point2D getCentre()
```
    Get the centre of the effect as a proportion of the image size.
    
    返回:
    
    the center
    
    另请参阅:
    
    setCentre(java.awt.geom.Point2D)
  - setIterations
```
public void setIterations(int iterations)
```
    Set the number of iterations.
    
    参数:
    
    iterations - the number of iterations min-value 0
    
    另请参阅:
    
    getIterations()
  - getIterations
```
public int getIterations()
```
    Get the number of iterations.
    
    返回:
    
    the number of iterations
    
    另请参阅:
    
    setIterations(int)
  - filter
```
public java.awt.image.BufferedImage filter(java.awt.image.BufferedImage src,
                                           java.awt.image.BufferedImage dst)
```
  - toString
```
public java.lang.String toString()
```
    覆盖:
    
    toString 在类中 java.lang.Object

类 FeedbackFilter

构造器概要

方法概要

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

从类继承的方法 java.lang.Object

构造器详细资料

FeedbackFilter

FeedbackFilter

方法详细资料

setAngle

getAngle

setDistance

getDistance

setRotation

getRotation

setZoom

getZoom

setStartAlpha

getStartAlpha

setEndAlpha

getEndAlpha

setCentreX

getCentreX

setCentreY

getCentreY

setCentre

getCentre

setIterations

getIterations

filter

toString