cn.apiclub.captcha.filter.image

类 FeedbackFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.FeedbackFilter

所有已实现的接口:

BufferedImageOp, 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

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

方法概要

方法

限定符和类型	方法和说明
BufferedImage	filter(BufferedImage src, BufferedImage dst)
float	getAngle() Returns the angle of each iteration.
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(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.
String	toString()

从类继承的方法 cn.apiclub.captcha.filter.image.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

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

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(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 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

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 BufferedImage filter(BufferedImage src,
                   BufferedImage dst)

toString

public String toString()

覆盖:

toString 在类中 Object