cn.apiclub.captcha.filter.image

类 SphereFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.TransformFilter

cn.apiclub.captcha.filter.image.SphereFilter

所有已实现的接口:

BufferedImageOp, Cloneable

public class SphereFilter
extends TransformFilter

A filter which simulates a lens placed over an image.

字段概要

从类继承的字段 cn.apiclub.captcha.filter.image.TransformFilter

BILINEAR, CLAMP, edgeAction, interpolation, NEAREST_NEIGHBOUR, originalSpace, RGB_CLAMP, transformedSpace, WRAP, ZERO

构造器概要

构造器

构造器和说明
SphereFilter()

方法概要

方法

限定符和类型	方法和说明
BufferedImage	filter(BufferedImage src, BufferedImage dst)
Point2D	getCentre() Get the centre of the effect as a proportion of the image size.
float	getCentreX()
float	getCentreY() Get the centre of the effect in the Y direction as a proportion of the image size.
float	getRadius() Get the radius of the effect.
float	getRefractionIndex() Get the index of refaction.
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	setRadius(float r) Set the radius of the effect.
void	setRefractionIndex(float refractionIndex) Set the index of refaction.
String	toString()
protected void	transformInverse(int x, int y, float[] out) Inverse transform a point.

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

filterPixelsNN, getEdgeAction, getInterpolation, setEdgeAction, setInterpolation, transformSpace

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

SphereFilter

public SphereFilter()

方法详细资料

setRefractionIndex

public void setRefractionIndex(float refractionIndex)

Set the index of refaction.

参数:

refractionIndex - the index of refaction

另请参阅:

getRefractionIndex()

getRefractionIndex

public float getRefractionIndex()

Get the index of refaction.

返回:

the index of refaction

另请参阅:

setRefractionIndex(float)

setRadius

public void setRadius(float r)

Set the radius of the effect.

参数:

r - the radius

另请参阅:

getRadius()

getRadius

public float getRadius()

Get the radius of the effect.

返回:

the radius

另请参阅:

setRadius(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()

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)

filter

public BufferedImage filter(BufferedImage src,
                   BufferedImage dst)

指定者:

filter 在接口中 BufferedImageOp

覆盖:

filter 在类中 TransformFilter

transformInverse

protected void transformInverse(int x,
                    int y,
                    float[] out)

从类复制的说明: TransformFilter

Inverse transform a point. This method needs to be overriden by all subclasses.

指定者:

transformInverse 在类中 TransformFilter

参数:

x - the X position of the pixel in the output image

y - the Y position of the pixel in the output image

out - the position of the pixel in the input image

toString

public String toString()

覆盖:

toString 在类中 Object