cn.apiclub.captcha.filter.image

类 WholeImageFilter

java.lang.Object

cn.apiclub.captcha.filter.image.AbstractBufferedImageOp

cn.apiclub.captcha.filter.image.WholeImageFilter

所有已实现的接口:

BufferedImageOp, Cloneable

直接已知子类:

BinaryFilter, CausticsFilter, CellularFilter, ContourFilter, DespeckleFilter, DiffusionFilter, EdgeFilter, EmbossFilter, EqualizeFilter, Flush3DFilter, LevelsFilter, LightFilter, MaximumFilter, MedianFilter, MinimumFilter, OilFilter, PlasmaFilter, QuantizeFilter, QuiltFilter, ReduceNoiseFilter, ShadeFilter, ShapeFilter, SmearFilter, WarpFilter

public abstract class WholeImageFilter
extends AbstractBufferedImageOp

A filter which acts as a superclass for filters which need to have the whole image in memory to do their stuff.

字段概要

字段

限定符和类型	字段和说明
protected Rectangle	originalSpace The input image bounds.
protected Rectangle	transformedSpace The output image bounds.

构造器概要

构造器

构造器和说明
WholeImageFilter() Construct a WholeImageFilter.

方法概要

方法

限定符和类型	方法和说明
BufferedImage	filter(BufferedImage src, BufferedImage dst)
protected abstract int[]	filterPixels(int width, int height, int[] inPixels, Rectangle transformedSpace) Actually filter the pixels.
protected void	transformSpace(Rectangle rect) Calculate output bounds for given input bounds.

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, toString, wait, wait, wait

字段详细资料

transformedSpace

protected Rectangle transformedSpace

The output image bounds.

originalSpace

protected Rectangle originalSpace

The input image bounds.

构造器详细资料

WholeImageFilter

public WholeImageFilter()

Construct a WholeImageFilter.

方法详细资料

filter

public BufferedImage filter(BufferedImage src,
                   BufferedImage dst)

transformSpace

protected void transformSpace(Rectangle rect)

Calculate output bounds for given input bounds.

参数:

rect - input and output rectangle

filterPixels

protected abstract int[] filterPixels(int width,
                 int height,
                 int[] inPixels,
                 Rectangle transformedSpace)

Actually filter the pixels.

参数:

width - the image width

height - the image height

inPixels - the image pixels

transformedSpace - the output bounds

返回:

the output pixels