Java Picture Center cropping

The code is as follows

<span style= "FONT-SIZE:18PX;" >package com.model;import java.awt.rectangle;import Java.awt.image.bufferedimage;import java.io.File;import Java.io.fileinputstream;import Java.io.ioexception;import Java.util.iterator;import Javax.imageio.ImageIO;import Javax.imageio.imagereadparam;import Javax.imageio.imagereader;import Javax.imageio.stream.ImageInputStream;    public class Images {//= = = Source Picture path name Private String Srcpath;    = = = Cut Picture store path name Private String subpath;    = = = Cut point x coordinate private int x;    private int y;    = = = Shear point width private int width;      private int height;        Public Images () {} public Images (int x, int y, int width, int height) {this.x = x;        This.y = y;        This.width = width;    This.height = height;     }/** * Crop the picture and save the cropped new picture.        */public void cut () throws IOException {FileInputStream is = null;        Imageinputstream IIS = NULL; try {//Read picture file is = new FileInputStream (srcpath); /** * Returns Iterator that contain all currently registered ImageReader, which ImageReader * claim to decode the specified format.             Parameter: FormatName-contains the informal format name.             * (for example, "JPEG" or "TIFF").            */iterator<imagereader> it = ImageIO. Getimagereadersbyformatname ("JPG");            ImageReader reader = It.next ();            Get Picture Stream IIS = Imageio.createimageinputstream (IS); /** * IIS: Read source.             True: Search forward only * to mark it as ' search forward only '.             * This setting means that images contained in the input source will be read only sequentially and may allow reader * to avoid caching those input parts that contain data associated with previously read images.            */Reader.setinput (IIS, True);             /** * <p> * Description of how the stream is decoded by class * <p> * for specifying how to input from Java Image I/O * Flow in the context of a frame in exchange for an image or a set of images.             The plug-in for a particular image format * will return an instance of * Imagereadparam from the Getdefaultreadparam method implemented by its imagereader.        */Imagereadparam param = Reader.getdefaultreadparam ();    /** * Picture clipping area.             Rectangle specifies an area in the coordinate space that can be defined by the coordinates (x, y), width, and height of the upper-left vertex of the Rectangle object *.            */Rectangle rect = new Rectangle (x, y, width, height);            Provides a bufferedimage that is used as the target for decoding pixel data.            Param.setsourceregion (rect);             /** * Reads the specified object by index ImageIndex using the provided imagereadparam and returns * it as a full bufferedimage.            */BufferedImage bi = reader.read (0, param);        Save the new Image Imageio.write (bi, "JPG", "subpath");            } finally {if (is = null) is.close ();        if (IIS! = null) iis.close ();    }} public int getheight () {return height;    } public void setheight (int height) {this.height = height;    } public String Getsrcpath () {return srcpath;    } public void Setsrcpath (String srcpath) {this.srcpath = Srcpath;      } public String Getsubpath () {  return subpath;    } public void Setsubpath (String subpath) {this.subpath = subpath;    } public int getwidth () {return width;    } public void SetWidth (int width) {this.width = width;    } public int GetX () {return x;    } public void SetX (int x) {this.x = x;    } public int GetY () {return y;    } public void sety (int y) {this.y = y;        public static void Main (string[] args) throws Exception {String name = "E:\\java.jpg";        Images o = new Images (180, 180, 180, 180);        O.setsrcpath (name);        O.setsubpath ("f:\\ios.jpg");    O.cut (); }}</span>

Note: Detailed information is in the Java Tutorial Web

Java Picture Center cropping