Java Picture Crop Processing tool class code

before cutting:  

Original: Java Picture Crop processing tool class code

Source code: Http://www.zuidaima.com/share/1550463351786496.htm

After cut:

Package Com.zuidaima.zhangjun.image;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;/*** @author Www.zuidaima.com**/public class Operateimage {//= = = Source picture path name such as: \ C 1.jpgprivate String srcpath;//= = = Cut Picture holds the path name. Example: c:\2.jpgprivate String subpath;//= = = Cut point x coordinate private int x;private int y;//= = Clipping point width private int width;private int height;p Ublic operateimage () {}public operateimage (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 Filei Nputstream (Srcpath);/** * Returns Iterator containing all currently registered ImageReader, which claim to be able to decode the specified format. Parameter: FormatName-contains the informal format name. *(such as "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> * class describing how the stream is decoded * <p> * is used to specify how to change the flow of an image or a group of images from the context of the Java Image I/O framework at input. Like. 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 complete bufferedimage. */bufferedimage bi = reader.read (0, param);//Save new picture Imageio.write (bi, "JPG", new File (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 = "D:\\zuidaima\\image.jpg"; operateimage o = new Oper Ateimage (5, +), O.setsrcpath (name), O.setsubpath ("f:\\zuidaima\\3.jpg"); O.cut ();}}

Java Picture Crop Processing tool class code