Import Java.awt.Graphics;
import Java.awt.Image;
import Java.awt.image.BufferedImage;
import Java.awt.image.ImageObserver;
import Java.io.File;
import Java.io.FileFilter;
import Java.io.FileInputStream;
import Java.io.FileOutputStream;
import Java.io.FileWriter;
import java.io.IOException;
import Java.io.InputStream;
import Com.sun.image.codec.jpeg.JPEGCodec;
import Com.sun.image.codec.jpeg.JPEGImageDecoder;
import Com.sun.image.codec.jpeg.JPEGImageEncoder;
public class Zoom {
String Srcpath;
StringBuffer html;
int count;
public Zoom (String srcpath) {
This.srcpath = Srcpath;
init ();
}
public void Zoom (File input) {
//Position of output
String output = Getoutputpath ();
try {
InputStream imagestream = new FileInputStream (input);
//Create a cached picture based on the target picture
Jpegimagedecoder decoderfile = Jpegcodec.createjpegdecoder (ImageStream);
BufferedImage imagefile = Decoderfile.decodeasbufferedimage ();
float zoom = 0.12F; You want to square the proportion
//Get the width of the target picture, and times the scaling ratio to get the new picture size
int w = (int) (Imagefile.getwidth () * zoom);
int h = (int) (Imagefile.getheight () * zoom);
//Create a cached picture of a new picture
bufferedimage bufimage = new BufferedImage (W, H, Bufferedimage.type_int_rgb);
String zoomfile = output + "/zooms_" + input.getname ();
FileOutputStream out = new FileOutputStream (zoomfile);
//From the target picture to get graphics to draw on the new picture, the last parameter is an internal nameless class, you can use NULL instead of
Graphics g = bufimage.getgraphics ();
G.drawimage (imagefile, 0, 0, W, H, new ImageObserver () {
public boolean imageupdate (Image img, int infoflags, int x, int y, int width, int height) {
return true;
}
});
//encoded output
jpegimageencoder jpeg = Jpegcodec.createjpegencoder (out);
Jpeg.encode (bufimage);
Out.flush ();
Out.close ();
Imagestream.close ();
int row = count% 3;
if (row = = 0) {
html.append ("/n/t<tr>");
}
html.append ("/n/t/t<td align= ' center ' ><a href= '"). Append (Input.getname ()). Append ("' target= ' _blank ')" > ");
html.append ("<img src= ' Zoom" + "/zooms_" + input.getname () + "' border= ' 0 ' ><br>");
Html.append (Input.getname () + "</a></td>");
if (row = = 2) {
html.append ("/n/t</tr>");
}
count++;
} catch (Exception e) {
E.printstacktrace ();
}
}
public void process () {
file[] files = GetFiles ();
mkdirs ();
for (int i = 0; i < files.length; i++) {
Zoom (files[i]);
}
Trail ();
Outputhtmlfile ();
}
Private file[] GetFiles () {
file Path = new file (Srcpath);
file[] files = path.listfiles (new FileFilter () {
public Boolean accept (File pathname) {
if (pathname = null)
return false;
String ext = pathname.getname (). substring (Pathname.getname (). LastIndexOf (".") + 1). toUpperCase ();
return Ext.equals ("JPG") | | Ext.equals ("JPEG");
}
});
return files;
}
private void Mkdirs () {
file Zoompath = new file (Getoutputpath ());
Zoompath.mkdirs ();
}
private String Getoutputpath () {
return Srcpath + "/zoom";
}
private void Init () {
count = 0;
html = new StringBuffer ();
html.append ("<html>");
html.append ("/n<head>");
html.append ("/n<meta http-equiv=/" content-type/"content=/" text/html; charset=gb2312/">");
html.append ("/n<title>"). Append (Getdirname ()). Append ("</title>");
html.append ("/n</head>");
html.append ("/n/n<body>");
html.append ("/n<table width= ' 75% ' border= ' 1 ' >");
}
private void Trail () {
int row = count% 3;
if (row = = 0) {
Html.append ("/n/t/t<td>&nbsp;</td>");
}
if (row = = 1) {
html.append ("/n/t/t<td>&nbsp;</td>");
html.append ("/n/t/t<td>&nbsp;</td>");
}
html.append ("/n/t</tr>");
html.append ("/n</table>");
html.append ("/n</body>");
html.append ("/n</html>");
}
private String Getdirname () {
if (Srcpath.endswith ("/")) {
Srcpath = srcpath.substring (0, Srcpath.length ()-1);
}
return srcpath.substring (Srcpath.lastindexof ("/") + 1);
}
private void Outputhtmlfile () {
FileWriter writer = null;
try {
file Htmlfile = new file (Srcpath + "/index.html");
writer = new FileWriter (Srcpath + "/index.html");
Writer.write (Html.tostring ());
Writer.flush ();
} catch (IOException e) {
E.printstacktrace ();
} finally {
if (writer!= null) {
try {
Writer.close ();
} catch (IOException E1) {
E1.printstacktrace ();
}
}
}
}
public static void Main (string[] args) {
String srcpath = args[0];
if (srcpath==null) {
Printhelp ();
return;
}
Zoom Zoom = new Zoom (Srcpath);
zoom.process ();
}
public static void Printhelp () {
System.out.println ("Usage:java Zoom <FILEPATH>");
}
}
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