Image watermark and thumbnail image

Simply modify the image path in the main method to debug or run the

Import Javax.imageio.ImageIO;
Import Javax.swing.Icon;
Import Javax.swing.ImageIcon;

Import Com.sun.image.codec.jpeg.JPEGCodec;
Import Com.sun.image.codec.jpeg.JPEGEncodeParam;
Import Com.sun.image.codec.jpeg.JPEGImageEncoder;
Import java.text.AttributedString;
Import Java.awt.Color;
Import Java.awt.Font;
Import Java.awt.Graphics2D;
Import Java.awt.Image;
Import Java.awt.font.TextAttribute;
Import Java.awt.geom.AffineTransform;
Import java.awt.image.AffineTransformOp;
Import Java.awt.image.BufferedImage;
Import Java.io.File;
Import Java.io.FileOutputStream;
Import Java.text.AttributedCharacterIterator;

public class Imagehandle {

Public Imagehandle () {

}

/**
* Add watermark to the image (only jpeg/jpg format is supported)
*
* @param FilePath
* The path of the picture that needs to be added watermark
* @param markcontent
* Watermark Text
* @param markcontentcolor
* Color of watermark Text
* @param qualnum
* Picture quality
* @param fonttype
* Font
* @param fontsize
* Font Size
* @return Boolean
*/
public boolean Createmark (String FilePath, String markcontent,
Color Markcontentcolor, float qualnum, String fonttype, int fontSize) {

ImageIcon Imgicon = new ImageIcon (FilePath);
Image theimg = Imgicon.getimage ();
int width = theimg.getwidth (null);
int height = theimg.getheight (null);

BufferedImage bimage = new BufferedImage (width, height,bufferedimage.type_int_rgb);
Graphics2D g = bimage.creategraphics ();
G.setcolor (Markcontentcolor);
G.setbackground (Color.White);
G.drawimage (theimg, 0, 0, NULL);

attributedstring ATS = new attributedstring (markcontent);
Font f = new Font (Fonttype, Font.Bold, fontSize);
Ats.addattribute (Textattribute.font, F, 0, markcontent.length ());
Attributedcharacteriterator iter = Ats.getiterator ();

g.DrawString (Iter,0,f.getsize ()); Add watermark text and set the location where the watermark text appears (upper left corner)
G.dispose ();

  try {
   fileoutputstream out = new FileOutputStream (filePath);
   jpegimageencoder encoder = Jpegcodec.createjpegencoder (out);
   jpegencodeparam param = Encoder.getdefaultjpegencodeparam (bimage);
   param.setquality (Qualnum, true);
   encoder.encode (bimage, param);
   out.close ();
  } catch (Exception e) {
   return false;
  }
  return true;
 }

/**
* Create thumbnails of images
*
* @param FilePath
* Path of the picture
* @param width
* The width of the thumbnail you want to generate
* @param height
* The height of the thumbnail you want to generate
* @return Icon
*/
Public Icon Createfixedboundicon (String filePath, int width, int height)
Throws Exception {

File F = new file (FilePath);
Double Ratio = 0.0; Zoom ratio

if (! F.isfile ())
throw New Exception (F
+ "is not an image file error in getfixedboundicon!");

Icon icon = new ImageIcon (FilePath);
BufferedImage Bi = Imageio.read (F);

if ((Bi.getheight () > height) | | (Bi.getwidth () > width)) {
if (Bi.getheight () > Bi.getwidth ()) {
Ratio = (new Integer (height)). Doublevalue ()/bi.getheight ();
} else {
Ratio = (new Integer (width)). Doublevalue ()/bi.getwidth ();
}
int lastlength = Filepath.lastindexof (".");
String Subfilepath = filepath.substring (0, lastlength);

String Filename=this. GetFileName (Subfilepath);//The file name of the picture
String filetypes=filepath.substring (lastlength+1); Type of picture
File Zoomfile = new File (subfilepath+ "_" +filename+ ".") +filetypes);//The full path of the picture
Image Itemp = bi.getscaledinstance (width, height, image.scale_smooth);
Affinetransformop op = new Affinetransformop (affinetransform
. Getscaleinstance (Ratio, Ratio), NULL);
Itemp = Op.filter (Bi, NULL);

try {
Imageio.write ((bufferedimage) Itemp, "JPG", zoomfile);
icon = new ImageIcon (Zoomfile.getpath ()); Setting the Output path
} catch (Exception ex) {
Ex.printstacktrace ();
}
}
return icon;
}

/**
* Get filename in file path
*
* @param FilePath
* Path of the file
* @return String
*/
public string GetFileName (string filepath) {

String returnstr = "*. *";
int length = Filepath.trim (). Length ();

filepath = Filepath.replace ('//', '/');
if (length > 0) {
int i = Filepath.lastindexof ("/");
if (I >= 0) {
filepath = filepath.substring (i + 1);
RETURNSTR = filepath;
}
}
return returnstr;
}


public static void Main (string[] args)
{
Imagehandle wm = new Imagehandle ();
try{
Wm.createmark ("G://q1.jpg", "registered trademark", color.blue,5f, "Song Body", 12);
System.out.println ("adds a watermark to the picture!");
Wm.createfixedboundicon ("G://q3.gif", 128,128);
System.out.println ("generated thumbnails for pictures!");
}catch (Exception e) {
E.printstacktrace ();
}
}

}