imageoperate.java水印.txt

gif动画压缩

import java.awt.*;  
import java.awt.image.*;  
import javax.imageio.ImageIO;  
import javax.imageio.ImageIO.*;  
import javax.imageio.IIOException;  
import java.io.*;  
import com.sun.image.codec.jpeg.JPEGCodec;  
import com.sun.image.codec.jpeg.JPEGImageEncoder;  
import javax.servlet.http.HttpSession;   
//引入类  
// 图片操作，改变大小加水印  
public class ImageOperate {  
/**  
* 给图片加水印，但不改变大小  
* @param strOriginalFileName String(原始文件)  就是水印原始文件
* @param strWaterMarkFileName String(水印文件)  
*/  
//水印方法实现  
	//public void waterMark(String strOriginalFileName,String strWaterMarkFileName,HttpSession  session){  
		public void waterMark(String strOriginalFileName,String strWaterMarkFileName){ 
		try{  
//源文件  
				//String root=session.getServletContext().getRealPath("/");  
				//File fileOriginal = new File(root+strOriginalFileName);
				File fileOriginal = new File(strOriginalFileName);   
				Image imageOriginal = ImageIO.read(fileOriginal);  
				int widthOriginal = imageOriginal.getWidth(null);  
				int heightOriginal = imageOriginal.getHeight(null);  
				System.out.println("widthOriginal:" + widthOriginal + "theightOriginal:" + heightOriginal);  
				BufferedImage bufImage = new BufferedImage(widthOriginal,heightOriginal,BufferedImage.TYPE_INT_RGB);  
				Graphics g = bufImage.createGraphics();  
				g.drawImage(imageOriginal,0,0,widthOriginal,heightOriginal,null);  
				//水印文件  
				//File fileWaterMark = new File(root+strWaterMarkFileName);  
				File fileWaterMark = new File(strWaterMarkFileName);  
				Image imageWaterMark = ImageIO.read(fileWaterMark);  
				int widthWaterMark = imageWaterMark.getWidth(null);  
				int heightWaterMark = imageWaterMark.getHeight(null);  
				System.out.println("widthWaterMark:" + widthWaterMark + "theightWaterMark:" + heightWaterMark);  
				//水印文件在源文件的右下角  
				g.drawImage(imageWaterMark,widthOriginal - widthWaterMark,heightOriginal - heightWaterMark,widthWaterMark,heightWaterMark,null);  
				g.dispose();  
				//FileOutputStream fos = new FileOutputStream( root+strOriginalFileName);
				FileOutputStream fos = new FileOutputStream(strOriginalFileName);    
				JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(fos);  
				encoder.encode(bufImage);  
				fos.flush();  
				fos.close();  
				fos = null;  
			}  
			catch(Exception e)  
			{  
				e.printStackTrace();  
			}  
	}
	public static void main(String[] args){
			new ImageOperate().waterMark("c:/java/2.jpg","c:/java/2.gif");
	}
}