자바 워 터 마크 도구 류

public class ImageAddWaterMark {
        
        public static void main(String[] args) {
                File originImgFile = new File("D:/originImage.jpg");
                File watermarkImgFile = new File("D:/watermarkImage.jpg");
                File targetImgFile = new File("D:/targetImage.jpg");
                addWatermark(originImgFile,watermarkImgFile,targetImgFile);
        }
        
        /**
     *       
     * @param originImgFile   
     * @param watermarkImgFile    
     * @param targetImgFile     
     */
    public static File addWatermark(File originImgFile,File watermarkImgFile,File targetImgFile){
        FileOutputStream fileOutputStream = null;
        try {
            //  
            Image originImage = ImageIO.read(originImgFile);
            int originWidth = originImage.getWidth(null);//   
            int originHeight = originImage.getHeight(null);//   
            //      ,           8  RGB    .(              )
            BufferedImage image = new BufferedImage(originWidth,originHeight,BufferedImage.TYPE_INT_RGB);
            Graphics g = image.createGraphics();//  Graphics   BufferedImage
            g.drawImage(originImage,0,0,originWidth,originHeight,null);//     
            
            //   
            Image waterMarkImage = ImageIO.read(watermarkImgFile);
            int waterMarkWidth = waterMarkImage.getWidth(null);//    
            int waterMarkHeight = waterMarkImage.getHeight(null);//    
            //            (        )
            g.drawImage(waterMarkImage,(originWidth-waterMarkWidth),(originHeight-waterMarkHeight),waterMarkWidth,waterMarkHeight,null);
            //                     
            g.dispose();
            
            ImageWriter imgWrier = ImageIO.getImageWritersByFormatName("jpg").next();
            imgWrier.reset();
            
            fileOutputStream = new FileOutputStream(targetImgFile);//    
            imgWrier.setOutput(ImageIO.createImageOutputStream(fileOutputStream));
            //IIOImage:    、  （  ）                       
            imgWrier.write(new IIOImage(image,null,null));
            fileOutputStream.flush();
            return targetImgFile;
        }catch(Exception e){
                e.printStackTrace();
        }finally {
                try{
                        if(fileOutputStream!=null) fileOutputStream.close();
                }catch(Exception e){
                        e.printStackTrace();
                }
        }
        return null;
    }

}