圖片或文字水印

package cn.gdpe.photo;

import java.awt.AlphaComposite;  
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;  
import java.awt.Image;  
import java.awt.RenderingHints;  
import java.awt.image.BufferedImage;  
import java.io.File;  
import java.io.FileOutputStream;  
import java.io.OutputStream;  
 
import javax.imageio.ImageIO;  
import javax.swing.ImageIcon;
import com.sun.image.codec.jpeg.*;
    
/**   
 * 圖片加水印，設置透明度
 * @author LY  
 * 建立日期：2016年09月14日 22:45:17
 */    
public class ImageMarkLogoByIcon {     
    
    /**   
     * @param args   
     */    
    public static void main(String[] args) {     
//        String srcImgPath = "c:/1111.png";     
//        String iconPath = "c:/0439.jpg";     
//        String targerPath = "c:/c.png" ;   
//         // 給圖片添加水印     
//        ImageMarkLogoByIcon.markImageByIcon(iconPath, srcImgPath, targerPath , -45);    
        pressText("liyong","F:/27.jpg","宋體",Font.ITALIC,0,100,500,500);
    }     
    /**   
     * 給圖片添加水印   
     * @param iconPath 水印圖片路徑   
     * @param srcImgPath 源圖片路徑   
     * @param targerPath 目標圖片路徑   
     */    
    public static void markImageByIcon(String iconPath, String srcImgPath,     
            String targerPath) {     
        markImageByIcon(iconPath, srcImgPath, targerPath, null) ;   
    }     
    /**   
     * 給圖片添加水印、可設置水印圖片旋轉角度   
     * @param iconPath 水印圖片路徑   
     * @param srcImgPath 源圖片路徑   
     * @param targerPath 目標圖片路徑   
     * @param degree 水印圖片旋轉角度
     */    
    public static void markImageByIcon(String iconPath, String srcImgPath,     
            String targerPath, Integer degree) {     
        OutputStream os = null;     
        try {     
            Image srcImg = ImageIO.read(new File(srcImgPath));   
            BufferedImage buffImg = new BufferedImage(srcImg.getWidth(null),     
                    srcImg.getHeight(null), BufferedImage.TYPE_INT_RGB);   
            // 獲得畫筆對象     
            // Graphics g= buffImg.getGraphics();     
            Graphics2D g = buffImg.createGraphics();     
    
            // 設置對線段的鋸齒狀邊緣處理     
            g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,     
                    RenderingHints.VALUE_INTERPOLATION_BILINEAR);     
    
            g.drawImage(srcImg.getScaledInstance(srcImg.getWidth(null), srcImg     
                    .getHeight(null), Image.SCALE_SMOOTH), 0, 0, null);     
    
            if (null != degree) {     
                // 設置水印旋轉     
                g.rotate(Math.toRadians(degree),     
                        (double) buffImg.getWidth() / 2, (double) buffImg     
                                .getHeight() / 2);     
            }     
            // 水印圖象的路徑 水印通常爲gif或者png的，這樣可設置透明度    
            ImageIcon imgIcon = new ImageIcon(iconPath);     
            // 獲得Image對象。     
            Image img = imgIcon.getImage();     
            float alpha = 0.2f; // 透明度     
            g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,     
                    alpha));     
            // 表示水印圖片的位置     
            g.drawImage(img, 150, 300, null);     
            g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));     
            g.dispose();     
            os = new FileOutputStream(targerPath);     
            // 生成圖片     
            ImageIO.write(buffImg, "JPG", os);     
        } catch (Exception e) {     
            e.printStackTrace();     
        } finally {     
            try {     
                if (null != os)     
                    os.close();     
            } catch (Exception e) {     
                e.printStackTrace();     
            }     
        }     
    }  
    /** */ /**  
     * 給圖片添加水印  
     *   
     * @param filePath  
     *            須要添加水印的圖片的路徑  
     * @param markContent  
     *            水印的文字  
     * @param markContentColor  
     *            水印文字的顏色  
     * @param qualNum  
     *            圖片質量  
     * @return  
     */   
    public static  boolean  createMark(String filePath, String markContent,  
            Color markContentColor, float  qualNum) {  
        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 );  
        g.drawString(markContent, width / 5 , height /  5 );  // 添加水印的文字和設置水印文字出現的內容   
        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 ;  
    }  
    
    /** */ /**  
     * 把圖片印刷到圖片上  
     *   
     * @param pressImg --  
     *            水印文件  
     * @param targetImg --  
     *            目標文件  
     * @param x  
     *            --x座標  
     * @param y  
     *            --y座標  
     */   
    public  static   void  pressImage(String pressImg, String targetImg,  
            int  x,  int  y) {  
        try  {  
            //目標文件   
            File _file = new  File(targetImg);  
            Image src = ImageIO.read(_file);  
            int  wideth = src.getWidth( null );  
            int  height = src.getHeight( null );  
            BufferedImage image = new  BufferedImage(wideth, height,  
                    BufferedImage.TYPE_INT_RGB);  
            Graphics g = image.createGraphics();  
            g.drawImage(src, 0 ,  0 , wideth, height,  null );  
            //水印文件   
            File _filebiao = new  File(pressImg);  
            Image src_biao = ImageIO.read(_filebiao);  
            int  wideth_biao = src_biao.getWidth( null );  
            int  height_biao = src_biao.getHeight( null );  
            g.drawImage(src_biao, (wideth - wideth_biao) / 2 ,  
                    (height - height_biao) / 2 , wideth_biao, height_biao,  null );  
            //水印文件結束   
            g.dispose();  
            FileOutputStream out = new  FileOutputStream(targetImg);  
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);  
            encoder.encode(image);  
            out.close();  
        } catch  (Exception e) {  
            e.printStackTrace();  
        }  
    }  
    /** */ /**  
     * 打印文字水印圖片  
     *   
     * @param pressText  
     *            --文字  
     * @param targetImg --  
     *            目標圖片  
     * @param fontName --  
     *            字體名  
     * @param fontStyle --  
     *            字體樣式  
     * @param color --  
     *            字體顏色  
     * @param fontSize --  
     *            字體大小  
     * @param x --  
     *            偏移量  
     * @param y  
     */   
    public   static   void  pressText(String pressText, String targetImg,  
            String fontName, int  fontStyle,  int  color,  int  fontSize,  int  x,  
            int  y) {  
        try  {  
            File _file = new  File(targetImg);  
            Image src = ImageIO.read(_file);  
            int  wideth = src.getWidth( null );  
            int  height = src.getHeight( null );  
            BufferedImage image = new  BufferedImage(wideth, height,  
                    BufferedImage.TYPE_INT_RGB);  
            Graphics g = image.createGraphics();  
            g.drawImage(src, 0 ,  0 , wideth, height,  null );  
            // String s="www.qhd.com.cn";   
            g.setColor(Color.BLACK);  
            g.setFont(new  Font(fontName, fontStyle, fontSize));  
            g.drawString(pressText, wideth - fontSize - x, height - fontSize  
                    / 2  - y);  
            g.dispose();  
            FileOutputStream out = new  FileOutputStream(targetImg);  
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);  
            encoder.encode(image);  
            out.close();  
        } catch  (Exception e) {  
            System.out.println(e);  
        }  
    }
}