java：給圖片上加浮水印

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import java.awt.Color;import java.awt.Graphics2D;import java.awt.Image;import java.awt.image.BufferedImage;import java.io.FileOutputStream;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;public class WaterMark {     /**      * 給圖片添加浮水印      *       * @param filePath      *             需要添加浮水印的圖片的路徑      * @param markContent      *             浮水印的文字      * @param markContentColor      *             浮水印文字的顏色      * @param qualNum      *             圖片品質      * @return      */     public void 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 / 3, height / 2); // 添加浮水印的文字和設定浮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 ;         }     }         public static void main(String[] args) {         WaterMark wm = new WaterMark();                 wm.createMark("d://map.jpg","http://www.90che.com",Color.WHITE,70f);     }}

2007-09-11

java：給圖片上加浮水印