java给图片加水印例子(解决图片出现变红问题).docx

package image;/* * 图片加水印，在windows正常运行，也可以再Linux上正常运行* 解决图片出现变红问题 */import java.awt.Graphics;import java.awt.GraphicsConfiguration;import java.awt.GraphicsDevice;import java.awt.GraphicsEnvironment;import java.awt.HeadlessException;import java.awt.Image;import java.awt.Toolkit;import java.awt.Transparency;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;public class Image111 private static int num = 0;private static int num1 = 0;private static int count = 0; public static void main(String args) /目标图片文件夹的路径 String srcImgPath = D:image; /水印图片的路径 String iconPath = D:markwatermark.png; /生成图片文件夹的路径 String targerPath = D:image3; String os = null; String is = null; File f = new File(srcImgPath); / java.util.List list = getImageUrl(getUrl(); String list = f.list(); for(String s: list) os = srcImgPath + + s; for(int i = 0; i 10; i+) is = targerPath + i + s; markImageByIcon(iconPath, os, is); / is = targerPath + s;System.out.println(os);/ / markImageByIcon(iconPath, os, is); System.out.println(本次处理图片： + num+num1 + 张); System.out.println(本次成功处理图片 ： + num + 张); System.out.println(本次处理图片失败： + num1 + 张); /* * 给图片添加水印、可设置水印图片旋转角度 * param iconPath 水印图片路径，如果为空，则使用默认水印图片 * param srcImgPath 源图片路径 * param targerPath 目标图片路径 */ public static void markImageByIcon(String iconPath, String srcImgPath, String targerPath) OutputStream os = null;try Image srcImg = Toolkit.getDefaultToolkit().getImage(srcImgPath);srcImg = new ImageIcon(srcImg).getImage();BufferedImage buffImg = null; GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();try GraphicsDevice gs = ge.getDefaultScreenDevice();GraphicsConfiguration gc = gs.getDefaultConfiguration();buffImg = gc.createCompatibleImage(srcImg.getWidth(null), srcImg.getHeight(null), Transparency.OPAQUE); catch (HeadlessException e) e.printStackTrace();if (buffImg = null) buffImg = new BufferedImage(srcImg.getWidth(null), srcImg.getHeight(null), BufferedImage.TYPE_INT_RGB);Graphics g = buffImg.createGraphics();g.drawImage(srcImg, 0, 0, null);/ 得到Image对象。Image img = Toolkit.getDefaultToolkit().getImage(iconPath.toString();img = new ImageIcon(img).getImage();/ 表示水印图片的位置g.drawImage(img, srcImg.getWidth(null) - img.getWidth(null) - 5, srcImg.getHeight(null) - img.getHeight(null) - 5, null);g.dispose(); / 生成图片放置的位置os = new FileOutputStream(targerPath);/ 生成图片 ImageIO.write(buffImg, JPG, os);/ 添加水印结束 num+; System.out.println(图片: + count+1 + 处理成功); catch (Exception e) e.printStackTrace();