package com.net.util;import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Font;
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.InputStream;
import java.io.OutputStream;import javax.imageio.ImageIO;
import javax.swing.ImageIcon;/******************************************************************************** Description: 图片水印工具类 * @author zhangdi* @version 1.0*/
public class ImageRemarkUtil {// 水印透明度private static float alpha = 0.5f;// 水印横向位置private static int positionWidth = 150;// 水印纵向位置private static int positionHeight = 300;// 水印文字字体private static Font font = new Font("宋体", Font.BOLD, 72);// 水印文字颜色private static Color color = Color.red;/*** * @param alpha*            水印透明度* @param positionWidth*            水印横向位置* @param positionHeight*            水印纵向位置* @param font*            水印文字字体* @param color*            水印文字颜色*/public static void setImageMarkOptions(float alpha, int positionWidth,int positionHeight, Font font, Color color) {if (alpha != 0.0f)ImageRemarkUtil.alpha = alpha;if (positionWidth != 0)ImageRemarkUtil.positionWidth = positionWidth;if (positionHeight != 0)ImageRemarkUtil.positionHeight = positionHeight;if (font != null)ImageRemarkUtil.font = font;if (color != null)ImageRemarkUtil.color = color;}/*** 给图片添加水印图片* * @param iconPath*            水印图片路径* @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) {markImageByIcon(iconPath, srcImgPath, targerPath, null);}/*** 给图片添加水印图片、可设置水印图片旋转角度* * @param iconPath*            水印图片路径* @param srcImgPath*            源图片路径* @param targerPath*            目标图片路径* @param degree*            水印图片旋转角度*/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);// 1、得到画笔对象Graphics2D g = buffImg.createGraphics();// 2、设置对线段的锯齿状边缘处理
            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);// 3、设置水印旋转if (null != degree) {g.rotate(Math.toRadians(degree),(double) buffImg.getWidth() / 2,(double) buffImg.getHeight() / 2);}// 4、水印图片的路径 水印图片一般为gif或者png的，这样可设置透明度ImageIcon imgIcon = new ImageIcon(iconPath);// 5、得到Image对象。Image img = imgIcon.getImage();g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,alpha));// 6、水印图片的位置g.drawImage(img, positionWidth, positionHeight, null);g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));// 7、释放资源
            g.dispose();// 8、生成图片os = new FileOutputStream(targerPath);ImageIO.write(buffImg, "JPG", os);System.out.println("图片完成添加水印图片");} catch (Exception e) {e.printStackTrace();} finally {try {if (null != os)os.close();} catch (Exception e) {e.printStackTrace();}}}/*** 给图片添加水印文字* * @param logoText*            水印文字* @param srcImgPath*            源图片路径* @param targerPath*            目标图片路径*/public static void markImageByText(String logoText, String srcImgPath,String targerPath) {markImageByText(logoText, srcImgPath, targerPath, null);}/*** 给图片添加水印文字、可设置水印文字的旋转角度* * @param logoText* @param srcImgPath* @param targerPath* @param degree*/public static void markImageByText(String logoText, String srcImgPath,String targerPath, Integer degree) {InputStream is = null;OutputStream os = null;try {// 1、源图片Image srcImg = ImageIO.read(new File(srcImgPath));BufferedImage buffImg = new BufferedImage(srcImg.getWidth(null),srcImg.getHeight(null), BufferedImage.TYPE_INT_RGB);// 2、得到画笔对象Graphics2D g = buffImg.createGraphics();// 3、设置对线段的锯齿状边缘处理
            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);// 4、设置水印旋转if (null != degree) {g.rotate(Math.toRadians(degree),(double) buffImg.getWidth() / 2,(double) buffImg.getHeight() / 2);}// 5、设置水印文字颜色
            g.setColor(color);// 6、设置水印文字Font
            g.setFont(font);// 7、设置水印文字透明度
            g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,alpha));// 8、第一参数->设置的内容，后面两个参数->文字在图片上的坐标位置(x,y)
            g.drawString(logoText, positionWidth, positionHeight);// 9、释放资源
            g.dispose();// 10、生成图片os = new FileOutputStream(targerPath);ImageIO.write(buffImg, "JPG", os);System.out.println("图片完成添加水印文字");} catch (Exception e) {e.printStackTrace();} finally {try {if (null != is)is.close();} catch (Exception e) {e.printStackTrace();}try {if (null != os)os.close();} catch (Exception e) {e.printStackTrace();}}}//    public static void main(String[] args) {
//        String srcImgPath = "d:/1.jpg";
//        String logoText = "复 印 无 效";
//        String iconPath = "d:/2.jpg";
//
//        String targerTextPath = "d:/qie_text.jpg";
//        String targerTextPath2 = "d:/qie_text_rotate.jpg";
//
//        String targerIconPath = "d:/qie_icon.jpg";
//        String targerIconPath2 = "d:/qie_icon_rotate.jpg";
//
//        System.out.println("给图片添加水印文字开始...");
//        // 给图片添加水印文字
//        markImageByText(logoText, srcImgPath, targerTextPath);
//        // 给图片添加水印文字,水印文字旋转-45
//        markImageByText(logoText, srcImgPath, targerTextPath2, -45);
//        System.out.println("给图片添加水印文字结束...");
//
//        System.out.println("给图片添加水印图片开始...");
//        setImageMarkOptions(0.3f, 1, 1, null, null);
//        // 给图片添加水印图片
//        markImageByIcon(iconPath, srcImgPath, targerIconPath);
//        // 给图片添加水印图片,水印图片旋转-45
//        markImageByIcon(iconPath, srcImgPath, targerIconPath2, -45);
//        System.out.println("给图片添加水印图片结束...");
//
//    }
}