package com.founder.cms.watermark.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 * Copyright: Copyright (c) 2011 * Company: Founder * Project: CMS * * @Author Aaron * @version 1.0 * @See * HISTORY 2011-9-27 taoxg create ******************************************************************************/public class ImageMarkLogoUtil { // 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, 30); // 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)ImageMarkLogoUtil.alpha = alpha; if(positionWidth!=0)ImageMarkLogoUtil.positionWidth = positionWidth; if(positionHeight!=0)ImageMarkLogoUtil.positionHeight = positionHeight; if(font!=null)ImageMarkLogoUtil.font = font; if(color!=null)ImageMarkLogoUtil.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:/qie.jpg"; String logoText = "[ I love Qie]"; String iconPath = "d:/shuimu.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..."); } }