Java 给图片加 文字水印

package com.fh.util;

import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.Image;import java.awt.image.BufferedImage;import java.io.File;import javax.imageio.ImageIO;//import java.io.FileOutputStream;//import com.sun.image.codec.jpeg.JPEGCodec;//import com.sun.image.codec.jpeg.JPEGImageEncoder;

/** * 说明：图片水印处理类 * 作者：FH Admin * from：www.fhadmin.org */public class Watermark {

privatestatic String strFWATERM,strIWATERM;

static{strFWATERM = Tools.readTxtFile(Const.FWATERM);//读取文字水印配置strIWATERM = Tools.readTxtFile(Const.IWATERM);//读取图片水印配置}

/** * 刷新*/public static void fushValue(){strFWATERM = Tools.readTxtFile(Const.FWATERM);//读取文字水印配置strIWATERM = Tools.readTxtFile(Const.IWATERM);//读取图片水印配置}

/** * @param imagePath 图片全路径*/  public static void setWatemark(String imagePath){   //文字水印  if(null != strFWATERM && !"".equals(strFWATERM)){String strFW[] = strFWATERM.split(",fh,");if(strFW.length == 5){if("yes".equals(strFW[0])){pressText(strFW[1].toString(), imagePath, "", 1, Color.RED,Integer.parseInt(strFW[2]), Integer.parseInt(strFW[3]), Integer.parseInt(strFW[4]));//文字}}}  //图片水印if(null != strIWATERM && !"".equals(strIWATERM)){String strIW[] = strIWATERM.split(",fh,");if(strIW.length == 4){if("yes".equals(strIW[0])){pressImage(PathUtil.getClasspath() + Const.FILEPATHIMG+strIW[1], imagePath, Integer.parseInt(strIW[2]), Integer.parseInt(strIW[3]));}}}  } 

    /**     * 把图片印刷到图片上     *      * @param pressImg --     *            水印文件     * @param targetImg --     *            目标文件     * @param x     *            --x坐标     * @param y     *            --y坐标     */    public final static void pressImage(String pressImg, String targetImg,            int x, int y) {        try {            //目标文件            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);            g.drawImage(src_biao, x, y, wideth_biao, height_biao, null);            //水印文件结束            g.dispose();            /*FileOutputStream out = new FileOutputStream(targetImg);            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);            encoder.encode(image);            out.close();*/            String formatName = targetImg.substring(targetImg.lastIndexOf(".") + 1);            ImageIO.write(image, /*"GIF"*/ formatName /* format desired */ , new File(targetImg) /* target */ );

        } catch (Exception e) {            e.printStackTrace();        }    }

    /**     * 打印文字水印图片     *      * @param pressText     *            --文字     * @param targetImg --     *            目标图片     * @param fontName --     *            字体名     * @param fontStyle --     *            字体样式     * @param color --     *            字体颜色     * @param fontSize --     *            字体大小     * @param x --     *            偏移量     * @param y     */

    public static void pressText(String pressText, String targetImg,    String fontName, int fontStyle, Color 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);            g.setColor(color);            g.setFont(new Font(fontName, fontStyle, fontSize));            g.drawString(pressText, x, y);            g.dispose();            /*FileOutputStream out = new FileOutputStream(targetImg);            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);            encoder.encode(image);            out.close();*/            String formatName = targetImg.substring(targetImg.lastIndexOf(".") + 1);            ImageIO.write(image, /*"GIF"*/ formatName /* format desired */ , new File(targetImg) /* target */ );        } catch (Exception e) {            System.out.println(e);        }    }  

}