圖檔添加水印（小圖檔或者文字）



直接上代碼，

g.drawImage(src_biao,0,0, wideth_biao, height_biao, null);中間的0參數代表水印在圖檔上添加的位置

package com.test;

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 java.io.FileOutputStream;

import javax.imageio.ImageIO;

import com.sun.image.codec.jpeg.JPEGCodec;

import com.sun.image.codec.jpeg.JPEGImageEncoder;

public final class WaterMark {

    public WaterMark() {

    }

    public final static void pressImage(String pressImg, String targetImg,

            int x, int y) {

        try {

            //目标檔案

            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);

            //水印檔案

            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-130,

                    height-130, wideth_biao, height_biao, null);

            //水印檔案結束

            g.dispose();

            FileOutputStream out = new FileOutputStream(targetImg);

            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

            encoder.encode(image);

            out.close();

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    public static void pressText(String pressText, String targetImg,

            String fontName, int fontStyle, int 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.RED);

            g.setFont(new Font(fontName, fontStyle, fontSize));

            g.drawString(pressText, wideth - fontSize - x, height - fontSize

                    / 2 - y);

            g.dispose();

            FileOutputStream out = new FileOutputStream(targetImg);

            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);

            encoder.encode(image);

            out.close();

        } catch (Exception e) {

            System.out.println(e);

        }

    }

    public static void main(String[] args) {

        pressImage("E:/project_new/front/resources/web/images/xg_tag.png","c:/haha.gif", 0, 60);

    }

}