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package com.ky.ui.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 java.io.FileOutputStream;

import javax.imageio.ImageIO;

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

/**
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上午11:18:19
*/
public final class ImgRead{

// public final static String getPressImgPath(){
// return ApplicationContext.getRealPath("/template/data/util/shuiyin.gif");
// }

/** *//**
* 把图片印刷到图片上
* @param pressImg -- 水印文件
* @param targetImg -- 目标文件
* @param x
* @param y
*/
public final static void pressImage(String pressImg, String targetImg, 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);

// 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 - x, height - height_biao -y, wideth_biao,
height_biao, null);
// /
g.dispose();
FileOutputStream out = new FileOutputStream(targetImg);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(image);
out.close();
} 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, 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);
// String s="www.qhd.com.cn";
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("C:/foot_05.gif", "c:/Chart.jpg", 20 ,20);
}
}