www.pudn.com > struts_upload.zip > ImageUtils.java

package com.yourcompany.struts.action; 
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 ImageUtils { 
    public ImageUtils() { 
 
    } 
 
    /** 
     * 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.WHITE); 
            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); 
        } 
    } 
    /** 
     * 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 main(String[] args) { 
        pressImage("c:/logo.gif", "c:/test.jpg", 20, 20); 
        pressText("我们开发软件，助您成就更多梦想","c:\\test.jpg","华文行楷",3,0,22,333,333); 
 
    } 
}