java给图片加水印，文字水印

public final class ImageUtils ...{




public ImageUtils() ...{




}






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:/shuiyin/shuiyin.gif", "c:/shuiyin/DSC02342.JPG", 20 ,20);


}


}