Java给图片打水印

]//给图片打水印
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
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 java.io.IOException;
import javax.imageio.ImageIO;
public class ImageWaterMark{
/*构造函数1，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 -- 右下角的偏移量
* @param y
* Such As:new ImageWaterMark("spy", "D://Documents//No.jpg", "Monospace", Font.TRUETYPE_FONT, Color.GREEN, 46, 50, 40);
*/
public ImageWaterMark(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 width = src.getWidth(null);
int height = src.getHeight(null);
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.createGraphics();
g.drawImage(src, 0, 0, width, height, null);
g.setColor(color);
g.setFont(new Font(fontName, fontStyle, fontSize));
g.drawString(pressText, width - fontSize - x, height - fontSize/2 - y);
g.dispose();
//输出图像
FileOutputStream out = new FileOutputStream(targetImg);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(image);
out.close();
} catch (IOException ex) {
}
}
/*构造函数2，打印图片水印图片
* @param pressImg --被当做水印的图片
* @param targetImg -- 目标图片
* @param x -- 右下角的偏移量
* @param y
* Such As:new ImageWaterMark("D://Documents//no5.jpg","E://software//picture//Win7_21.jpg", 200, 100);
*/
public ImageWaterMark(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();
//输出图像
FileOutputStream out = new FileOutputStream(targetImg);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(image);
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}