jai给tif格式的图片加水印

import java.awt.AlphaComposite;import java.awt.Color;import java.awt.Font;import java.awt.Graphics2D;import java.awt.Image;import java.awt.image.BufferedImage;import java.awt.image.RenderedImage;import java.awt.image.renderable.ParameterBlock;import java.awt.image.renderable.RenderableImage;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;

import javax.imageio.ImageIO;import javax.media.jai.JAI;import javax.media.jai.ParameterBlockJAI;import javax.media.jai.PlanarImage;

import com.sun.image.codec.jpeg.JPEGCodec;import com.sun.image.codec.jpeg.JPEGImageEncoder;import com.sun.media.jai.codec.ImageCodec;import com.sun.media.jai.codec.ImageDecoder;import com.sun.media.jai.codec.ImageEncoder;import com.sun.media.jai.codec.JPEGDecodeParam;import com.sun.media.jai.codec.JPEGEncodeParam;import com.sun.media.jai.codec.TIFFDecodeParam;import com.sun.media.jai.codec.TIFFEncodeParam;

public class ImageWaterMark { /** * 图片类型-JPEG */ public final static int IMG_TYPE_JPEG = 0;

 /** * 图片类型-TIFF */ public final static int IMG_TYPE_TIFF = 1;

 /** * 转换图片文件格式为TIFF * @param srcFile File 要转换格式的原文件 * @param resFile File 转换格式后的目标文件 * @param preType int 原文件的格式，目前只支持JPEG格式-0 * @throws IOException 抛出IO异常 */ public static void convertImageToTIFF(File srcFile,File resFile,int preType) throws IOException { if(preType == IMG_TYPE_TIFF) { System.out.println("Needn't to convert!"); return; }

 InputStream fis = new FileInputStream(srcFile); OutputStream fos = new FileOutputStream(resFile);

 TIFFEncodeParam encodeParam = new TIFFEncodeParam(); encodeParam.setCompression(TIFFEncodeParam.COMPRESSION_DEFLATE);

 switch(preType) { case IMG_TYPE_JPEG: JPEGDecodeParam decodeParam = new JPEGDecodeParam(); ImageDecoder decoder = ImageCodec.createImageDecoder("JPEG",fis,decodeParam); RenderedImage image = decoder.decodeAsRenderedImage(); ImageEncoder encoder = ImageCodec.createImageEncoder("TIFF",fos,encodeParam); encoder.encode(image); break; default: break; }

 fos.close(); fis.close(); }

 /** * 把图片格式转换为JPEG格式 * @param srcFile File 要转换的原文件 * @param resFile File 转换后的目标文件 * @param preType int 原文件的类型，目前只支持TIFF格式-1 * @throws IOException 抛出IO异常 */ public static void convertImageToJPEG(File srcFile,File resFile,int preType) throws IOException { if(preType == IMG_TYPE_JPEG) { System.out.println("Needn't to convert!"); return; }

 InputStream fis = new FileInputStream(srcFile); OutputStream fos = new FileOutputStream(resFile);

 JPEGEncodeParam encodeParam = new JPEGEncodeParam();

 switch(preType) { case IMG_TYPE_TIFF: TIFFDecodeParam decodeParam = new TIFFDecodeParam(); decodeParam.setJPEGDecompressYCbCrToRGB(false);

 ImageDecoder decoder = ImageCodec.createImageDecoder("TIFF",fis,decodeParam); RenderedImage image = decoder.decodeAsRenderedImage();

 ImageEncoder encoder = ImageCodec.createImageEncoder("JPEG",fos,encodeParam); encoder.encode(image); break; default: break; }

 fos.close(); fis.close(); }

 /**  * 添加图片水印  *  * @param file  */ public static void waterMark(File file) {  try {   Image srcImage = ImageIO.read(file);   int width = srcImage.getWidth(null);   int height = srcImage.getHeight(null);   BufferedImage bImage = new BufferedImage(width, height,     BufferedImage.TYPE_INT_RGB);   Graphics2D gh = bImage.createGraphics();   gh.drawImage(srcImage, 0, 0, width, height, null);   File waterFile = new File("d://a.jpeg");   Image waterImage = ImageIO.read(waterFile);   int waterWidth = waterImage.getWidth(null);   int waterHeight = waterImage.getHeight(null);   gh.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,     0.5f));   gh.drawImage(waterImage, (width - waterWidth) / 2,     (height - waterHeight) / 2, waterWidth, waterHeight, null);   gh.dispose();   FileOutputStream fos = new FileOutputStream(file);   JPEGImageEncoder jie = JPEGCodec.createJPEGEncoder(fos);   jie.encode(bImage);   fos.close();  } catch (Exception e) {   e.printStackTrace();  } }

 /**  * 加字符串水印  *  * @param file  * @param str  */ public static void waterMarkStr(File file, String str) {  try {   if (!file.exists()) {    file.createNewFile();   }   // 创建图片流   FileInputStream fis = new FileInputStream(file);   // 创建一个Image对象并以原图像流进行填充   Image image = ImageIO.read(fis);   int width = image.getWidth(null);   int height = image.getHeight(null);   // 创建一个图像操作容器   BufferedImage bImage = new BufferedImage(width, height,     BufferedImage.TYPE_INT_RGB);   // 创建绘画环境   Graphics2D gh = bImage.createGraphics();   gh.drawImage(image, 0, 0, width, height, null);   // 设置字体   gh.setFont(new Font("宋体", Font.BOLD, 28));   // 设置颜色   gh.setColor(Color.RED);   // 设置透明度   gh.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,     0.5f));   // 向BufferedImage写入字串，设置水印的位置   gh.drawString(str, width / 3, height / 3);   // 使更改生效   gh.dispose();   // 创建文件输出对象   FileOutputStream fos = new FileOutputStream(file);   // 创建按JPEG编码对象   JPEGImageEncoder jie = JPEGCodec.createJPEGEncoder(fos);   // 对BufferedImage进行JPEG编码   jie.encode(bImage);   // 关闭输出流   fos.close();  } catch (Exception e) {   e.printStackTrace();  } }

 public  static boolean  smallpicture(String   src,String   dest,int   w,int   h)    {        try        {            ParameterBlockJAI   loadPB   =   new   ParameterBlockJAI("fileload");            loadPB.setParameter("d.jpeg",src);            PlanarImage   source   =   JAI.create( "fileload",loadPB);            int   orinWidth   =   source.getWidth();            int   orinHeigth   =   source.getHeight();

            int   newHeigth   =   orinHeigth   *   w/orinWidth;            ParameterBlock   pb   =   new   ParameterBlock();            pb.addSource(source);            RenderableImage   ren   =   JAI.createRenderable( "renderable ",pb);            PlanarImage   dst   =   (PlanarImage)ren.createScaledRendering(w,newHeigth,null);            File   fout   =   new   File(dest);            FileOutputStream   out   =   new   FileOutputStream(fout);            JPEGEncodeParam   param   =   new   JPEGEncodeParam();            param.setQuality(0.70f);//设置图片质量            //这里你可以选择不同的图片编码，不过gif因为版权问题要压缩成png            ImageEncoder   encoder   =   ImageCodec.createImageEncoder( "JPEG ",out,param);            encoder.encode(dst);            out.close();            return   true;        }        catch   (Exception   e)        {            e.printStackTrace();            return   false;        }    }

 public static void main(String[] args) { try {  //1.读取tif格式的文件，将文件转换为jpeg格式  File srcFile = new File("d://a.tif");  File recfile = new File("d://a.jpeg");  File file = new File("d://c.tif");  if (!srcFile.exists()) {   srcFile.createNewFile();    }  if(!recfile.exists()){   recfile.createNewFile();  }  convertImageToJPEG(srcFile,recfile,IMG_TYPE_TIFF);

  //2.给转换的jpeg文件加水印  waterMarkStr(recfile,"添加成功123");

  //3.将加过水印后的jpeg文件转换为tif格式的  convertImageToTIFF(recfile,file,IMG_TYPE_JPEG);

  //4.将生成的临时的jpeg文件删掉//  recfile.delete();

  } catch (IOException e) {   e.printStackTrace(); }

 /* try {   File file = new File("d://a.jpg");   if (!file.exists()) {    file.createNewFile();   }   ImageWaterMark.waterMarkStr(file, "你好  2011-000051-15"); //  ImageWaterMark.waterMark(file);  } catch (IOException e) {   e.printStackTrace();  }*/ }}