java 实现 JPG图像文件转换TIFF文件 有源码。有工程

package test; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.OutputStream; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import javax.imageio.IIOImage; import javax.imageio.ImageIO; import javax.imageio.ImageWriter; import javax.imageio.stream.ImageOutputStream; import javax.media.jai.JAI; import javax.media.jai.RenderedOp; import org.apache.pdfbox.pdfparser.PDFParser; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.util.PDFTextStripper; import com.sun.media.jai.codec.ImageCodec; import com.sun.media.jai.codec.ImageEncoder; import com.sun.media.jai.codec.TIFFEncodeParam; public class Utile1{ public void convertToTiff1(String pdfFilePath, String tiffFileName) throws Exception { PDDocument doc = PDDocument.load(pdfFilePath); int pageCount = doc.getPageCount(); List pages = doc.getDocumentCatalog().getAllPages(); List<File> files = new ArrayList<File>(); List<File> deleteFiles = new ArrayList<File>(); for(int i=0;i<pages.size();i++){ PDPage page = (PDPage)pages.get(i); BufferedImage image = page.convertToImage(BufferedImage.TYPE_BYTE_BINARY, 300); Iterator iter = ImageIO.getImageWritersBySuffix("jpg"); ImageWriter writer = (ImageWriter)iter.next(); File outFile = new File("C:/1"+i+".jpg"); FileOutputStream out = new FileOutputStream(outFile); ImageOutputStream outImage = ImageIO.createImageOutputStream(out); writer.setOutput(outImage); writer.write(new IIOImage(image,null,null)); this.jpg2tif("C:/1"+i+".jpg", "C:/1"+i+".tif"); files.add(new File("C:/1"+i+".tif")); deleteFiles.add(outFile); deleteFiles.add(new File("C:/1"+i+".tif")); outImage.close(); out.close(); writer.dispose(); } if(files != null){ this.tif2Marge(files, "C:/1.tif"); } } public void convertToTiff(String pdfFilePath, String tiffFileName) throws Exception { /*String result = null; FileInputStream is = null; PDDocument doc = null; is = new FileInputStream(pdfFilePath); PDFParser parser = new PDFParser(is); parser.parse(); doc = parser.getPDDocument(); //PDFTextStripper stripper = new PDFTextStripper(); //result = stripper.getText(document); */ // PDDocument doc = PDDocument.load(pdfFilePath); int pageCount = doc.getPageCount(); List pages = doc.getDocumentCatalog().getAllPages(); List<File> files = new ArrayList<File>(); List<File> deleteFiles = new ArrayList<File>(); for(int i=0;i<pages.size();i++){ PDPage page = (PDPage)pages.get(i); BufferedImage image = page.convertToImage(BufferedImage.TYPE_BYTE_BINARY, 300); Iterator iter = ImageIO.getImageWritersBySuffix("jpg"); ImageWriter writer = (ImageWriter)iter.next(); File outFile = new File("C:\\1"+i+".jpg"); FileOutputStream out = new FileOutputStream(outFile); ImageOutputStream outImage = ImageIO.createImageOutputStream(out); writer.setOutput(outImage); writer.write(new IIOImage(image,null,null)); this.jpg2tif("C:\\1"+i+".jpg", "C:\\1"+i+".tif"); files.add(new File("C:\\1"+i+".tif")); deleteFiles.add(outFile); deleteFiles.add(new File("C:\\1"+i+".tif")); outImage.close(); out.close(); writer.dispose(); } if(files != null){ this.tif2Marge(files, "C:\\1.tif"); } } /** * 将jpg格式转化为tif格式。 * @param srcFile 需要装换的源文件 * @param descFile 装换后的转存文件 * @throws Exception */ public void jpg2tif(String srcFile, String descFile) throws Exception { RenderedOp src = JAI.create("fileload", srcFile); OutputStream os = new FileOutputStream(descFile); TIFFEncodeParam param = new TIFFEncodeParam(); param.setCompression(TIFFEncodeParam.COMPRESSION_JPEG_TTN2); ImageEncoder encoder = ImageCodec.createImageEncoder("TIFF", os, param); encoder.encode(src); os.close(); } /** * 将若干tif文件合同为一个tif文件 * @param srcFile * @param descFile * @throws Exception */ public void tif2Marge(List<File> srcFile, String descFile) throws Exception { List pages = new ArrayList(srcFile.size() - 1); for (int i = 0; i < srcFile.size(); i++) { RenderedOp firstpage = JAI.create("fileload", srcFile.get(0).getCanonicalPath()); if(i != 0 ){ RenderedOp page = JAI.create("fileload", srcFile.get(i).getCanonicalPath()); pages.add(page); } OutputStream os = new FileOutputStream(descFile); TIFFEncodeParam param = new TIFFEncodeParam(); param.setCompression(TIFFEncodeParam.COMPRESSION_JPEG_TTN2); param.setExtraImages(pages.iterator()); ImageEncoder encoder = ImageCodec.createImageEncoder("TIFF", os, param); encoder.encode(firstpage); firstpage.dispose(); for (int j = 1; j < pages.size(); j++) { ((RenderedOp) pages.get(j)).dispose(); } os.close(); pages.clear(); } } }