import com.lowagie.text.pdf.codec.TiffImage; //导入依赖的package包/类
/**
 * Combines 2 tiff-files into 1 PDF (similar to tiffmesh).
 * 
 * @param args
 *            [0] the file with the odd pages [1] the file with the even
 *            pages [2] the resulting file
 */
public void main(String... args) throws Exception {
	if (args.length < 3) {
		System.err.println("OddEven needs 3 Arguments.");
		System.out
				.println("Usage: com.lowagie.examples.objects.images.tiff.OddEven odd_file.tif even_file.tif combined_file.pdf");
		return;
	}
	RandomAccessFileOrArray odd = new RandomAccessFileOrArray(args[0]);
	RandomAccessFileOrArray even = new RandomAccessFileOrArray(args[1]);
	Image img = TiffImage.getTiffImage(odd, 1);
	Document document = new Document(new Rectangle(img.getScaledWidth(), img.getScaledHeight()));
	PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(args[2]));
	document.open();
	PdfContentByte cb = writer.getDirectContent();
	int count = Math.max(TiffImage.getNumberOfPages(odd), TiffImage.getNumberOfPages(even));
	for (int c = 0; c < count; ++c) {

		Image imgOdd = TiffImage.getTiffImage(odd, c + 1);
		Image imgEven = TiffImage.getTiffImage(even, count - c);
		document.setPageSize(new Rectangle(imgOdd.getScaledWidth(), imgOdd.getScaledHeight()));
		document.newPage();
		imgOdd.setAbsolutePosition(0, 0);
		cb.addImage(imgOdd);
		document.setPageSize(new Rectangle(imgEven.getScaledWidth(), imgEven.getScaledHeight()));
		document.newPage();
		imgEven.setAbsolutePosition(0, 0);
		cb.addImage(imgEven);

	}
	odd.close();
	even.close();
	document.close();

}
 

import com.lowagie.text.pdf.codec.TiffImage; //导入依赖的package包/类
private void addTiff(final File file, final Document document, final PdfWriter writer)
        throws Exception {
    RandomAccessFileOrArray randomAccess = createRamdomAccessSource(file);
   
    int pages = getPageCount(file);
    for (int i = 1; i <= pages; i++) {
        Image image = TiffImage.getTiffImage(randomAccess, i);
        addImage(image, document, writer);
    }

}
 

import com.lowagie.text.pdf.codec.TiffImage; //导入依赖的package包/类
public static int getPageCountTif(final File file) throws IOException {
    RandomAccessFileOrArray randomAccess = createRamdomAccessSource(file);
    return TiffImage.getNumberOfPages(randomAccess);
}