Java Tutorial/PDF/Tiff Image

Get DpiX and DpiY for tiff image

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Image; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfWriter; public class MainClass {

 public static void main(String[] args) throws Exception {
   Document document = new Document();
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   Image tiff = Image.getInstance("dog.tiff");
   document.add(tiff);
   document.add(new Paragraph("DPI X: " + tiff.getDpiX() + "; DPI Y: " + tiff.getDpiY()));
   
   document.close();
 }

}</source>

Get width and height of tiff image

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Image; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfWriter; public class MainClass {

 public static void main(String[] args) throws Exception {
   Document document = new Document();
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   Image tiff = Image.getInstance("dog.tiff");
   document.add(tiff);
   document.add(new Paragraph("Original width: " + tiff.width() + "; original height: "
       + tiff.height()));
   
   document.close();
 }

}</source>

Image with 360 Dpi scaled

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Image; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfWriter; public class MainClass {

 public static void main(String[] args) throws Exception {
   Document document = new Document();
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   Image tiff = Image.getInstance("dog.tiff");
   document.add(tiff);
   tiff.scalePercent(72f / tiff.getDpiX() * 100);
   document.add(new Paragraph("Show the image with 360 Dpi (scaled " + (7200f / tiff.getDpiX())
       + "%):"));
       
   document.add(new Paragraph("Scaled width: " + tiff.scaledWidth() + "; scaled height: "
       + tiff.scaledHeight()));        
   document.add(tiff);
   document.close();
 }

}</source>

Load tiff image

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Image; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfWriter; public class MainClass {

 public static void main(String[] args) throws Exception {
   Document document = new Document();
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   document.add(new Paragraph("dog.tiff"));
   Image img1 = Image.getInstance("dog.tiff");
   System.out.println(img1.getClass().getName());
   document.add(img1);
   
   
   document.close();
 }

}</source>

Multiple-page Tiff

   <source lang="java">

import java.io.FileOutputStream; import com.lowagie.text.Document; import com.lowagie.text.Image; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfWriter; import com.lowagie.text.pdf.RandomAccessFileOrArray; import com.lowagie.text.pdf.codec.TiffImage; public class MainClass {

 public static void main(String[] args) throws Exception {
   Document document = new Document();
   PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
   document.open();
   document.add(Image.getInstance("dog.tif"));
   RandomAccessFileOrArray ra = new RandomAccessFileOrArray("dog.tif");
   int pages = TiffImage.getNumberOfPages(ra);
   document.add(new Paragraph("There are " + pages + " pages in the tiff file."));
   for (int i = 0; i < pages;) {
     ++i;
     document.add(TiffImage.getTiffImage(ra, i));
   }
   document.close();
 }

}</source>