how to convert pdf to jpeg or pdf to jpg using java program

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4 Comments
hai friends today iam sharing some example to convert a pdf file to jpeg using java program. below java program will helpful to convert a pdf document to jpeg or jpg image.i think this code will helpful to somebody who want to convert pdf to jpeg file.

package johnmukkad.tk;
import java.awt.Graphics2D;
import java.awt.RenderingHints;

import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.util.Vector;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;

import multivalent.Behavior;
import multivalent.Context;
import multivalent.Document;
import multivalent.Node;
import multivalent.std.adaptor.pdf.PDF;

public class PDFToJPEG extends HttpServlet {

public PDFToJPEG(){

}
/*public static void main(String args[]) {
File outfile = new File("file1.jpg");

try {

PDF pdf = (PDF) Behavior.getInstance("AdobePDF", "AdobePDF", null,
null, null);
File file = new File("test2.pdf");
pdf.setInput(file);

Document doc = new Document("doc", null, null);
pdf.parse(doc);
doc.clear();

doc.putAttr(Document.ATTR_PAGE, Integer.toString(1));
pdf.parse(doc);

Node top = doc.childAt(0);
doc.formatBeforeAfter(200, 200, null);
int w = top.bbox.width;
int h = top.bbox.height;
BufferedImage img = new BufferedImage(w, h,
BufferedImage.TYPE_INT_RGB);
Graphics2D g = img.createGraphics();
g.setClip(0, 0, w, h);

g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
Context cx = doc.getStyleSheet().getContext(g, null);
top.paintBeforeAfter(g.getClipBounds(), cx);
ImageIO.write(img, "jpg", outfile);
doc.removeAllChildren();
cx.reset();
g.dispose();

pdf.getReader().close();
outfile = null;

doc = null;
} catch (Exception e) {
}
}*/

public boolean convertPdfToJpeg(String input, String output){

boolean blnSuccess = false;
File outfile = new File(output);

PDF pdf = (PDF) Behavior.getInstance("AdobePDF", "AdobePDF", null,null, null);
File infile = new File(input);
pdf.setInput(infile);

Document doc = new Document("doc", null, null);
pdf.parse(doc);
doc.clear();

doc.putAttr(Document.ATTR_PAGE, Integer.toString(1));
pdf.parse(doc);

Node top = doc.childAt(0);
doc.formatBeforeAfter(200, 200, null);
int intImageWidth = top.bbox.width;
int intImageHeight = top.bbox.height;
BufferedImage theNewImage = new BufferedImage(intImageWidth, intImageHeight,BufferedImage.TYPE_INT_RGB);
Graphics2D loGraphics = theNewImage.createGraphics();
loGraphics.setClip(0, 0, intImageWidth, intImageWidth);
loGraphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
loGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
loGraphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
Context cx = doc.getStyleSheet().getContext(loGraphics, null);
top.paintBeforeAfter(loGraphics.getClipBounds(), cx);
try{
ImageIO.write(theNewImage, "jpg", outfile);
theNewImage = null;
blnSuccess = true;
}catch(ImageCreateException e){
theNewImage = null;
return(blnSuccess);
}

doc.removeAllChildren();
cx.reset();
loGraphics.dispose();

pdf.getReader().close();
outfile = null;

doc = null;
return(blnSuccess);
}

}



About Post Author

John Justin is a Software Engineer since last 9 years,Developing applications in Java and related technologies,blogger,writer and social worker.

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4 comments:

  1. mohit8:05 PM

    Thanks a lot.

    This is the only code i found which works and provided with no cost.

    ReplyDelete
  2. webuser11:41 PM

    Hello,

    Can you tellme how to create an image with bigger size? I tried to change the w, h but without luck... the problem is that the images im getting are small, and when I zoom them, i can see they have no quality at all.

    thnak you

    ReplyDelete
  3. webuser11:41 PM

    Hello,

    Can you tellme how to create an image with bigger size? I tried to change the w, h but without luck... the problem is that the images im getting are small, and when I zoom them, i can see they have no quality at all.

    thnak you

    ReplyDelete
  4. Eri Zuliarso3:04 PM

    I get error at catch(ImageCreateException e) ...cannot find symbol

    ReplyDelete

About

Hi, my name is John Justin. I'm a software engineer living in Bentonville. This blog is to provide you with daily outfit ideas and share my personal style.This is my personal blog. Opinions expressed in my posts may or may not coincide with those of my employer.

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