Java Tutorial/PDF/Paragraph

Add a Paragraph to a document

import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfWriter;
public class CreateParagraph {
  public static void main(String[] args) throws Exception {
    Document document = new Document();
    PdfWriter.getInstance(document, new FileOutputStream("HelloWorld.pdf"));
    document.open();
    document.add(new Paragraph("Hello World"));
    document.close();
  }
}

Colored Paragraphs

import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.CMYKColor;
import com.lowagie.text.pdf.PatternColor;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfPatternPainter;
import com.lowagie.text.pdf.PdfShading;
import com.lowagie.text.pdf.PdfShadingPattern;
import com.lowagie.text.pdf.PdfSpotColor;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.ShadingColor;
import com.lowagie.text.pdf.SpotColor;
public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document();
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.open();
    PdfContentByte cb = writer.getDirectContent();
    PdfSpotColor psc_cmyk = new PdfSpotColor("iTextSpotColorCMYK", 0.25f, new CMYKColor(0.3f, .9f,
        .3f, .1f));
    SpotColor sc_cmyk = new SpotColor(psc_cmyk);
    Image img = Image.getInstance("dog.jpg");
    PdfPatternPainter img_pattern = cb.createPattern(img.scaledWidth(), img.scaledHeight(), img
        .scaledWidth(), img.scaledHeight());
    img_pattern.addImage(img, img.scaledWidth(), 0f, 0f, img.scaledHeight(), 0f, 0f);
    img_pattern.setPatternMatrix(1f, 0f, 0f, 1f, 60f, 60f);
    document.add(new Paragraph("This is a paragraph painted using a SpotColor", new Font(
        Font.HELVETICA, 24, Font.BOLD, sc_cmyk)));
    document.close();
  }
}

Element.ALIGN_JUSTIFIED

import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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();
    Chunk space = new Chunk("asdf");
    Paragraph paragraph = new Paragraph();
    paragraph.add(space);
    paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
    document.add(paragraph);
    
    
    document.close();
  }
}

Paragraph Alignment: ALIGN_JUSTIFIED

import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.PageSize;
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(PageSize.A8.rotate());
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.open();
    String text = "this is a test";
    Paragraph paragraph = new Paragraph(text);
    paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
    document.add(paragraph);
    document.newPage();
    writer.setSpaceCharRatio(PdfWriter.NO_SPACE_CHAR_RATIO);
    document.add(paragraph);
    document.close();
  }
}

Paragraph Alignment: Element.ALIGN_RIGHT

import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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();
    Chunk space = new Chunk("asdf");
    Paragraph paragraph = new Paragraph();
    paragraph.add(space);
    paragraph.setAlignment(Element.ALIGN_RIGHT);
    document.add(paragraph);
    
    
    document.close();
  }
}

Paragraph Indentation Left

import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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();
    Chunk space = new Chunk("asdf");
    Phrase phrase2 = new Phrase(new Chunk("asdf", new Font(Font.TIMES_ROMAN)));
    Paragraph paragraph = new Paragraph();
    paragraph.add(space);
    paragraph.add(phrase2);
    paragraph.setIndentationLeft(20);
    paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
    document.add(paragraph);
    
    
    document.close();
  }
}

Paragraph Indentation Right

import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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();
    Chunk space = new Chunk("asdf");
    Phrase phrase2 = new Phrase(new Chunk("asdf", new Font(Font.TIMES_ROMAN)));
    Paragraph paragraph = new Paragraph();
    paragraph.add(space);
    paragraph.add(phrase2);
    paragraph.setIndentationRight(20);
    
    document.add(paragraph);
    
    
    document.close();
  }
}

Paragraph Positions

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
public class MainClass {
  public static void main(String[] args) throws Exception {
    Document document = new Document(PageSize.A4);
    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.open();
    PdfContentByte cb = writer.getDirectContent();
    BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
    String line;
    Paragraph p;
    float pos;
    while ((line = reader.readLine()) != null) {
      p = new Paragraph("    " + line);
      p.setAlignment(Element.ALIGN_JUSTIFIED);
      document.add(p);
      pos = writer.getVerticalPosition(false);
      cb.moveTo(0, pos);
      cb.lineTo(PageSize.A4.width(), pos);
      cb.stroke();
      if (pos < 90)
        document.newPage();
    }
    reader.close();
    document.close();
  }
}

Paragraph Spacing After

import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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();
    Chunk space = new Chunk("asdf");
    Phrase phrase2 = new Phrase(new Chunk("asdf", new Font(Font.TIMES_ROMAN)));
    Paragraph paragraph = new Paragraph();
    paragraph.add(space);
    paragraph.add(phrase2);
    paragraph.setSpacingBefore(20);
    paragraph.setSpacingAfter(10);
    paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
    document.add(paragraph);
    
    
    document.close();
  }
}

Paragraph Spacing Before

import java.io.FileOutputStream;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
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();
    Chunk space = new Chunk("asdf");
    Paragraph paragraph = new Paragraph();
    paragraph.add(space);
    paragraph.setSpacingBefore(20);
    paragraph.setAlignment(Element.ALIGN_JUSTIFIED);
    document.add(paragraph);
    
    
    document.close();
  }
}

Paragraph text

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.PageSize;
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(PageSize.A4);
    PdfWriter.getInstance(document, new FileOutputStream("2.pdf"));
    document.open();
    BufferedReader reader = new BufferedReader(new FileReader("a.txt"));
    String line;
    Paragraph p;
    while ((line = reader.readLine()) != null) {
      p = new Paragraph("    " + line);
      p.setAlignment(Element.ALIGN_JUSTIFIED);
      document.add(p);
    }
    reader.close();
    document.close();
  }
}