Java/PDF RTF/Coordinate

Coordinate UpsideDown

import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.PageSize;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
public class CoordinateUpsideDownPDF {
  public static void main(String[] args) {
    Document document = new Document(PageSize.A4);
    try {
      PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("CoordinateUpsideDownPDF.pdf"));
      document.open();
      PdfContentByte cb = writer.getDirectContent();
      cb.concatCTM(1f, 0f, 0f, -1f, 0f, PageSize.A4.height());
      cb.moveTo(216, 720);
      cb.lineTo(360, 360);
      cb.lineTo(360, 504);
      cb.lineTo(72, 144);
      cb.lineTo(144, 288);
      cb.stroke();
    } catch (Exception e) {
      System.err.println(e.getMessage());
    }
    document.close();
  }
}

X, Y coordinates

import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
public class XandYcoordinatesPdfContentByte {
  public static void main(String[] args) {
    Document document = new Document();
    try {
      PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("XandYcoordinatesPdfContentByte.pdf"));
      document.open();
      PdfContentByte cb = writer.getDirectContent();
      cb.moveTo(216, 720);
      cb.lineTo(360, 360);
      cb.lineTo(360, 504);
      cb.lineTo(72, 144);
      cb.lineTo(144, 288);
      cb.stroke();
    } catch (Exception e) {
      System.err.println(e.getMessage());
    }
    document.close();
  }
}

X, Y coordinates: PdfContentByte Text

import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
public class XandYcoordinatesPdfContentByteText {
  public static void main(String[] args) {
    Document document = new Document();
    try {
      PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("XandYcoordinatesPdfContentByteText.pdf"));
      document.open();
      PdfContentByte cb = writer.getDirectContent();
      BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
      cb.beginText();
      cb.setFontAndSize(bf, 12);
      cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "text", 200, 300, 0);
      cb.endText();     
    } catch (Exception e) {
      System.err.println(e.getMessage());
    }
    document.close();
  }
}