import com.spire.pdf.graphics.*;

import java.awt.*;

public class AlignTextInLine {

    public static void main(String[] args) {

        //create a PdfDocument object 
        PdfDocument doc = new PdfDocument();

        //add a page 
        PdfPageBase page = doc.getPages().add();

        //create a true type font
        PdfTrueTypeFont font= new PdfTrueTypeFont(new Font("Times New Roman",Font.PLAIN,15));

        //create a brush 
        PdfSolidBrush brush = new PdfSolidBrush(new PdfRGBColor(Color.black));

        //create a PdfStringFormat object, specifying PdfTextAlignment to Left
        PdfStringFormat leftAlignment = new PdfStringFormat(PdfTextAlignment.Left);

        //draw text at left 
        page.getCanvas().drawString("Left", font , brush, 0, 20, leftAlignment);

        //draw text at right 
        PdfStringFormat rightAlignment = new PdfStringFormat(PdfTextAlignment.Right);
        page.getCanvas().drawString("Right", font , brush, page.getCanvas().getClientSize().getWidth(), 20, rightAlignment);

        //draw text in center 
        PdfStringFormat centerAlignment = new PdfStringFormat(PdfTextAlignment.Center);
        page.getCanvas().drawString("Center", font , brush, page.getCanvas().getClientSize().getWidth() / 2, 20, centerAlignment);

        //save the file 
        doc.saveToFile("AlignTextInLine.pdf");
    }
}

import com.spire.pdf.graphics.*;

import java.awt.*;
import java.awt.geom.Rectangle2D;

public class AlignTextInRectangle {

    public static void main(String[] args) {

        //create a PdfDocument object 
        PdfDocument doc = new PdfDocument();

        //add a page 
        PdfPageBase page = doc.getPages().add();

        //create a true type font
        PdfTrueTypeFont font= new PdfTrueTypeFont(new Font("Times New Roman",Font.PLAIN,15));

        //craete a pen 
        PdfPen pen = new PdfPen(new PdfRGBColor(Color.black));

        //create a brush 
        PdfSolidBrush brush = new PdfSolidBrush(new PdfRGBColor(Color.black));

        //draw a rectangle 
        Rectangle2D.Float rect = new Rectangle2D.Float();
        rect.setRect(0, 20, page.getCanvas().getClientSize().getWidth() / 2, 100);
        page.getCanvas().drawRectangle(pen, rect);

        //create a PdfStringFormat object, specifying PdfTextAlignment to Top and Left
        PdfStringFormat topLeft = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Top);

        //draw text at top left
        page.getCanvas().drawString("TopLeft", font, brush, rect, topLeft);

        //draw text at top right 
        PdfStringFormat topRight = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Top);
        page.getCanvas().drawString("TopRight", font, brush, rect, topRight);

        //draw text in center 
        PdfStringFormat center = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle);
        page.getCanvas().drawString("Center", font, brush, rect, center);

        //draw text at bottom left 
        PdfStringFormat bottomLeft = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Bottom);
        page.getCanvas().drawString("BottomLeft", font, brush, rect, bottomLeft);

        //draw text at bottom right 
        PdfStringFormat bottomRight = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Bottom);
        page.getCanvas().drawString("BottomRight", font, brush, rect, bottomRight);

        //save the file 
        doc.saveToFile("AlignTextInRectangle.pdf");
    }
}