The sample demonstrates how to draw text to a PDF document.

Download DrawText.pdf

using System;
using System.Drawing;
using Spire.Pdf;
using Spire.Pdf.Graphics;

namespace DrawText
{
    class Program
    {
        static void Main(string[] args)
        {
            //Create a pdf document.
            PdfDocument doc = new PdfDocument();

            // Create one page
            PdfPageBase page = doc.Pages.Add();

            DrawText(page);
            AlignText(page);
            AlignTextInRectangle(page);
            TransformText(page);
            RotateText(page);

            //Save doc file.
            doc.SaveToFile("DrawText.pdf");
            doc.Close();

            //Launching the Pdf file.
            System.Diagnostics.Process.Start("DrawText.pdf");
        }

        private static void RotateText(PdfPageBase page)
        {
            //save graphics state
            PdfGraphicsState state = page.Canvas.Save();

            //Draw the text - transform           
            PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 10f);
            PdfSolidBrush brush = new PdfSolidBrush(Color.Blue);

            PdfStringFormat centerAlignment
                = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle);
            float x = page.Canvas.ClientSize.Width / 2;
            float y = 380;

            page.Canvas.TranslateTransform(x, y);
            for (int i = 0; i < 12; i++)
            {
                page.Canvas.RotateTransform(30);
                page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, 20, 0, centerAlignment);
            }

            //restor graphics
            page.Canvas.Restore(state);
        }

        private static void TransformText(PdfPageBase page)
        {
            //save graphics state
            PdfGraphicsState state = page.Canvas.Save();

            //Draw the text - transform           
            PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 18f);
            PdfSolidBrush brush1 = new PdfSolidBrush(Color.DeepSkyBlue);
            PdfSolidBrush brush2 = new PdfSolidBrush(Color.CadetBlue);

            page.Canvas.TranslateTransform(20, 200);
            page.Canvas.ScaleTransform(1f, 0.6f);
            page.Canvas.SkewTransform(-10, 0);
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush1, 0, 0);

            page.Canvas.SkewTransform(10, 0);
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, 0);

            page.Canvas.ScaleTransform(1f, -1f);
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, -2 * 18);
            //restor graphics
            page.Canvas.Restore(state);
        }

        private static void AlignTextInRectangle(PdfPageBase page)
        {
            //Draw the text - align in rectangle
            PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 10f);
            PdfSolidBrush brush = new PdfSolidBrush(Color.Blue);
            RectangleF rctg1 = new RectangleF(0, 70, page.Canvas.ClientSize.Width / 2, 100);
            RectangleF rctg2
                = new RectangleF(page.Canvas.ClientSize.Width / 2, 70, page.Canvas.ClientSize.Width / 2, 100);
            page.Canvas.DrawRectangle(new PdfSolidBrush(Color.LightBlue), rctg1);
            page.Canvas.DrawRectangle(new PdfSolidBrush(Color.LightSkyBlue), rctg2);

            PdfStringFormat leftAlignment
                = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Top);
            page.Canvas.DrawString("Left! Left!", font, brush, rctg1, leftAlignment);
            page.Canvas.DrawString("Left! Left!", font, brush, rctg2, leftAlignment);

            PdfStringFormat rightAlignment
                = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle);
            page.Canvas.DrawString("Right! Right!", font, brush, rctg1, rightAlignment);
            page.Canvas.DrawString("Right! Right!", font, brush, rctg2, rightAlignment);

            PdfStringFormat centerAlignment
                = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Bottom);
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg1, centerAlignment);
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg2, centerAlignment);
        }

        private static void AlignText(PdfPageBase page)
        {
            //Draw the text - alignment
            PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 20f);
            PdfSolidBrush brush = new PdfSolidBrush(Color.Blue);

            PdfStringFormat leftAlignment = new PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle);
            page.Canvas.DrawString("Left!", font, brush, 0, 20, leftAlignment);
            page.Canvas.DrawString("Left!", font, brush, 0, 50, leftAlignment);

            PdfStringFormat rightAlignment = new PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle);
            page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 30, rightAlignment);
            page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 60, rightAlignment);

            PdfStringFormat centerAlignment
                = new PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle);
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!",
                font, brush, page.Canvas.ClientSize.Width / 2, 40, centerAlignment);
        }

        private static void DrawText(PdfPageBase page)
        {
            //save graphics state
            PdfGraphicsState state = page.Canvas.Save();

            //Draw text - brush
            String text = "Go! Turn Around! Go! Go! Go!";
            PdfPen pen = PdfPens.DeepSkyBlue;
            PdfSolidBrush brush = new PdfSolidBrush(Color.White);
            PdfStringFormat format = new PdfStringFormat();
            PdfFont font = new PdfFont(PdfFontFamily.Helvetica, 18f, PdfFontStyle.Italic);
            SizeF size = font.MeasureString(text, format);
            RectangleF rctg
                = new RectangleF(page.Canvas.ClientSize.Width / 2 + 10, 180,
                size.Width / 3 * 2, size.Height * 2);
            page.Canvas.DrawString(text, font, pen, brush, rctg, format);

            //restor graphics
            page.Canvas.Restore(state);
        }
    }
}

Imports System.Drawing
Imports Spire.Pdf
Imports Spire.Pdf.Graphics

Namespace DrawText
    Friend Class Program
        Shared Sub Main(ByVal args() As String)
            'Create a pdf document.
            Dim doc As New PdfDocument()

            ' Create one page
            Dim page As PdfPageBase = doc.Pages.Add()

            DrawText(page)
            AlignText(page)
            AlignTextInRectangle(page)
            TransformText(page)
            RotateText(page)

            'Save doc file.
            doc.SaveToFile("DrawText.pdf")
            doc.Close()

            'Launching the Pdf file.
            Process.Start("DrawText.pdf")
        End Sub

        Private Shared Sub RotateText(ByVal page As PdfPageBase)
            'save graphics state
            Dim state As PdfGraphicsState = page.Canvas.Save()

            'Draw the text - transform           
            Dim font As New PdfFont(PdfFontFamily.Helvetica, 10.0F)
            Dim brush As New PdfSolidBrush(Color.Blue)

            Dim centerAlignment As New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle)
            Dim x As Single = page.Canvas.ClientSize.Width \ 2
            Dim y As Single = 380

            page.Canvas.TranslateTransform(x, y)
            For i As Integer = 0 To 11
                page.Canvas.RotateTransform(30)
                page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, 20, 0, centerAlignment)
            Next i

            'restor graphics
            page.Canvas.Restore(state)
        End Sub

        Private Shared Sub TransformText(ByVal page As PdfPageBase)
            'save graphics state
            Dim state As PdfGraphicsState = page.Canvas.Save()

            'Draw the text - transform           
            Dim font As New PdfFont(PdfFontFamily.Helvetica, 18.0F)
            Dim brush1 As New PdfSolidBrush(Color.DeepSkyBlue)
            Dim brush2 As New PdfSolidBrush(Color.CadetBlue)

            page.Canvas.TranslateTransform(20, 200)
            page.Canvas.ScaleTransform(1.0F, 0.6F)
            page.Canvas.SkewTransform(-10, 0)
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush1, 0, 0)

            page.Canvas.SkewTransform(10, 0)
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, 0)

            page.Canvas.ScaleTransform(1.0F, -1.0F)
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush2, 0, -2 * 18)
            'restor graphics
            page.Canvas.Restore(state)
        End Sub

        Private Shared Sub AlignTextInRectangle(ByVal page As PdfPageBase)
            'Draw the text - align in rectangle
            Dim font As New PdfFont(PdfFontFamily.Helvetica, 10.0F)
            Dim brush As New PdfSolidBrush(Color.Blue)
            Dim rctg1 As New RectangleF(0, 70, page.Canvas.ClientSize.Width \ 2, 100)
            Dim rctg2 As New RectangleF(page.Canvas.ClientSize.Width \ 2, 70, page.Canvas.ClientSize.Width \ 2, 100)
            page.Canvas.DrawRectangle(New PdfSolidBrush(Color.LightBlue), rctg1)
            page.Canvas.DrawRectangle(New PdfSolidBrush(Color.LightSkyBlue), rctg2)

            Dim leftAlignment As New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Top)
            page.Canvas.DrawString("Left! Left!", font, brush, rctg1, leftAlignment)
            page.Canvas.DrawString("Left! Left!", font, brush, rctg2, leftAlignment)

            Dim rightAlignment As New PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle)
            page.Canvas.DrawString("Right! Right!", font, brush, rctg1, rightAlignment)
            page.Canvas.DrawString("Right! Right!", font, brush, rctg2, rightAlignment)

            Dim centerAlignment As New PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Bottom)
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg1, centerAlignment)
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", font, brush, rctg2, centerAlignment)
        End Sub

        Private Shared Sub AlignText(ByVal page As PdfPageBase)
            'Draw the text - alignment
            Dim font As New PdfFont(PdfFontFamily.Helvetica, 20.0F)
            Dim brush As New PdfSolidBrush(Color.Blue)

            Dim leftAlignment As New PdfStringFormat(PdfTextAlignment.Left, PdfVerticalAlignment.Middle)
            page.Canvas.DrawString("Left!", font, brush, 0, 20, leftAlignment)
            page.Canvas.DrawString("Left!", font, brush, 0, 50, leftAlignment)

            Dim rightAlignment As New PdfStringFormat(PdfTextAlignment.Right, PdfVerticalAlignment.Middle)
            page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 30, rightAlignment)
            page.Canvas.DrawString("Right!", font, brush, page.Canvas.ClientSize.Width, 60, rightAlignment)

            Dim centerAlignment As New PdfStringFormat(PdfTextAlignment.Center, PdfVerticalAlignment.Middle)
            page.Canvas.DrawString("Go! Turn Around! Go! Go! Go!", _
                                   font, brush, page.Canvas.ClientSize.Width \ 2, 40, centerAlignment)
        End Sub

        Private Shared Sub DrawText(ByVal page As PdfPageBase)
            'save graphics state
            Dim state As PdfGraphicsState = page.Canvas.Save()

            'Draw text - brush
            Dim text As String = "Go! Turn Around! Go! Go! Go!"
            Dim pen As PdfPen = PdfPens.DeepSkyBlue
            Dim brush As New PdfSolidBrush(Color.White)
            Dim format As New PdfStringFormat()
            Dim font As New PdfFont(PdfFontFamily.Helvetica, 18.0F, PdfFontStyle.Italic)
            Dim size As SizeF = font.MeasureString(text, format)
            Dim rctg As New RectangleF(page.Canvas.ClientSize.Width \ 2 + 10, 180, size.Width \ 3 * 2, size.Height * 2)
            page.Canvas.DrawString(text, font, pen, brush, rctg, format)

            'restor graphics
            page.Canvas.Restore(state)
        End Sub
    End Class
End Namespace