The sample demonstrates how to work with font in PDF document.

Download Font.pdf

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

namespace Font
{
    class Program
    {
        static void Main(string[] args)
        {

            //Create a pdf document.
            PdfDocument doc = new PdfDocument();

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

            //Draw the text
            float l = page.Canvas.ClientSize.Width / 2;
            PointF center = new PointF(l, l);
            float r = (float)Math.Sqrt(2 * l * l);
            PdfRadialGradientBrush brush
                = new PdfRadialGradientBrush(center, 0f, center, r, Color.Blue, Color.Red);
            PdfFontFamily[] fontFamilies
                = (PdfFontFamily[])Enum.GetValues(typeof(PdfFontFamily));
            float y = 10;
            for (int i = 0; i < fontFamilies.Length; i++)
            {
                String text = String.Format("Font Family: {0}", fontFamilies[i]);
                float x1 = 0;
                y = 10 + i * 16;
                PdfFont font1 = new PdfFont(PdfFontFamily.Courier, 14f);
                PdfFont font2 = new PdfFont(fontFamilies[i], 14f);
                float x2 = x1 + 10 + font1.MeasureString(text).Width;
                page.Canvas.DrawString(text, font1, brush, x1, y);
                page.Canvas.DrawString(text, font2, brush, x2, y);
            }

            //true type font - embedded.
            System.Drawing.Font font = new System.Drawing.Font("Arial", 14f, FontStyle.Bold);
            PdfTrueTypeFont trueTypeFont = new PdfTrueTypeFont(font);
            page.Canvas.DrawString("Font Family: Arial - Embedded", trueTypeFont, brush, 0, (y = y + 16f));

            //right to left
            String arabicText
                = "\u0627\u0644\u0630\u0647\u0627\u0628\u0021\u0020"
                + "\u0628\u062F\u0648\u0631\u0647\u0020\u062D\u0648\u0644\u0647\u0627\u0021\u0020"
                + "\u0627\u0644\u0630\u0647\u0627\u0628\u0021\u0020"
                + "\u0627\u0644\u0630\u0647\u0627\u0628\u0021\u0020"
                + "\u0627\u0644\u0630\u0647\u0627\u0628\u0021";
            trueTypeFont = new PdfTrueTypeFont(font, true);
            RectangleF rctg = new RectangleF(new PointF(0, (y = y + 16f)), page.Canvas.ClientSize);
            PdfStringFormat format = new PdfStringFormat(PdfTextAlignment.Right);
            format.RightToLeft = true;
            page.Canvas.DrawString(arabicText, trueTypeFont, brush, rctg, format);

            //true type font - not embedded
            font = new System.Drawing.Font("Batang", 14f, FontStyle.Italic);
            trueTypeFont = new PdfTrueTypeFont(font);
            page.Canvas.DrawString("Font Family: Batang - Not Embedded", trueTypeFont, brush, 0, (y = y + 16f));

            //font file
            String fontFileName = "Hawaii_Killer.ttf";
            trueTypeFont = new PdfTrueTypeFont(fontFileName, 20f);
            page.Canvas.DrawString("Hawaii Killer Font", trueTypeFont, brush, 0, (y = y + 16f));
            page.Canvas.DrawString("Hawaii Killer Font, from http://www.1001freefonts.com",
                new PdfFont(PdfFontFamily.Helvetica, 8f), brush, 10, (y = y + 20f));

            //cjk font
            PdfCjkStandardFont cjkFont = new PdfCjkStandardFont(PdfCjkFontFamily.MonotypeHeiMedium, 14f);
            page.Canvas.DrawString("How to say 'Font' in Chinese? \u5B57\u4F53",
                cjkFont, brush, 0, (y = y + 16f));

            cjkFont = new PdfCjkStandardFont(PdfCjkFontFamily.HanyangSystemsGothicMedium, 14f);
            page.Canvas.DrawString("How to say 'Font' in Japanese? \u30D5\u30A9\u30F3\u30C8",
                cjkFont, brush, 0, (y = y + 16f));

            cjkFont = new PdfCjkStandardFont(PdfCjkFontFamily.HanyangSystemsShinMyeongJoMedium, 14f);
            page.Canvas.DrawString("How to say 'Font' in Korean? \uAE00\uAF34",
                cjkFont, brush, 0, (y = y + 16f));

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

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

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

Namespace FontFormat
    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()

            'Draw the text
            Dim l As Single = page.Canvas.ClientSize.Width / 2
            Dim center As New PointF(l, l)
            Dim r As Single = CSng(Math.Sqrt(2 * l * l))
            Dim brush As New PdfRadialGradientBrush(center, 0.0F, center, r, Color.Blue, Color.Red)
            Dim fontFamilies() As PdfFontFamily _
                = CType(System.Enum.GetValues(GetType(PdfFontFamily)), PdfFontFamily())
            Dim y As Single = 10
            For i As Integer = 0 To fontFamilies.Length - 1
                Dim text As String = String.Format("Font Family: {0}", fontFamilies(i))
                Dim x1 As Single = 0
                y = 10 + i * 16
                Dim font1 As New PdfFont(PdfFontFamily.Courier, 14.0F)
                Dim font2 As New PdfFont(fontFamilies(i), 14.0F)
                Dim x2 As Single = x1 + 10 + font1.MeasureString(text).Width
                page.Canvas.DrawString(text, font1, brush, x1, y)
                page.Canvas.DrawString(text, font2, brush, x2, y)
            Next i

            'true type font - embedded.
            Dim font As New System.Drawing.Font("Arial", 14.0F, FontStyle.Bold)
            Dim trueTypeFont As New PdfTrueTypeFont(font)
            y = y + 16.0F
            page.Canvas.DrawString("Font Family: Arial - Embedded", trueTypeFont, brush, 0, y)


            'right to left
            Dim arabicText As String _
                = ChrW(&H627).ToString() & ChrW(&H644).ToString() & ChrW(&H630).ToString() _
                & ChrW(&H647).ToString() & ChrW(&H627).ToString() & ChrW(&H628).ToString() _
                & ChrW(&H21).ToString() & ChrW(&H20).ToString() & ChrW(&H628).ToString() _
                & ChrW(&H62F).ToString() & ChrW(&H648).ToString() & ChrW(&H631).ToString() _
                & ChrW(&H647).ToString() & ChrW(&H20).ToString() & ChrW(&H62D).ToString() _
                & ChrW(&H648).ToString() & ChrW(&H644).ToString() & ChrW(&H647).ToString() _
                & ChrW(&H627).ToString() & ChrW(&H21).ToString() & ChrW(&H20).ToString() _
                & ChrW(&H627).ToString() & ChrW(&H644).ToString() & ChrW(&H630).ToString() _
                & ChrW(&H647).ToString() & ChrW(&H627).ToString() & ChrW(&H628).ToString() _
                & ChrW(&H21).ToString() & ChrW(&H20).ToString() & ChrW(&H627).ToString() _
                & ChrW(&H644).ToString() & ChrW(&H630).ToString() & ChrW(&H647).ToString() _
                & ChrW(&H627).ToString() & ChrW(&H628).ToString() & ChrW(&H21).ToString() _
                & ChrW(&H20).ToString() & ChrW(&H627).ToString() & ChrW(&H644).ToString() _
                & ChrW(&H630).ToString() & ChrW(&H647).ToString() & ChrW(&H627).ToString() _
                & ChrW(&H628).ToString() & ChrW(&H21).ToString()
            trueTypeFont = New PdfTrueTypeFont(font, True)
            y = y + 16.0F
            Dim rctg As New RectangleF(New PointF(0, y), page.Canvas.ClientSize)
            Dim format As New PdfStringFormat(PdfTextAlignment.Right)
            format.RightToLeft = True
            page.Canvas.DrawString(arabicText, trueTypeFont, brush, rctg, format)

            'true type font - not embedded
            font = New System.Drawing.Font("Batang", 14.0F, FontStyle.Italic)
            trueTypeFont = New PdfTrueTypeFont(font)
            y = y + 16.0F
            page.Canvas.DrawString("Font Family: Batang - Not Embedded", trueTypeFont, brush, 0, y)
            'font file
            Dim fontFileName As String = "Hawaii_Killer.ttf"
            trueTypeFont = New PdfTrueTypeFont(fontFileName, 20.0F)
            y = y + 16.0F
            page.Canvas.DrawString("Hawaii Killer Font", trueTypeFont, brush, 0, y)
            y = y + 20.0F
            page.Canvas.DrawString("Hawaii Killer Font, from http://www.1001freefonts.com", _
                                   New PdfFont(PdfFontFamily.Helvetica, 8.0F), brush, 10, y)

            'cjk font
            Dim cjkFont As New PdfCjkStandardFont(PdfCjkFontFamily.MonotypeHeiMedium, 14.0F)
            y = y + 16.0F
            page.Canvas.DrawString("How to say 'Font' in Chinese? " _
                                   & ChrW(&H5B57).ToString() & ChrW(&H4F53).ToString(), cjkFont, brush, 0, y)

            cjkFont = New PdfCjkStandardFont(PdfCjkFontFamily.HanyangSystemsGothicMedium, 14.0F)
            y = y + 16.0F
            page.Canvas.DrawString("How to say 'Font' in Japanese? " _
                                   & ChrW(&H30D5).ToString() & ChrW(&H30A9).ToString() _
                                   & ChrW(&H30F3).ToString() & ChrW(&H30C8).ToString(), cjkFont, brush, 0, y)

            cjkFont = New PdfCjkStandardFont(PdfCjkFontFamily.HanyangSystemsShinMyeongJoMedium, 14.0F)
            y = y + 16.0F
            page.Canvas.DrawString("How to say 'Font' in Korean? " _
                                   & ChrW(&HAE00).ToString() & ChrW(&HAF34).ToString(), cjkFont, brush, 0, y)

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

            'Launching the Pdf file.
            Process.Start("Font.pdf")
        End Sub
    End Class
End Namespace