How to draw superscript text in a PDF using C# and VB.NET
Superscript is a character or any format text that is smaller than the preceding text and set slightly above the line. Syncfusion Essential PDF is a .NET PDF library used to create, read, and edit PDF documents. Using this library, you can draw superscript text in a PDF using C# and VB.NET.
Steps to draw superscript text in PDF programmatically:
- Create a new C# console application project.
- Install the Syncfusion.Pdf.WinForms NuGet package as reference to your .NET Framework application from NuGet.org.
- Include the following namespaces in Program.cs file.
C#
using Syncfusion.Pdf; using Syncfusion.Pdf.Graphics; using System.Drawing;
VB.NET
Imports Syncfusion.Pdf Imports Syncfusion.Pdf.Graphics Imports System.Drawing
- Use the following code snippet to draw superscript text in PDF document.
C#
//Create a new PDF document
PdfDocument document = new PdfDocument();
//Add a page to the document
PdfPage page = document.Pages.Add();
//Create PDF graphics for the page
PdfGraphics graphics = page.Graphics;
PointF location = new PointF(0, 0);
//Set the standard font
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 20);
//Draw normal text
string text = "Normal Text";
page.Graphics.DrawString(text, font, PdfBrushes.Black, new PointF(0, 0));
SizeF size = font.MeasureString(text);
location.X += size.Width;
//Draw superscript text
text = "Superscript text";
//Set the format for string
PdfStringFormat format = new PdfStringFormat();
//Set the property for superscript
format.SubSuperScript = PdfSubSuperScript.SuperScript;
page.Graphics.DrawString(text, font, PdfBrushes.Black, location, format);
size = font.MeasureString(text);
location.X += size.Width;
//Save the document
document.Save("SuperScript.pdf");
//Close the document
document.Close(true);
//This will open the PDF file so, the result will be seen in default PDF viewer
System.Diagnostics.Process.Start("Superscript.pdf");
VB.NET
'Create a new PDF document
Dim document As New PdfDocument()
'Add a page to the document
Dim page As PdfPage = document.Pages.Add()
'Create PDF graphics for the page
Dim graphics As PdfGraphics = page.Graphics
Dim location As New PointF(0, 0)
'Set the standard font
Dim font As PdfFont = New PdfStandardFont(PdfFontFamily.Helvetica, 20)
'Draw normal text
Dim text As String = "Normal Text"
page.Graphics.DrawString(text, font, PdfBrushes.Black, New PointF(0, 0))
Dim size As SizeF = font.MeasureString(text)
location.X += size.Width
'Draw superscript text
text = "Superscript text"
'Set the format for string
Dim format As New PdfStringFormat()
'Set the property for superscript
format.SubSuperScript = PdfSubSuperScript.SuperScript
page.Graphics.DrawString(text, font, PdfBrushes.Black, location, format)
size = font.MeasureString(text)
location.X += size.Width
'Save the document
document.Save("SuperScript.pdf")
'Close the document
document.Close(True)
'This will open the PDF file so, the result will be seen in default PDF viewer
System.Diagnostics.Process.Start("SuperScript.pdf")
A complete working sample can be downloaded from DrawSuperscriptTextSample.zip.
By executing the program, you will get the PDF document as follows.
Take a moment to peruse the documentation, where you can find options like drawing text in a new and existing PDF document, Right-To-Left text drawing, embedding fonts and working with Unicode text, drawing complex script language text with code examples.
Refer here to explore the rich set of Syncfusion Essential PDF features.
Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to link to learn about generating and registering Syncfusion license key in your application to use the components without trail message.
