Using Font Kerning and Tracking in PDF in C# (.NET Core)

Using Font Kerning and Tracking in PDF using DynamicPDF Generator is simple and easy. Kerning (different from tracking) is a font's ability to adjust the spacing between certain pairs of letters. Tracking, is the amount of overall space between all letters.

How to use Font Kerning and Tracking in PDF in C#

Below are the steps and sample code to use Font Kerning and Tracking in PDF document using the Generator product.

Steps for using Fonts in a PDF Document

  1. Create a Document object.
  2. Create a Page object.
  3. Create a TextArea object and add the text to be displayed.
  4. Enable Kerning for Textarea by setting the KerningEnabled property to true .
  5. You will just need to loop over the entire TextArea's KernValues' Spacing array and assign a certain value for every pair (or a subset of pairs). Assign positive value for making the space between chars closer and negative value for making the space further.
  6. Save the PDF document.

Sample Code - C#

Document document = new Document();
Page page = new Page();
string text = "To and WA are examples of when kerning would be used.";
TextArea textArea = new TextArea(text, 10, 10, 400, 700, Font.TimesRoman);

textArea.KerningEnabled = true;
KerningValues kernValues = textArea.GetKerningValues();

for (int i = 0; i < kernValues.Spacing.Length; i++)
{
        kernValues.Spacing[i] = (short)(kernValues.Spacing[i] - 400);
}

page.Elements.Add(textArea);
document.Pages.Add(page);  

document.Draw(@"C:\Output.pdf");        

Over 75 Page Elements

DynamicPDF Generator contains over 75 page elements so you can add rich content to the PDFs you create:

  • Images
  • Text Objects (TextArea and Label)
  • HTML
  • Barcodes (47 types)
  • Form Fields
  • Charts

Getting Started

NuGet Package

DynamicPDF Generator is available on NuGet and is part of the ceTe.DynamicPDF.CoreSuite.NET package. The Core Suite package includes Generator, Merger and ReportWriter.

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NuGet Package ID: ceTe.DynamicPDF.CoreSuite.NET

Example Project

An example project showing this functionality can be cloned or viewed from GitHub:

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Clone or View Example Project on GitHub

DynamicPDF Generator Information

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Available in other platforms

DynamicPDF Generator is available for the following platforms. Refer to the respective product pages for more details.

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