Using Font Kerning and Tracking in PDF (.NET Core/Framework)

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

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);



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