Class PdfLoadedDocument.PdfFontEventHandler

The EventHandler for Substituting a PDF font.

Inheritance

System.Object

PdfLoadedDocument.PdfFontEventHandler

Namespace: Syncfusion.Pdf.Parsing

Assembly: Syncfusion.Pdf.Portable.dll

Syntax

public sealed class PdfFontEventHandler : MulticastDelegate

Examples

FileStream docStream = new FileStream(@"Input.pdf", FileMode.Open, FileAccess.Read);
PdfLoadedDocument doc = new PdfLoadedDocument(docStream);
PdfLoadedTextBoxField textBoxField = doc.Form.Fields[0] as PdfLoadedTextBoxField;
doc.Form.SetDefaultAppearance(false);  
doc.SubstituteFont += Doc_SubstituteFont;
TextBoxField.Text = "syncfusion";      
Save(doc, "Output.pdf");
Close the document
doc.Close(true);
Update Pdf Font event handler
void Doc_SubstituteFont(object sender, PdfFontEventArgs args)
{
  string fontName = args.FontName
 //Create the type face. 
  SKTypeface typeface = SKTypeface.FromFamilyName(fontName, SkiaSharp.SKFontStyleWeight.Light, SkiaSharp.SKFontStyleWidth.Normal, SkiaSharp.SKFontStyleSlant.Upright);
   //Create stream assest using type face. 
  SKStreamAsset typeFaceStream = typeface.OpenStream();
  MemoryStream memoryStream = null;


typeFaceStream


typeFaceStream.Length
0


{
   //Create fontData from type face stream. 
   byte[] fontData = new byte[typeFaceStream.Length - 1];
   typeFaceStream.Read(fontData, typeFaceStream.Length);
   typeFaceStream.Dispose();
   //Create the new memory stream from font data. 
  memoryStream = new MemoryStream(fontData);
}
//set the font stream to the event args. 
args.FontStream = memoryStream;
}       

Constructors

PdfFontEventHandler(Object, IntPtr)

Declaration

public PdfFontEventHandler(object object, IntPtr method)

Parameters

Type	Name	Description
System.Object	object
System.IntPtr	method

Methods

BeginInvoke(Object, PdfFontEventArgs, AsyncCallback, Object)

Declaration

public virtual IAsyncResult BeginInvoke(object sender, PdfFontEventArgs args, AsyncCallback callback, object object)

Parameters

Type	Name	Description
System.Object	sender
PdfFontEventArgs	args
System.AsyncCallback	callback
System.Object	object

Returns

Type
System.IAsyncResult

EndInvoke(IAsyncResult)

Declaration

public virtual void EndInvoke(IAsyncResult result)

Parameters

Type	Name	Description
System.IAsyncResult	result

Invoke(Object, PdfFontEventArgs)

Declaration

public virtual void Invoke(object sender, PdfFontEventArgs args)

Parameters

Type	Name	Description
System.Object	sender
PdfFontEventArgs	args