Draw with Clipping in PDF - VB.NET
PDF SDK sample in VB.NET demonstrating ‘Draw with Clipping in PDF’
Program.vb
Imports System.Drawing
Imports Bytescout.PDF
''' <summary>
''' This example demonstrates how to use the graphics clipping.
''' </summary>
Class Program
Shared Sub Main()
' Create new document
Dim pdfDocument = New Document()
pdfDocument.RegistrationName = "demo"
pdfDocument.RegistrationKey = "demo"
' If you wish to load an existing document uncomment the line below And comment the Add page section instead
' pdfDocument.Load(".\existing_document.pdf")
' Add page
Dim page = New Page(PaperFormat.A4)
pdfDocument.Pages.Add(page)
Dim center = New PointF(200, 200)
' Create clipping path from circle
Dim path = New Path()
path.AddCircle(center, 100)
page.Canvas.SetClip(path)
' Paint Bytescout.PDF.Rectangle over the clipping circle.
' Only part of the Bytescout.PDF.Rectangle intersecting the clipping circle will be drawn.
Dim brush = New Bytescout.PDF.SolidBrush(New ColorRGB(255, 0, 0))
page.Canvas.DrawRectangle(brush, center.X - 50, center.Y - 50, 200, 200)
' Save document to file
pdfDocument.Save("result.pdf")
' Cleanup
pdfDocument.Dispose()
' Open document in default PDF viewer app
Process.Start("result.pdf")
End Sub
End Class
Resources.Designer.vb
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