How to use image brush in PDF using C# and VB.NET in WF application?
The Syncfusion Essential® PDF is a feature-rich and high performance .NET PDF library used to create, read, and edit PDF documents programmatically without Adobe dependencies. This library also offers functionality to merge, split, stamp, forms, compress, and secure PDF files.
An image can be drawn repeatedly on PDF document by using the tiling brush.
Steps to draw an image repeatedly on PDF document programmatically in C#:
- Create a new C# console application project.
- Install the Syncfusion.Pdf.WinForms NuGet package as a reference to the .NET Framework application from the NuGet.org.
- You can draw an image on PDF page by using the DrawImage method of PdfGraphics.
C#
//Draw image inside the tile brush.Graphics.DrawImage(image, new RectangleF(0, 0, 39, 29));
VB.NET
'Draw image inside the tile brush.Graphics.DrawImage(image, New RectangleF(0, 0, 39, 29))
- Syncfusion Essential® PDF supports drawing an image or shape repeatedly on PDF document by using the instance of PdfTilingBrush.
- Include the following namespaces in the 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
- Include the following code snippet in the main method of Program.cs file to draw an image repeatedly on PDF page.
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;
//Load the image into PdfImage
PdfImage image = PdfImage.FromFile("Logo.gif");
//Create a new PDF tiling brush
PdfTilingBrush brush = new PdfTilingBrush(new RectangleF(0, 0, 40, 30));
//Draw image inside the tile
brush.Graphics.DrawImage(image, new RectangleF(0, 0, 39, 29));
//Draw the rectangle
graphics.DrawRectangle(brush, new RectangleF(80, 30, 360, 200));
//Save the PDF document
document.Save("ImageBrush.pdf");
//Close the instance of PdfDocument
document.Close(true);
VB.NET
'Create a new PDF document
Dim document As PdfDocument = 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
'Load the image into PdfImage
Dim image As PdfImage = PdfImage.FromFile("Logo.gif")
'Create a new PDF tiling brush
Dim brush As PdfTilingBrush = New PdfTilingBrush(New RectangleF(0, 0, 40, 30))
'Draw image inside the tile
brush.Graphics.DrawImage(image, New RectangleF(0, 0, 39, 29))
'Draw the rectangle
graphics.DrawRectangle(brush, New RectangleF(80, 30, 360, 200))
'Save the PDF document
document.Save("ImageBrush.pdf")
'Close the instance of PdfDocument
document.Close(True)
A complete work sample to draw an image repeatedly on PDF page can be downloaded from DrawImage.zip.
By executing the program, you will get the PDF document as follows.
Take a moment to peruse the documentation where you will find other options like drawing shapes with solid brush, linear gradient brush, radial gradient brush and tiling brush.
Click here to explore the rich set of Syncfusion Essential® PDF features.
See Also:
Drawing different shapes on PDF document.
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.
Conclusion
I hope you enjoyed learning about how to use image brush in PDF using C# and VB.NET in WF application.
You can refer to our PDF feature tour page to know about its other groundbreaking feature representations. You can also explore our documentation to understand how to create and manipulate data.
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