ByteScout Premium Suite – C# – Draw with transparency in pdf with pdf sdk

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ByteScout Premium Suite – C# – Draw with transparency in pdf with pdf sdk

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ByteScout-Premium-Suite-C-sharp-Draw-with-transparency-in-pdf-with-pdf-sdk.pdf

How to draw with transparency in pdf with pdf sdk in C# using ByteScout Premium Suite

Step-by-step tutorial on how to draw with transparency in pdf with pdf sdk in C#

The sample shows instructions and algorithm of how to draw with transparency in pdf with pdf sdk and how to make it run in your C# application. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can draw with transparency in pdf with pdf sdk in C#.

Want to quickly learn? This fast application programming interfaces of ByteScout Premium Suite for C# plus the guidelines and the code below will help you quickly learn how to draw with transparency in pdf with pdf sdk. Follow the instructions from scratch to work and copy the C# code. Applying C# application mostly includes various stages of the software development so even if the functionality works please test it with your data and the production environment.

You can download free trial version of ByteScout Premium Suite from our website to see and try many others source code samples for C#.

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Program.cs

      using System.Diagnostics;
using Bytescout.PDF;

namespace Transparency
{
    /// <summary>
    /// This example demonstrates how to draw transparent objects.
    /// </summary>
    class Program
    {
        static void Main()
        {
            // Create new document
            Document pdfDocument = new Document();
            pdfDocument.RegistrationName = "demo";
            pdfDocument.RegistrationKey = "demo";
            // Add page
            Page page = new Page(PaperFormat.A4);
            pdfDocument.Pages.Add(page);

            Canvas canvas = page.Canvas;

            // Prepare pens and brushes
            Pen borderPen = new SolidPen(new ColorRGB(0, 0, 0), 2f);
            
            SolidBrush brush1 = new SolidBrush(new ColorRGB(255, 0, 0));
            SolidBrush brush2 = new SolidBrush(new ColorRGB(0, 0, 255));
            
            borderPen.Opacity = 50;
            brush1.Opacity = 30;
            brush2.Opacity = 60;

            // Draw normal rectangles
            canvas.DrawRectangle(brush1, 100, 100, 100, 100);
            canvas.DrawRectangle(borderPen, brush2, 150, 150, 100, 100);

            borderPen.Opacity = 80;
            brush1.Opacity = 60;
            brush2.Opacity = 30;

            // Draw rounded rectangles
            canvas.DrawRoundedRectangle(brush1, 220, 100, 100, 100, 10);
            canvas.DrawRoundedRectangle(borderPen, brush2, 270, 150, 100, 100, 10);
            
            // Save document to file
            pdfDocument.Save("result.pdf");

            // Cleanup 
            pdfDocument.Dispose();

            // Open result document in default associated application (for demo purpose)
            ProcessStartInfo processStartInfo = new ProcessStartInfo("result.pdf");
            processStartInfo.UseShellExecute = true;
            Process.Start(processStartInfo);
        }
    }
}