ByteScout PDF SDK – C# – Set Transformations for Drawings in PDF

Home
/
Articles
/
ByteScout PDF SDK – C# – Set Transformations for Drawings in PDF

printable version:
ByteScout-PDF-SDK-C-sharp-Set-Transformations-for-Drawings-in-PDF.pdf

How to set transformations for drawings in PDF in C# using ByteScout PDF SDK

The tutorial shows how to set transformations for drawings in PDF in C#

The sample shows steps and algorithm of how to set transformations for drawings in PDF and how to make it work in your C# application. ByteScout PDF SDK is the component to help programmers in generating new pdf files, modifying and updating existing pdf documents or pdf forms. Provides support for auto-filling pdf forms, adding text with adjustable font, style, size, font family, new form fields, vector and raster drawings. It can be used to set transformations for drawings in PDF using C#.

Fast application programming interfaces of ByteScout PDF SDK for C# plus the instruction and the code below will help you quickly learn how to set transformations for drawings in PDF. This C# sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! This basic programming language sample code for C# will do the whole work for you to set transformations for drawings in PDF.

Free trial version of ByteScout PDF SDK is available for download from our website. Get it to try other source code samples for C#.

On-demand (REST Web API) version:
Web API (on-demand version)

On-premise offline SDK for Windows:
60 Day Free Trial (on-premise)

Program.cs

      using System.Diagnostics;
using Bytescout.PDF;

namespace Transformations
{
    /// <summary>
    /// This example demonstrates how to use coordinate space transformations.
    /// </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
            Pen blackPen = new SolidPen(new ColorRGB(0, 0, 0), 2f);
            blackPen.Opacity = 50;
            Pen bluePen = new SolidPen(new ColorRGB(0, 0, 255), 2f);
            bluePen.Opacity = 50;
            Pen greenPen = new SolidPen(new ColorRGB(0, 255, 0), 2f);
            greenPen.Opacity = 50;

            // Move coordinate space zero point to (200, 200) and draw a rectangle of 50x50 dize
            canvas.TranslateTransform(200, 200);
            canvas.DrawRectangle(blackPen, 0, 0, 50, 50);

            // Now zoom the coordinate space in twice and draw the same rectangle in green
            canvas.ScaleTransform(2, 2);
            canvas.DrawRectangle(greenPen, 0, 0, 50, 50);

            // Now rotate the coordinate space by 30 degrees and draw the same rectangle in blue
            canvas.RotateTransform(30);
            canvas.DrawRectangle(bluePen, 0, 0, 50, 50);
            
            // 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);
        }
    }
}