PdfGraphics Class

Implements drawing on a PDF page.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Pdf.v19.2.Drawing.dll

Declaration

C#

public class PdfGraphics :
    PdfDisposableObject

VB.NET

Public Class PdfGraphics
    Inherits PdfDisposableObject

Related API Members

The following members return PdfGraphics objects:

• PdfDocumentProcessor.CreateGraphics()

Remarks

The PdfGraphics class contains all graphics content that allows an application to draw on the document.

The PdfDocumentProcessor.CreateGraphics() method creates a new PdfGraphics object. Use the PdfGraphics class object to create an image (PdfGraphics.DrawImage), text (PdfGraphics.DrawString), and other graphic elements.

The PdfGraphics class uses the world coordinate system. See the Coordinate Systems topic for more information on coordinate systems used in the PdfDocumentProcessor.

Refer to the PDF Graphics section for more information on available graphics.

Example

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-generate-a-document-layout-from-scratch-t244516

Program.cs

using DevExpress.Pdf;
using System;
using System.Drawing;

namespace DocumentCreationAPI
{
    class Program {

        static void Main(string[] args)
        {

            using (PdfDocumentProcessor processor = new PdfDocumentProcessor())
            {

                // Create an empty document.
                processor.CreateEmptyDocument("..\\..\\Result.pdf");

                // Create and draw PDF graphics.
                using (PdfGraphics graph = processor.CreateGraphics())
                {
                    DrawGraphics(graph);

                    // Render a page with graphics.
                    processor.RenderNewPage(PdfPaperSize.Letter, graph);
                }
            }
        }

        static void DrawGraphics(PdfGraphics graph)
        {

            // Draw text lines on the page. 
            SolidBrush black = (SolidBrush)Brushes.Black;
            using (Font font1 = new Font("Times New Roman", 32, FontStyle.Bold))
            {
                graph.DrawString("PDF Document Processor", font1, black, 180, 150);
            }
            using (Font font2 = new Font("Arial", 20)) {
                graph.DrawString("Display, Print and Export PDF Documents", font2, black, 168, 230);
            }
            using (Font font3 = new Font("Arial", 10)) {
                graph.DrawString("The PDF Document Processor is a non-visual component " +
                                  "that provides the application programming interface of the PDF Viewer.", font3, black, 16, 300);
            }
        }
    }
}

Program.vb

Imports DevExpress.Pdf
Imports System
Imports System.Drawing

Namespace DocumentCreationAPI
    Friend Class Program

        Shared Sub Main(ByVal args() As String)

            Using processor As New PdfDocumentProcessor()

                ' Create an empty document.
                processor.CreateEmptyDocument("..\..\Result.pdf")

                ' Create and draw PDF graphics.
                Using graph As PdfGraphics = processor.CreateGraphics()
                    DrawGraphics(graph)

                    ' Render a page with graphics.
                    processor.RenderNewPage(PdfPaperSize.Letter, graph)
                End Using
            End Using
        End Sub

        Private Shared Sub DrawGraphics(ByVal graph As PdfGraphics)

            ' Draw text lines on the page. 
            Dim black As SolidBrush = CType(Brushes.Black, SolidBrush)
            Using font1 As New Font("Times New Roman", 32, FontStyle.Bold)
                graph.DrawString("PDF Document Processor", font1, black, 180, 150)
            End Using
            Using font2 As New Font("Arial", 20)
                graph.DrawString("Display, Print and Export PDF Documents", font2, black, 168, 230)
            End Using
            Using font3 As New Font("Arial", 10)
                graph.DrawString("The PDF Document Processor is a non-visual component " & "that provides the application programming interface of the PDF Viewer.", font3, black, 16, 300)
            End Using
        End Sub
    End Class
End Namespace

Inheritance

Object

DevExpress.Pdf.Native.PdfDisposableObject

PdfGraphics