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PdfFocusToDrawingImage Method

Saves the specific page of the PDF document into Image.

Namespace: SautinSoft
Assembly: SautinSoft.PdfFocus (in SautinSoft.PdfFocus.dll) Version: 2024.3.28
Syntax
Copy
public SKBitmap ToDrawingImage(
	int page
)

Parameters

page  Int32
The page to save.

Return Value

SKBitmap
Image object - converting successfully
null - converting failed
Remarks
Before converting you may set various image properties using the property ImageOptions. For example, set:
  • Dpi - image resolution in dots per inch. Default value: 200
  • ImageFormat - format for produced images as standard ImageFormat. Default value: Png
  • ColorDepth - color depth or bit depth is the number of bits used to represent the color of a single pixel. Default value: 24 bit RGB
Example
Convert custom PDF page to SkiaSharp.SKBitmap in C#
Copy
using SkiaSharp;
using System;
using System.IO;

namespace Sample
{
    class Sample
    {
        static void Main(string[] args)
        {
            // Get your free 30-day key here:   
            // https://sautinsoft.com/start-for-free/

            //Convert custom PDF page to Image object
            SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();


            string pdfPath = Path.GetFullPath(@"..\..\..\text and graphics.pdf");
            string imagePath = "Result.jpg";

            f.OpenPdf(pdfPath);

            if (f.PageCount > 0)
            {
                //Let's convert 1st page into System.Drawing.Image object, 120 dpi
                f.ImageOptions.Dpi = 120;
                SKBitmap img = f.ToDrawingImage(1);

                //Save to file
                if (img != null)
                {
                    img.Encode(new FileStream(imagePath, FileMode.Create), SKEncodedImageFormat.Jpeg, 90);
                    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(imagePath) { UseShellExecute = true });
                }
            }
        }
    }
}
Convert custom PDF page to SkiaSharp.SKBitmap in VB.Net
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Imports SkiaSharp
Imports System
Imports System.IO

Namespace Sample
    Friend Class Sample
        Shared Sub Main(ByVal args() As String)
            ' Get your free 30-day key here:   
            ' https://sautinsoft.com/start-for-free/

            'Convert custom PDF page to Image object
            Dim f As New SautinSoft.PdfFocus()


            Dim pdfPath As String = Path.GetFullPath("..\..\..\text and graphics.pdf")
            Dim imagePath As String = "Result.jpg"

            f.OpenPdf(pdfPath)

            If f.PageCount > 0 Then
                'Let's convert 1st page into System.Drawing.Image object, 120 dpi
                f.ImageOptions.Dpi = 120
                Dim img As SkiaSharp.SKBitmap = f.ToDrawingImage(1)

                'Save to file
                If img IsNot Nothing Then
                    img.Encode(New FileStream(imagePath, FileMode.Create), SKEncodedImageFormat.Jpeg, 90)
                    System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(imagePath) With {.UseShellExecute = True})
                End If
            End If
        End Sub
    End Class
End Namespace
See Also