PdfFocusCImageExtractionOptionsMinSize Property |
Specify minimal size of extracted images in pixels. Default value: null.
Namespace: SautinSoftAssembly: SautinSoft.PdfFocus (in SautinSoft.PdfFocus.dll) Version: 2024.12.2
Syntax public SKSize? MinSize { get; set; }
Public Property MinSize As SKSize?
Get
Set
Property Value
NullableSKSizeExample Extract all images with width and height more than 200px in C#
using System;
using System.IO;
using System.Collections.Generic;
using SautinSoft;
namespace Sample
{
class Sample
{
static void Main(string[] args)
{
SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();
string pdfFile = Path.GetFullPath(@"..\..\..\simple text.pdf");
string imageDir = new DirectoryInfo(Directory.GetCurrentDirectory()).CreateSubdirectory("images").FullName;
List<PdfFocus.PdfImage> pdfImages = null;
f.OpenPdf(pdfFile);
if (f.PageCount > 0)
{
f.ImageExtractionOptions.MinSize = new SkiaSharp.SKSize(200, 200);
pdfImages = f.ExtractImages();
if (pdfImages != null && pdfImages.Count > 0)
{
for (int i = 0; i < pdfImages.Count; i++)
{
string imageFile = Path.Combine(imageDir, String.Format("img{0}.png", i + 1));
pdfImages[i].Picture.Encode(new FileStream(imageFile, FileMode.Create), SkiaSharp.SKEncodedImageFormat.Png, 100);
}
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(imageDir) { UseShellExecute = true });
}
}
}
}
}
Extract all images with width and height more than 200px in VB.Net
Imports System
Imports System.IO
Imports System.Collections.Generic
Imports SautinSoft
Namespace Sample
Friend Class Sample
Shared Sub Main(ByVal args() As String)
Dim f As New SautinSoft.PdfFocus()
Dim pdfFile As String = Path.GetFullPath("..\..\..\simple text.pdf")
Dim imageDir As String = (New DirectoryInfo(Directory.GetCurrentDirectory())).CreateSubdirectory("images").FullName
Dim pdfImages As List(Of PdfFocus.PdfImage) = Nothing
f.OpenPdf(pdfFile)
If f.PageCount > 0 Then
f.ImageExtractionOptions.MinSize = New SkiaSharp.SKSize(200, 200)
pdfImages = f.ExtractImages()
If pdfImages IsNot Nothing AndAlso pdfImages.Count > 0 Then
For i As Integer = 0 To pdfImages.Count - 1
Dim imageFile As String = Path.Combine(imageDir, String.Format("img{0}.png", i + 1))
pdfImages(i).Picture.Encode(New FileStream(imageFile, FileMode.Create), SkiaSharp.SKEncodedImageFormat.Png, 100)
Next i
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(imageDir) With {.UseShellExecute = True})
End If
End If
End Sub
End Class
End Namespace
See Also