Преобразование пользовательской страницы PDF в SkiaSharp.SKBitmap в C# и .NET
Полный код
using SkiaSharp;
using System;
using System.IO;
namespace Sample
{
class Sample
{
static void Main(string[] args)
{
// Before starting, we recommend to get a free 100-day key:
// https://sautinsoft.com/start-for-free/
// Apply the key here:
// SautinSoft.PdfFocus.SetLicense("...");
//Convert custom PDF page to Image object
SautinSoft.PdfFocus f = new SautinSoft.PdfFocus();
string pdfPath = Path.GetFullPath(@"..\..\..\parkmap.pdf");
string imagePath = "Result.jpg";
f.OpenPdf(pdfPath);
if (f.PageCount > 0)
{
//Let's convert 1st page into SKBitmap object, 300 dpi
f.ImageOptions.Dpi = 300;
f.ImageOptions.SelectedPages = new int[] { 0 };
SKBitmap img = f.ToSKBitmap();
//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 });
}
}
}
}
}
Imports SkiaSharp
Imports System
Imports System.IO
Namespace Sample
Friend Class Sample
Shared Sub Main(ByVal args() As String)
' Before starting, we recommend to get a free 100-day key:
' https://sautinsoft.com/start-for-free/
' Apply the key here:
' SautinSoft.PdfFocus.SetLicense("...");
'Convert custom PDF page to Image object
Dim f As New SautinSoft.PdfFocus()
Dim pdfPath As String = Path.GetFullPath("..\..\..\parkmap.pdf")
Dim imagePath As String = "Result.jpg"
f.OpenPdf(pdfPath)
If f.PageCount > 0 Then
'Let's convert 1st page into SKBitmap object, 300 dpi
f.ImageOptions.Dpi = 300
f.ImageOptions.SelectedPages = New Integer() { 0 }
Dim img As SkiaSharp.SKBitmap = f.ToSKBitmap()
'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
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