Как растрировать документ DOCX в PNG и JPEG с помощью C# и .NET
Полный код
using System;
using System.IO;
using SautinSoft.Document;
using System.Drawing;
namespace Example
{
class Program
{
static void Main(string[] args)
{
RasterizeDocxToPicture();
}
/// <summary>
/// Rasterize DOCX document into PNG and JPEG.
/// </summary>
/// <remarks>
/// Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/rasterize-docx-document-to-png-jpeg-net-csharp-vb.php
/// </remarks>
static void RasterizeDocxToPicture()
{
// In this example we'll how rasterize/convert 1st and 2nd pages of DOCX document
// into PNG and JPEG images.
string inputFile = @"..\..\example.docx";
string jpegFile = "Result.jpg";
string pngFile = "Result.png";
// The file format is detected automatically from the file extension: ".docx".
// But as shown in the example below, we can specify DocxLoadOptions as 2nd parameter
// to explicitly set that a loadable document has Docx format.
DocumentCore dc = DocumentCore.Load(inputFile);
DocumentPaginator documentPaginator = dc.GetPaginator(new PaginatorOptions() { UpdateFields = true });
int dpi = 300;
int pagesToRasterize = 2;
int currentPage = 1;
foreach (DocumentPage page in documentPaginator.Pages)
{
// Save the page into Bitmap with specified dpi and background.
Bitmap picture = page.Rasterize(dpi, SautinSoft.Document.Color.White);
// Save the Bitmap to a file.
if (currentPage == 1)
picture.Save(pngFile);
else if (currentPage == 2)
picture.Save(jpegFile);
currentPage++;
if (currentPage > pagesToRasterize)
break;
}
// Open the results for demonstration purposes.
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(pngFile) { UseShellExecute = true });
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(jpegFile) { UseShellExecute = true });
}
}
}
Imports System
Imports System.IO
Imports SautinSoft.Document
Imports System.Drawing
Namespace Example
Friend Class Program
Shared Sub Main(ByVal args() As String)
RasterizeDocxToPicture()
End Sub
''' <summary>
''' Rasterize DOCX document into PNG and JPEG.
''' </summary>
''' <remarks>
''' Details: https://www.sautinsoft.com/products/document/help/net/developer-guide/rasterize-docx-document-to-png-jpeg-net-csharp-vb.php
''' </remarks>
Private Shared Sub RasterizeDocxToPicture()
' In this example we'll how rasterize/convert 1st and 2nd pages of DOCX document
' into PNG and JPEG images.
Dim inputFile As String = "..\example.docx"
Dim jpegFile As String = "Result.jpg"
Dim pngFile As String = "Result.png"
' The file format is detected automatically from the file extension: ".docx".
' But as shown in the example below, we can specify DocxLoadOptions as 2nd parameter
' to explicitly set that a loadable document has Docx format.
Dim dc As DocumentCore = DocumentCore.Load(inputFile)
Dim documentPaginator As DocumentPaginator = dc.GetPaginator(New PaginatorOptions() With {.UpdateFields = True})
Dim dpi As Integer = 300
Dim pagesToRasterize As Integer = 2
Dim currentPage As Integer = 1
For Each page As DocumentPage In documentPaginator.Pages
' Save the page into Bitmap with specified dpi and background.
Dim picture As Bitmap = page.Rasterize(dpi, SautinSoft.Document.Color.White)
' Save the Bitmap to a file.
If currentPage = 1 Then
picture.Save(pngFile)
ElseIf currentPage = 2 Then
picture.Save(jpegFile)
End If
currentPage += 1
If currentPage > pagesToRasterize Then
Exit For
End If
Next page
' Open the results for demonstration purposes.
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(pngFile) With {.UseShellExecute = True})
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(jpegFile) With {.UseShellExecute = True})
End Sub
End Class
End Namespace
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