PdfDocumentProcessor.OptimizeDocument(PdfImageCompressionOptions) Method

Compresses images in the loaded PDF document.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Docs.v25.1.dll

NuGet Package: DevExpress.Document.Processor

Declaration

C#

public bool OptimizeDocument(
    PdfImageCompressionOptions imageCompressionOptions
)

VB.NET

Public Function OptimizeDocument(
    imageCompressionOptions As PdfImageCompressionOptions
) As Boolean

Parameters

Name	Type	Description
imageCompressionOptions	PdfImageCompressionOptions	Image compression options.

Returns

Type	Description
Boolean	true if compression completes successfully; otherwise false.

Remarks

The following code snippet loads a PDF file (Document.pdf), specifies image compression settings, runs document optimization, and saves the result:

C#

using (PdfDocumentProcessor processor = new PdfDocumentProcessor()) {
    processor.LoadDocument("C:\\PDF\\ImageCompress\\Document.pdf");
    var options = new PdfImageCompressionOptions() {
        CompressionType = PdfImageCompressionType.Jpeg,
        JpegQuality = 100,
        DownsamplingResolution = 300,
    };
    processor.OptimizeDocument(options);
    processor.SaveDocument("C:\\PDF\\ImageCompress\\Document.optimized.pdf");
}

VB.NET

Using processor As New PdfDocumentProcessor()
    processor.LoadDocument("C:\PDF\ImageCompress\Document.pdf")
    Dim options As New PdfImageCompressionOptions() With {
        .CompressionType = PdfImageCompressionType.Jpeg,
        .JpegQuality = 100,
        .DownsamplingResolution = 300
    }
    processor.OptimizeDocument(options)
    processor.SaveDocument("C:\PDF\ImageCompress\Document.optimized.pdf")
End Using