PdfBitonalImageCompression Property (GdPictureDocumentConverter)

In This Topic

Sets the scheme to be used to compress bitonal image data when converting/saving the currently loaded document to PDF format.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Property PdfBitonalImageCompression As PdfCompression

public PdfCompression PdfBitonalImageCompression {get; set;}

public read-write property PdfBitonalImageCompression: PdfCompression;

public function get,set PdfBitonalImageCompression : PdfCompression

public: __property PdfCompression get_PdfBitonalImageCompression();
public: __property void set_PdfBitonalImageCompression( 
   PdfCompression value
);

public:
property PdfCompression PdfBitonalImageCompression {
   PdfCompression get();
   void set (    PdfCompression value);
}

Property Value

A member of the PdfCompression enumeration. The default value is PdfCompression.PdfCompressionJBIG2.

Example

Setting up the required image compression.

VB.NET
C#

Using gdpictureDocumentConverter As GdPictureDocumentConverter = New GdPictureDocumentConverter()
    Dim status As GdPictureStatus = gdpictureDocumentConverter.LoadFromFile("input.tif", GdPicture14.DocumentFormat.DocumentFormatTIFF)
    If status = GdPictureStatus.OK Then
        MessageBox.Show("The file has been loaded successfully.", "GdPicture")
        'Set the required compression parameter here.
        gdpictureDocumentConverter.PdfBitonalImageCompression = PdfCompression.PdfCompressionCCITT4
        status = gdpictureDocumentConverter.SaveAsPDF("output.pdf", PdfConformance.PDF)
        If status = GdPictureStatus.OK Then
            MessageBox.Show("The file has been saved successfully.", "GdPicture")
        Else
            MessageBox.Show("The file has failed to save. Status: " + status.ToString(), "GdPicture")
        End If
    Else
        MessageBox.Show("The file has failed to load. Status: " + status.ToString(), "GdPicture")
    End If
End Using

using (GdPictureDocumentConverter gdpictureDocumentConverter = new GdPictureDocumentConverter())
{
    GdPictureStatus status = gdpictureDocumentConverter.LoadFromFile("input.tif", GdPicture14.DocumentFormat.DocumentFormatTIFF);
    if (status == GdPictureStatus.OK)
    {
        MessageBox.Show("The file has been loaded successfully.", "GdPicture");
        //Set the required compression parameter here.
        gdpictureDocumentConverter.PdfBitonalImageCompression = PdfCompression.PdfCompressionCCITT4;
        status = gdpictureDocumentConverter.SaveAsPDF("output.pdf", PdfConformance.PDF);
        if (status == GdPictureStatus.OK)
        {
            MessageBox.Show("The file has been saved successfully.", "GdPicture");
        }
        else
        {
            MessageBox.Show("The file has failed to save. Status: " + status.ToString(), "GdPicture");
        }
    }
    else
    {
        MessageBox.Show("The file has failed to load. Status: " + status.ToString(), "GdPicture");
    }
}

Reference

GdPictureDocumentConverter Class
GdPictureDocumentConverter Members
PdfColorImageCompression Property
PdfImageQuality Property