PdfForceImageDPI Property (GdPictureDocumentConverter)

In This Topic

Specifies the DPI for images when converting them to PDF format. This property allows overriding the default DPI of the images used in the conversion process.

Syntax

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

'Declaration
 
Public Property PdfForceImageDPI As Integer

public int PdfForceImageDPI {get; set;}

public read-write property PdfForceImageDPI: Integer;

public function get,set PdfForceImageDPI : int

public: __property int get_PdfForceImageDPI();
public: __property void set_PdfForceImageDPI( 
   int value
);

public:
property int PdfForceImageDPI {
   int get();
   void set (    int value);
}

Property Value

The default value of this property is 0, which means the DPI of the original image will be preserved in the converted PDF, and no overriding will occur.

Example

Converting and saving a JPEG image to a single PDF document.

VB.NET
C#

Using gdpictureDocumentConverter As New GdPictureDocumentConverter()
    Dim status As GdPictureStatus = gdpictureDocumentConverter.LoadFromFile("image.jpg", GdPicture14.DocumentFormat.DocumentFormatJPEG)
    If status = GdPictureStatus.OK Then
        MessageBox.Show("The file has been loaded successfully.", "GdPicture")
        gdpictureDocumentConverter.PdfImageQuality = 50
        gdpictureDocumentConverter.PdfForceImageDPI = 72
        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("image.jpg", GdPicture14.DocumentFormat.DocumentFormatJPEG);
    if (status == GdPictureStatus.OK)
    {
        MessageBox.Show("The file has been loaded successfully.", "GdPicture");
        gdpictureDocumentConverter.PdfImageQuality = 50;
        gdpictureDocumentConverter.PdfForceImageDPI = 72;
        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
SaveAsPDF(String,PdfConformance) Method