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Programming / Document Conversion / Converting a multipage TIFF file to a multipage JBIG2 file

Converting a multipage TIFF file to a multipage JBIG2 file

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This example shows you a quick way how to convert a multipage TIFF file to a multipage JBIG2 file.

Copy Code 
'We assume that GdPicture has been correctly installed and unlocked.
Dim tifffilepath As String = "multipage.tif"
Dim jb2filepath As String = "multipage.jb2"
Using oGdPictureImaging As New GdPictureImaging()
    Dim TiffID As Integer = oGdPictureImaging.CreateGdPictureImageFromFile(tifffilepath)
    If oGdPictureImaging.GetStat() = GdPictureStatus.OK Then
        Dim Jbig2ID As Integer = 0
        Dim pageCount As Integer = oGdPictureImaging.TiffGetPageCount(TiffID)
        For i As Integer = 1 To pageCount
            If i = 1 Then
                Jbig2ID = oGdPictureImaging.CreateClonedGdPictureImage(TiffID)
                If (oGdPictureImaging.GetStat() <> GdPictureStatus.OK) OrElse
                    (oGdPictureImaging.JBIG2SaveAsMultiPageFile(Jbig2ID, jb2filepath) <> GdPictureStatus.OK) Then
                    MessageBox.Show("Error: " + oGdPictureImaging.GetStat().ToString(), "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Error)
                Exit For
                End If
            Else
                If (oGdPictureImaging.TiffSelectPage(TiffID, i) <> GdPictureStatus.OK) OrElse
                    (oGdPictureImaging.JBIG2AddToMultiPageFile(Jbig2ID, TiffID) <> GdPictureStatus.OK) Then
                    MessageBox.Show("Error: " + oGdPictureImaging.GetStat().ToString(), "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Error)
                    Exit For
                End If
            End If
        Next
        If oGdPictureImaging.GetStat() = GdPictureStatus.OK Then
            MessageBox.Show("Done!", "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Information)
        End If
        oGdPictureImaging.JBIG2CloseMultiPageFile(Jbig2ID)
        oGdPictureImaging.ReleaseGdPictureImage(Jbig2ID)
        oGdPictureImaging.ReleaseGdPictureImage(TiffID)
    Else
        MessageBox.Show("Error: " + oGdPictureImaging.GetStat().ToString(), "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Error)
    End If
End Using
Copy Code 
//We assume that GdPicture has been correctly installed and unlocked.
string tifffilepath = "multipage.tif";
string jb2filepath = "multipage.jb2";
using (GdPictureImaging oGdPictureImaging = new GdPictureImaging())
{
    int TiffID = oGdPictureImaging.CreateGdPictureImageFromFile(tifffilepath);
    if (oGdPictureImaging.GetStat() == GdPictureStatus.OK)
    {
        int Jbig2ID = 0;
        int pageCount = oGdPictureImaging.TiffGetPageCount(TiffID);
        for (int i = 1; i <= pageCount; i++)
        {
            if (i == 1)
            {
                Jbig2ID = oGdPictureImaging.CreateClonedGdPictureImage(TiffID);
                if ((oGdPictureImaging.GetStat() != GdPictureStatus.OK) ||
                    (oGdPictureImaging.JBIG2SaveAsMultiPageFile(Jbig2ID, jb2filepath) != GdPictureStatus.OK))
                {
                    MessageBox.Show("Error: " + oGdPictureImaging.GetStat().ToString(), "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    break;
                }
            }
            else
            {
                if ((oGdPictureImaging.TiffSelectPage(TiffID, i) != GdPictureStatus.OK) ||
                    (oGdPictureImaging.JBIG2AddToMultiPageFile(Jbig2ID, TiffID) != GdPictureStatus.OK))
                {
                    MessageBox.Show("Error: " + oGdPictureImaging.GetStat().ToString(), "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    break;
                }
            }
        }
        if (oGdPictureImaging.GetStat() == GdPictureStatus.OK)
            MessageBox.Show("Done!", "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Information);
        oGdPictureImaging.JBIG2CloseMultiPageFile(Jbig2ID);
        oGdPictureImaging.ReleaseGdPictureImage(Jbig2ID);
        oGdPictureImaging.ReleaseGdPictureImage(TiffID);
    }
    else
        MessageBox.Show("Error: " + oGdPictureImaging.GetStat().ToString(), "TIFF to JBIG2 Example", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
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