GetPageText Method (GdPicturePDF)

In This Topic

Returns the whole text, regardless if visible or hidden, of the current page of the loaded PDF document.

Just to inform you, that you can use the GdPicturePDF.GuessPageTextRotation method to determine if the presented text is rotated on the current page.

Syntax

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

'Declaration
 
Public Function GetPageText() As String

public string GetPageText()

public function GetPageText(): String;

public function GetPageText() : String;

public: string* GetPageText();

public:
String^ GetPageText();

Return Value

The whole text of the currently selected page as a string. The GdPicturePDF.GetStat method can be subsequently used to determine if this method has been successful.

Remarks

This method is only allowed for use with non-encrypted documents.

It is recommend to use the GdPicturePDF.GetStat method to identify the specific reason for the method's failure, if any.

Please consider using the GdPicturePDF.GuessPageTextRotation method to determine the possible text rotation on the current page.

Example

How to extract text of all pages in the PDF document to a text file.

VB.NET
C#

Dim caption As String = "Example: GetPageText"
Dim gdpicturePDF As New GdPicturePDF()
Dim status As GdPictureStatus = gdpicturePDF.LoadFromFile("test.pdf", False)
If status = GdPictureStatus.OK Then
    Dim text_file As New System.IO.StreamWriter("text_from_pages.txt")
    Dim pageCount As Integer = gdpicturePDF.GetPageCount()
    status = gdpicturePDF.GetStat()
    If status = GdPictureStatus.OK Then
        Dim message As String = Nothing
        Dim page_text As String = Nothing
        For i As Integer = 1 To pageCount
            status = gdpicturePDF.SelectPage(i)
            If status = GdPictureStatus.OK Then
                page_text = gdpicturePDF.GetPageText()
                status = gdpicturePDF.GetStat()
                If status = GdPictureStatus.OK Then
                    message = "Page: " + i.ToString() + " Status: " + status.ToString()
                    MessageBox.Show(message, caption)
                    text_file.WriteLine(message)
                    text_file.WriteLine(page_text)
                End If
            Else
                MessageBox.Show("The SelectPage() method has failed with the status: " + status.ToString(), caption)
            End If
        Next
    Else
        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), caption)
    End If
    text_file.Close()
Else
    MessageBox.Show("The file can't be loaded.", caption)
End If
gdpicturePDF.Dispose()

string caption = "Example: GetPageText";
GdPicturePDF gdpicturePDF = new GdPicturePDF();
GdPictureStatus status = gdpicturePDF.LoadFromFile("test.pdf", false);
if (status == GdPictureStatus.OK)
{
    System.IO.StreamWriter text_file = new System.IO.StreamWriter("text_from_pages.txt");
    int pageCount = gdpicturePDF.GetPageCount();
    status = gdpicturePDF.GetStat();
    if (status == GdPictureStatus.OK)
    {
        string message = null;
        string page_text = null;
        for (int i = 1; i <= pageCount; i++)
        {
            status = gdpicturePDF.SelectPage(i);
            if (status == GdPictureStatus.OK)
            {
                page_text = gdpicturePDF.GetPageText();
                status = gdpicturePDF.GetStat();
                if (status == GdPictureStatus.OK)
                {
                    message = "Page: " + i.ToString() + " Status: " + status.ToString();
                    MessageBox.Show(message, caption);
                    text_file.WriteLine(message);
                    text_file.WriteLine(page_text);
                }
            }
            else
            {
                MessageBox.Show("The SelectPage() method has failed with the status: " + status.ToString(), caption);
            }
        }
    }
    else
    {
        MessageBox.Show("The GetPageCount() method has failed with the status: " + status.ToString(), caption);
    }
    text_file.Close();
}
else
{
    MessageBox.Show("The file can't be loaded.", caption);
}
gdpicturePDF.Dispose();

Reference

GdPicturePDF Class
GdPicturePDF Members
GetPageCount Method
SelectPage Method
GetPageTextArea Method
GuessPageTextRotation Method
GetPageTextWithCoords(String) Method
SetTextExtractionOptions Method