Core PDF functions

Name	Description
new	Create a new PDF-document.
open	Open a PDF-document with filename.
save	Save the previously opened PDF-document.
save_as	Save the previously opened PDF-document with new filename.
set_license	Set license with filename.
extract_text	Return the PDF-document contents as plain text.
page_add	Add new page in PDF-document.
page_insert	Insert new page at the specified position in PDF-document.
page_delete	Delete specified page in PDF-document.
page_count	Return the number of pages in the PDF-document.

Detailed Description

Core functions for working with PDF files.