The standard security provided in a PDF document consists of two different methods, each with its own type of password. The User password controls the ability to open the document. This password encrypts the file and prevents someone without the... Read More

In order to change permission on a document, you must have a password that permits you to change permissions, and you must open the document with that password. Using Adobe C/C++, call PDDocGetPermissions() to see if you have the authority to change... Read More

Your application must be able to read and parse the text input format, including HTML, XML, RTF, or Microsoft Word. The Library does not provide this service. After your application has read the input file and determined the specifications for the... Read More

The Adobe PDF Library can extract text from a PDF document in two ways. You can enumerate the Content of a page, which will give you all text, graphics and path elements in the order they were placed in the page content stream. Or you can use a... Read More

Adobe PDF Library honors any document security found in an input PDF document. If the document is password-protected, the application will need to provide the correct Owner or User password required to open it. If the document is opened with the... Read More

Fonts and CMaps are needed when: Creating PDF documents and adding text strings. The resources are needed to embed and subset fonts. Rendering a document page if any font or CMap needed for that document is not embedded in the document. Fonts are... Read More