PDFlib Text Extraction Toolkit (TET) Manual

Table 10.9 Suboptions for the glyphmapping option of TET_open_document( ) and TET_open_document_callback( )
option
tounicodecmap
description
(String) Name of a ToUnicode CMap resource to be applied to the font; it will have higher priority than an
embedded ToUnicode CMap or encoding entry.
1. Limited wildcards: The stand-alone character »*« denotes all fonts; Using »*« after a prefix (e.g. »MSTT*«) denotes all fonts starting
with the specified prefix.
2. Encoding name according to Section 10.5, »Encoding Names«, page 147
C++
C
int open_document_callback(void *opaque, size_t filesize,
size_t (*readproc)(void *opaque, void *buffer, size_t size),
int (*seekproc)(void *opaque, long offset),
wstring optlist)
int TET_open_document_callback(TET *tet, void *opaque, size_t filesize,
size_t (*readproc)(void *opaque, void *buffer, size_t size),
int (*seekproc)(void *opaque, long offset),
const char *optlist)
Open a PDF document from a custom data source for content extraction.
opaque A pointer to some user data that might be associated with the input PDF document.
This pointer will be passed as the first parameter of the callback functions, and
can be used in any way. TET will not use the opaque pointer in any other way.
filesize
The size of the complete PDF document in bytes.
readproc A C callback function which copies size bytes to the memory pointed to by
buffer. If the end of the document is reached it may copy less data than requested. The
function must return the number of bytes copied.
seekproc A C callback function which sets the current read position in the document.
offset denotes the position from the beginning of the document (0 meaning the first
byte). If successful, this function must return 0, otherwise -1.
optlist An option list specifying document options according to Table 10.8.
Returns See TET_open_document( ).
Details See TET_open_document( ).
Bindings
This function is only available in the C and C++ language bindings.
C++ void close_document(int doc)
C# Java void close_document(int doc)
Perl PHP close_document(long doc)
VB RB Sub close_document(doc As Long)
C void TET_close_document(TET *tet, int doc)
Release a document handle and all internal resources related to that document.
doc A valid document handle obtained with TET_open_document*( ).
10.7 Document Functions 167