Extract Text from PDF - C++
PDF Extractor SDK sample in C++ demonstrating ‘Extract Text from PDF’
CPPExample.cpp
#include "stdafx.h"
#include "comip.h"
#import "c:\\Program Files\\Bytescout PDF Extractor SDK\\net4.00\\Bytescout.PDFExtractor.tlb" raw_interfaces_only
using namespace Bytescout_PDFExtractor;
int _tmain(int argc, _TCHAR* argv[])
{
// Initialize COM.
HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
// Create the interface pointer.
_TextExtractorPtr pITextExtractor(__uuidof(TextExtractor));
// Set the registration name and key
// Note: You should use _bstr_t or BSTR to pass string to the library because of COM requirements
_bstr_t bstrRegName(L"DEMO");
pITextExtractor->put_RegistrationName(bstrRegName);
_bstr_t bstrRegKey(L"DEMO");
pITextExtractor->put_RegistrationKey(bstrRegKey);
// Load sample PDF document
_bstr_t bstrPath(L"..\\..\\sample3.pdf");
pITextExtractor->LoadDocumentFromFile(bstrPath);
// Save extracted text to file
_bstr_t bstrOutputFile(L"output.txt");
pITextExtractor->SaveTextToFile(bstrOutputFile);
pITextExtractor->Release();
CoUninitialize();
return 0;
}
stdafx.cpp
// stdafx.cpp : source file that includes just the standard includes
// CPPExample.pch will be the pre-compiled header
// stdafx.obj will contain the pre-compiled type information
#include "stdafx.h"
// TODO: reference any additional headers you need in STDAFX.H
// and not in this file
stdafx.h
// stdafx.h : include file for standard system include files,
// or project specific include files that are used frequently, but
// are changed infrequently
//
#pragma once
#include "targetver.h"
#include <stdio.h>
#include <tchar.h>
// TODO: reference additional headers your program requires here
targetver.h
#pragma once
// Including SDKDDKVer.h defines the highest available Windows platform.
// If you wish to build your application for a previous Windows platform, include WinSDKVer.h and
// set the _WIN32_WINNT macro to the platform you wish to support before including SDKDDKVer.h.
#include <SDKDDKVer.h>