Extract PDF Pages - C++
PDF Extractor SDK sample in C++ demonstrating ‘Extract PDF Pages’
CPPExample.cpp
#include "stdafx.h"
#include "comip.h"
// you may also refer to the tlb from \net4.00\ folder
// you may also want to include the tlb file into the project so you could compile it and use intellisense for it
#import "c:\\Program Files\\Bytescout PDF Extractor SDK\\net2.00\\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.
_DocumentSplitterPtr pIDocumentSplitter(__uuidof(DocumentSplitter));
// 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");
pIDocumentSplitter->put_RegistrationName(bstrRegName);
_bstr_t bstrRegKey(L"DEMO");
pIDocumentSplitter->put_RegistrationKey(bstrRegKey);
// you may enable optimization for extracted pages from documents
// pIDocumentSplitter->put_OptimizeSplittedDocuments = true;
// Load sample PDF document
HRESULT sRes = S_OK;
//1. extract selected pages (!note: page numbers are 1-based)
_bstr_t bstrPath(L"..\\..\\sample2.pdf");
_bstr_t bstrParam(L"page2.pdf");
sRes = pIDocumentSplitter->ExtractPage(bstrPath, bstrParam, 2);
// 2. split the doc into 2 parts at page #2
// (!) Note: page numbers are 1-based
_bstr_t bstrPathInput(L"..\\..\\sample2.pdf");
_bstr_t bstrParam1(L"part1.pdf");
_bstr_t bstrParam2(L"part2.pdf");
sRes = pIDocumentSplitter->Split(bstrPathInput, bstrParam1, bstrParam2, 2);
// 3. merge page 2 extracted on step 1 along with base pdf
// Create the interface pointer.
_DocumentMergerPtr pIDocumentMerger(__uuidof(DocumentMerger));
//_bstr_t bstrRegName(L"DEMO");
pIDocumentMerger->put_RegistrationName(bstrRegName);
//_bstr_t bstrRegKey(L"DEMO");
pIDocumentMerger->put_RegistrationKey(bstrRegKey);
// merge 2 files into the 3rd one
_bstr_t bstrParamMerge1(L"page2.pdf");
_bstr_t bstrParamMerge2(L"..\\..\\sample2.pdf");
_bstr_t bstrParamMergeOutput(L"merged.pdf");
sRes = pIDocumentMerger->Merge2(bstrParamMerge1, bstrParamMerge2,bstrParamMergeOutput);
// finally release both instances
pIDocumentSplitter->Release();
pIDocumentMerger->Release();
// uninitialize ActiveX COM support
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>