ByteScout PDF Extractor SDK - C++ - Merge PDF Documents - ByteScout

ByteScout PDF Extractor SDK – C++ – Merge PDF Documents

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How to merge PDF documents in C++ with ByteScout PDF Extractor SDK

How to merge PDF documents in C++

Merge PDF documents is easy to implement in C++ if you use these source codes below. ByteScout PDF Extractor SDK: the SDK that helps developers to extract data from unstructured documents, pdf, images, scanned and electronic forms. Includes AI functions like automatic table detection, automatic table extraction and restructuring, text recognition and text restoration from pdf and scanned documents. Includes PDF to CSV, PDF to XML, PDF to JSON, PDF to searchable PDF functions as well as methods for low level data extraction. It can merge PDF documents in C++.

The SDK samples like this one below explain how to quickly make your application do merge PDF documents in C++ with the help of ByteScout PDF Extractor SDK. Follow the instructions from the scratch to work and copy the C++ code. Use of ByteScout PDF Extractor SDK in C++ is also explained in the documentation included along with the product.

Free trial version of ByteScout PDF Extractor SDK is available for download from our website. Get it to try other source code samples for C++.

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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; }

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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

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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

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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>

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