API C++ để hợp nhất PDF thành PNG

using namespace aspose::words::cloud;

auto config = std::make_shared<ApiConfiguration>(L"####-####-####-####-####",
   L"##################");
auto wordsApi = std::make_shared<WordsApi>(config);

auto document = std::shared_ptr<std::istream>(new std::ifstream(
   std::filesystem::path(L"Input1.pdf"), std::istream::binary));
auto mergeProps = std::make_shared<aspose::words::cloud::models::DocumentEntry>();
mergeProps->setFileReference(
   std::make_shared<aspose::words::cloud::models::FileReference>(
      std::make_shared<std::wstring>(L"Input2.pdf"));
mergeProps->setImportFormatMode(std::make_shared<std::wstring>(L"KeepSourceFormatting"));

auto documentEntries = 
   std::make_shared<std::vector<std::shared_ptr<aspose::words::cloud::models::DocumentEntry>>>();
documentEntries->push_back(mergeProps);

auto documentList = std::make_shared<aspose::words::cloud::models::DocumentEntryList>();
documentList->setDocumentEntries(documentEntries);
std::shared_ptr<requests::AppendDocumentOnlineRequest> appendDocumentOnline(
    new requests::AppendDocumentOnlineRequest(
        document, documentList
    )
);
auto mergedDocs = wordsApi->appendDocumentOnline(appendDocumentOnline);

std::shared_ptr<requests::SplitDocumentOnlineRequest> splitDocumentOnline(
    new requests::SplitDocumentOnlineRequest(
        mergedDocs, std::make_shared<std::wstring>(L"png"), 
		   std::make_shared<bool>(true)
    )
);
wordsApi->splitDocumentOnline(splitDocumentOnline);