Add a text or image watermark to PDF documents using C++. Load the PDF document and insert the required watermark into it. Then save the result in a convenient format such as DOCX, PDF, MD, HTML, TXT, DOC, RTF, EPUB, XPS and more, and share the watermarked document with another person. Also remove the watermark from PDF document if the watermark was previously added to the document, and the reasons for adding are not longer relevant.
With this C++ API, developers can add a watermark to PDF online. Just create the watermark using text or an image and then insert that watermark into your PDF document in C++.
Note: there is no need to install any third party applications or libraries. Therefore, our C++ software solution is very easy to use.
The given C++ SDK is also helpful to remove watermarks from PDF. Removing a watermark in PDF means that you can load the desired PDF document stamped with a text or image watermark, remove this watermark from the PDF using C++, and then save the output file in a convenient format – DOC, DOCX, PDF, JPEG, PNG, TIFF and others.
To evaluate how to add or remove a watermark in PDF with our C++ API, load the PDF and the watermark as an image or text. Then select a convenient export file format – DOC, DOCX, PDF, HTML, RTF, XPS and others.
Use the following example to see how it works:
using namespace aspose::words::cloud;
auto config = std::make_shared<ApiConfiguration>(
L"####-####-####-####-####", L"##################");
auto wordsApi = std::make_shared<WordsApi>(config);
auto requestDocument = std::shared_ptr<std::istream>(
new std::ifstream(std::filesystem::path(L"Input1.pdf"), std::istream::binary));
auto requestImageStream = std::shared_ptr<std::istream>(
new std::ifstream(std::filesystem::path(L"Input2.jpg"), std::istream::binary));
auto requestWatermarkData =
std::make_shared<aspose::words::cloud::models::WatermarkDataImage>();
requestWatermarkData->setImage(
std::make_shared<aspose::words::cloud::models::FileReference>(requestImageStream));
std::shared_ptr<requests::InsertWatermarkOnlineRequest> insertWatermarkRequest(
new requests::InsertWatermarkOnlineRequest(
requestDocument, requestWatermarkData
)
);
auto insertWatermarkResult = wordsApi->InsertWatermarkOnline(insertWatermarkRequest);
auto resultDocument = std::shared_ptr<std::istream>(
insertWatermarkResult->document->values.begin, std::istream::binary));
std::shared_ptr<requests::ConvertDocumentRequest> convertRequest(
new requests::ConvertDocumentRequest(
resultDocument, std::make_shared<std::wstring>(L"pdf")
)
);
wordsApi->convertDocument(convertRequest);using namespace aspose::words::cloud;
auto config = std::make_shared<ApiConfiguration>(
L"####-####-####-####-####", L"##################");
auto wordsApi = std::make_shared<WordsApi>(config);
auto requestDocument = std::shared_ptr<std::istream>(
new std::ifstream(std::filesystem::path(L"Input.pdf"), std::istream::binary));
auto requestWatermarkData =
std::make_shared<aspose::words::cloud::models::WatermarkDataText>();
requestWatermarkData->setText(std::make_shared<std::wstring>(L"This is the watermark text"));
requestWatermarkData->setLayout(
std::make_shared<aspose::words::cloud::models::WatermarkDataText::Layout>(
aspose::words::cloud::models::WatermarkDataText::Layout::DIAGONAL));
std::shared_ptr<requests::InsertWatermarkOnlineRequest> insertWatermarkRequest(
new requests::InsertWatermarkOnlineRequest(
requestDocument, requestWatermarkData
)
);
auto insertWatermarkResult = wordsApi->InsertWatermarkOnline(insertWatermarkRequest);
auto resultDocument = std::shared_ptr<std::istream>(
insertWatermarkResult->document->values.begin, std::istream::binary));
std::shared_ptr<requests::ConvertDocumentRequest> convertRequest(
new requests::ConvertDocumentRequest(
resultDocument, std::make_shared<std::wstring>(L"pdf")
)
);
wordsApi->convertDocument(convertRequest);using namespace aspose::words::cloud;
auto config = std::make_shared<ApiConfiguration>(
L"####-####-####-####-####", L"##################");
auto wordsApi = std::make_shared<WordsApi>(config);
auto requestDocument = std::shared_ptr<std::istream>(
new std::ifstream(std::filesystem::path(L"Input.pdf"), std::istream::binary));
std::shared_ptr<requests::DeleteWatermarkOnlineRequest> deleteWatermarkOnline(
new requests::DeleteWatermarkOnlineRequest(
requestDocument
)
);
auto deletedWatermark = wordsApi->deleteWatermarkOnline(deleteWatermarkOnline);
auto requestDocument = std::shared_ptr<std::istream>(
deletedWatermark->document->values.begin, std::istream::binary));
std::shared_ptr<requests::ConvertDocumentRequest> convertDocument(
new requests::ConvertDocumentRequest(
requestDocument, std::make_shared<std::wstring>(L"pdf")
)
);
wordsApi->convertDocument(convertDocument);Clone Aspose.Words Cloud SDK for C++ source code from GitHub. You can find detailed information on building and configuring the SDK in the "How to use the SDK" section.
To quickly get the necessary security credentials and access our REST API, please follow these Instructions in the documentation.
Refer to the Repository Documentation to see the details.
You can add a watermark to a document in other formats: