Convert XPS or OXPS Files to PDF Format using C++

01-Convert-XPS-or-OXPS-Files-to-PDF-Format-using-CPP

Convert XPS or OXPS Files to PDF Format using C++

Convert-Selected-Pages-Of-XPS-OXPS-To-PDF.cpp

// Output file
System::SharedPtr<System::IO::Stream> pdfStream = System::IO::File::Open(u"OutputDirectory\\XPStoPDF.pdf", System::IO::FileMode::Create, System::IO::FileAccess::Write);
// Clearing resources under 'using' statement
System::Details::DisposeGuard<1> __dispose_guard_1({ pdfStream });
// ------------------------------------------
try {
	// Source file
	System::SharedPtr<System::IO::Stream> xpsStream = System::IO::File::Open(u"SourceDirectory\\sample.xps", System::IO::FileMode::Open, System::IO::FileAccess::Read);
	// Clearing resources under 'using' statement
	System::Details::DisposeGuard<1> __dispose_guard_0({ xpsStream });
	// ------------------------------------------

	try
	{
		// Load XPS document from the stream
		System::SharedPtr<XpsDocument> document = System::MakeObject<XpsDocument>(xpsStream, System::MakeObject<XpsLoadOptions>());
		// or load XPS document directly from file. No xpsStream is needed then.
		// XpsDocument document = new XpsDocument(inputFileName, new XpsLoadOptions());

		// Initialize PdfSaveOptions object with necessary parameters.
		System::SharedPtr<Aspose::Page::XPS::Presentation::Pdf::PdfSaveOptions> options = [&] {
			auto tmp_0 = System::MakeObject<Aspose::Page::XPS::Presentation::Pdf::PdfSaveOptions>();
			tmp_0->set_JpegQualityLevel(100);
			tmp_0->set_ImageCompression(Aspose::Page::XPS::Presentation::Pdf::PdfImageCompression::Jpeg);
			tmp_0->set_TextCompression(Aspose::Page::XPS::Presentation::Pdf::PdfTextCompression::Flate);
			tmp_0->set_PageNumbers(System::MakeArray<int32_t>({ 1, 3 }));
			return tmp_0;
		}();

		// Create rendering device for PDF format
		System::SharedPtr<Aspose::Page::XPS::Presentation::Pdf::PdfDevice> device = System::MakeObject<Aspose::Page::XPS::Presentation::Pdf::PdfDevice>(pdfStream);

		// Save PDF file
		document->Save(device, options);
	}
	catch (...)
	{
		__dispose_guard_0.SetCurrentException(std::current_exception());
	}
}
catch (...)
{
	__dispose_guard_1.SetCurrentException(std::current_exception());
}

Convert-XPS-OXPS-To-PDF.cpp

// Output file
System::SharedPtr<System::IO::Stream> pdfStream = System::IO::File::Open(u"OutputDirectory\\XPStoPDF.pdf", System::IO::FileMode::Create, System::IO::FileAccess::Write);
// Clearing resources under 'using' statement
System::Details::DisposeGuard<1> __dispose_guard_1({ pdfStream });
// ------------------------------------------
try {
	// Source file
	System::SharedPtr<System::IO::Stream> xpsStream = System::IO::File::Open(u"SourceDirectory\\sample.xps", System::IO::FileMode::Open, System::IO::FileAccess::Read);
	// Clearing resources under 'using' statement
	System::Details::DisposeGuard<1> __dispose_guard_0({ xpsStream });
	// ------------------------------------------

	try
	{
		// Load XPS document from the stream
		System::SharedPtr<XpsDocument> document = System::MakeObject<XpsDocument>(xpsStream, System::MakeObject<XpsLoadOptions>());
		// or load XPS document directly from file. No xpsStream is needed then.
		// XpsDocument document = new XpsDocument(inputFileName, new XpsLoadOptions());

		// Initialize PdfSaveOptions object with necessary parameters.
		System::SharedPtr<Aspose::Page::XPS::Presentation::Pdf::PdfSaveOptions> options = [&] {
			auto tmp_0 = System::MakeObject<Aspose::Page::XPS::Presentation::Pdf::PdfSaveOptions>();
			tmp_0->set_JpegQualityLevel(100);
			tmp_0->set_ImageCompression(Aspose::Page::XPS::Presentation::Pdf::PdfImageCompression::Jpeg);
			tmp_0->set_TextCompression(Aspose::Page::XPS::Presentation::Pdf::PdfTextCompression::Flate);
			return tmp_0;
		}();

		// Create rendering device for PDF format
		System::SharedPtr<Aspose::Page::XPS::Presentation::Pdf::PdfDevice> device = System::MakeObject<Aspose::Page::XPS::Presentation::Pdf::PdfDevice>(pdfStream);

		// Save PDF file
		document->Save(device, options);
	}
	catch (...)
	{
		__dispose_guard_0.SetCurrentException(std::current_exception());
	}
}
catch (...)
{
	__dispose_guard_1.SetCurrentException(std::current_exception());
}