Extract Text from PDF in C++

extract-text-from-pdf-page-by-page.cpp

auto extractor = MakeObject<Facades::PdfExtractor>();
// Bind source PDF document
extractor->BindPdf(u"candy.pdf");
// Extract text from PDF to PdfExtractor
extractor->ExtractText();
auto unicode = System::Text::Encoding::get_Unicode();
int pageNumber = 1; 

while (extractor->HasNextPageText())
{
	auto memStream = MakeObject<IO::MemoryStream>();
	extractor->GetNextPageText(memStream);
	String text;
	// Specify Unicode encoding type in StreamReader constructor
	auto streamReader = MakeObject<StreamReader>(memStream, unicode);
	streamReader->get_BaseStream()->Seek(0, SeekOrigin::Begin);
	text = streamReader->ReadToEnd();
	streamReader->Dispose();
	// Print extracted text
	std::cout << "Page: " << pageNumber << "\n";
	Console::Write(text);
	std::cout << "\n------------------------\n";
	pageNumber++;
}

extract-text-from-pdf-page-range.cpp

auto extractor = MakeObject<Facades::PdfExtractor>();
// Bind source PDF document
extractor->BindPdf(u"candy.pdf");
// Set page range
extractor->set_StartPage(2);
extractor->set_EndPage(2);
// Extract text from PDF to PdfExtractor
extractor->ExtractText();
auto memStream = MakeObject<IO::MemoryStream>();
// Save text into memory stream
extractor->GetText(memStream);
auto unicode = System::Text::Encoding::get_Unicode();
String allText = unicode->GetString(memStream->ToArray());
// Print extracted text
Console::WriteLine(u"Extracted text:");
Console::WriteLine(allText);

extract-text-from-pdf.cpp

auto extractor = MakeObject<Facades::PdfExtractor>();
// Bind source PDF document
extractor->BindPdf(u"candy.pdf");
// Extract text from PDF to PdfExtractor
extractor->ExtractText();
auto memStream = MakeObject<IO::MemoryStream>();
// Save text into memory stream
extractor->GetText(memStream);
auto unicode = System::Text::Encoding::get_Unicode();
String allText = unicode->GetString(memStream->ToArray());
// Print extracted text
Console::WriteLine(u"Extracted text:");
Console::WriteLine(allText);

This doesn't seem to be working. I am just getting a blank string. Running on Ubutnu

@ajpieri

Would you please make sure that you are using a valid license while using the API? In case you do not have one, you can apply for a free 30-days temporary license. Also, please make sure to install all windows fonts (msttcorefonts package) and libgdiplus package in the system before using the API. In case issue still persists, please create a post in Aspose.PDF support forum where we will further proceed to assist you accordingly.