ocr.cpp

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#include <boost/date_time/posix_time/conversion.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <chrono>
#include <iostream>
#include <leptonica/allheaders.h>
#include <string>
#include <tesseract/baseapi.h>
 
#include "utils.hpp"
 
namespace tools {
 
std::string getTextFromImage(Pix *image) {
  char *outText;
  tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI();
  // Initialize tesseract-ocr with English, without specifying tessdata path
  if (api->Init(NULL, "eng")) {
    log_cmd("Unable to initialize tesseract-ocr", "OCR",
            boost::posix_time::to_time_t(
                boost::posix_time::second_clock::universal_time()),
            LOG::Error);
    exit(1);
  }
 
  api->SetImage(image);
  outText = api->GetUTF8Text();
 
  api->End();
  delete api;
 
  return std::string(outText);
}
 
} // namespace tools