Convert Image to Searchable PDF with OCR using C++

01 Convert Image to Searchable PDF with OCR using CPP

Convert Image to Searchable PDF with OCR using C++

Image-To-PDF.cpp

// Source file path
std::string image_path = "SourceDirectory\\sample.png";

// Prepare buffer for result (in symbols, len_byte = len * sizeof(wchar_t))
const size_t len = 4096;
wchar_t buffer[len] = { 0 };

// Set the recognition settings
RecognitionSettings settings;
settings.language_alphabet = language::eng;
settings.save_format = file_format::pdf;

// Perform the OCR operation and save the output file.
asposeocr_page_save(image_path.c_str(), "OutputDirectory\\ImageToPDF.pdf", settings);

Skewed-Image-To-PDF.cpp

// Source file path
std::string image_path = "SourceDirectory\\skewSample.png";

// Prepare buffer for result (in symbols, len_byte = len * sizeof(wchar_t))
const size_t len = 4096;
wchar_t buffer[len] = { 0 };

// Calculate skew angle
std::double_t angle = asposeocr_get_skew(image_path.c_str());

// Set the recognition settings
RecognitionSettings settings;
settings.language_alphabet = language::eng;
settings.save_format = file_format::pdf;
settings.skew = angle;

// Perform the OCR operation and save the output file.
asposeocr_page_save(image_path.c_str(), "OutputDirectory\\SkewedImageToPDF.pdf", settings);