tesseract-ocr: output word font attributes example

/*
  g++ -o test_font_features test_font_features-2.cpp -ltesseract
*/

#include <tesseract/baseapi.h>
#include <leptonica/allheaders.h>

int main() {
    tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI();

    if (api->Init(NULL, "eng")) {
        fprintf(stderr, "Could not initialize tesseract.\n");
        exit(1);
    }

    Pix *pix = pixRead("/usr/src/tesseract-3.02/phototest.tif");
    api->SetImage(pix);

    int lcount = 1;
    api->Recognize(0);
    tesseract::ResultIterator* ri = api->GetIterator();
    if (ri != 0) {
        do {
            const char* word = ri->GetUTF8Text(tesseract::RIL_WORD);
            if (word != 0) {
                const char *font_name;
                bool bold, italic, underlined, monospace, serif, smallcaps;
                int pointsize, font_id;
                font_name = ri->WordFontAttributes(&bold, &italic, &underlined,
                                                   &monospace, &serif,
                                                   &smallcaps, &pointsize,
                                                   &font_id);
                printf("%s \t=> fontname: %s, size: %d, font_id: %d, bold: %d,"\
                       " italic: %d, underlined: %d, monospace: %d, serif: %d,"\
                       " smallcap: %d\n", word, font_name, pointsize, font_id,
                       bold, italic, underlined, monospace, serif, smallcaps);
            }
            delete[] word;
            lcount++;
        } while (ri->Next(tesseract::RIL_WORD));
    }

    delete ri;
    api->End();
    pixDestroy(&pix);
    return 0;
}