worditer.cpp

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

int main() {
    char *outText;

    tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI();
    // Initialize tesseract-ocr with English, without specifying tessdata path
    if (api->Init(NULL, "eng")) {
        fprintf(stderr, "Could not initialize tesseract.\n");
        exit(1);
    }

    // Open input image with leptonica library
    Pix *image = pixRead("../test.png");
    api->SetImage(image);
    api->Recognize(0);
    tesseract::ResultIterator* ri = api->GetIterator();
    tesseract::PageIteratorLevel level = tesseract::RIL_WORD;
    if (ri != 0) {
        do {
            const char* word = ri->GetUTF8Text(level);
            float conf = ri->Confidence(level);
            int x1, y1, x2, y2;
            ri->BoundingBox(level, &x1, &y1, &x2, &y2);
            printf("word: '%s';  \tconf: %.2f; BoundingBox: %d,%d,%d,%d;\n",
                    word, conf, x1, y1, x2, y2);
            delete[] word;
        } while (ri->Next(level));
    }
    api->End();
    pixDestroy(&image);
    return 0;
}