// Open the boxfile based on the given image filename.
FILE* OpenBoxFile(const STRING& fname) {
STRING filename = BoxFileName(fname);
FILE* box_file = NULL;
if (!(box_file = fopen(filename.string(), "rb"))) {
CANTOPENFILE.error("read_next_box", TESSEXIT, "Can't open box file %s",
filename.string());
}
return box_file;
}
// Reads all boxes from the given filename.
// Reads a specific target_page number if >= 0, or all pages otherwise.
// Skips blanks if skip_blanks is true.
// The UTF-8 label of the box is put in texts, and the full box definition as
// a string is put in box_texts, with the corresponding page number in pages.
// Each of the output vectors is optional (may be NULL).
// Returns false if no boxes are found.
bool ReadAllBoxes(int target_page, bool skip_blanks, const STRING& filename,
GenericVector<TBOX>* boxes,
GenericVector<STRING>* texts,
GenericVector<STRING>* box_texts,
GenericVector<int>* pages) {
GenericVector<char> box_data;
if (!tesseract::LoadDataFromFile(BoxFileName(filename), &box_data))
return false;
return ReadMemBoxes(target_page, skip_blanks, &box_data[0], boxes, texts,
box_texts, pages);
}
// Reads all boxes from the given filename.
// Reads a specific target_page number if >= 0, or all pages otherwise.
// Skips blanks if skip_blanks is true.
// The UTF-8 label of the box is put in texts, and the full box definition as
// a string is put in box_texts, with the corresponding page number in pages.
// Each of the output vectors is optional (may be NULL).
// Returns false if no boxes are found.
bool ReadAllBoxes(int target_page, bool skip_blanks, const STRING& filename,
GenericVector<TBOX>* boxes,
GenericVector<STRING>* texts,
GenericVector<STRING>* box_texts,
GenericVector<int>* pages) {
GenericVector<char> box_data;
if (!tesseract::LoadDataFromFile(BoxFileName(filename), &box_data))
return false;
// Convert the array of bytes to a string, so it can be used by the parser.
box_data.push_back('\0');
return ReadMemBoxes(target_page, skip_blanks, &box_data[0], boxes, texts,
box_texts, pages);
}
