/usr/include/tesseract/matchtab.h is in libtesseract-dev 3.02.01-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | /* -*-C-*-
********************************************************************************
*
* File: matchtab.h (Formerly matchtab.h)
* Description: Match table to retain blobs that were matched.
* Author: Mark Seaman, OCR Technology
* Created: Mon Jan 29 09:00:56 1990
* Modified: Tue Mar 19 15:38:19 1991 (Mark Seaman) marks@hpgrlt
* Language: C
* Package: N/A
* Status: Experimental (Do Not Distribute)
*
* (c) Copyright 1990, Hewlett-Packard Company.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
*********************************************************************************/
#ifndef MATCHTAB_H
#define MATCHTAB_H
#include "ratngs.h"
#include "blobs.h"
namespace tesseract {
struct MATCH {
MATCH() : rating(NULL) {}
TBOX box;
BLOB_CHOICE_LIST *rating;
};
// A class for mapping rectangular bounding boxes to choice lists.
// Only meant to be used at the word level, as we have a limit of
// 500 recognition lists for all subsequences of blobs.
class BlobMatchTable {
public:
BlobMatchTable();
~BlobMatchTable();
void init_match_table();
void end_match_table();
void put_match(TBLOB *blob, BLOB_CHOICE_LIST *ratings);
BLOB_CHOICE_LIST *get_match(TBLOB *blob);
BLOB_CHOICE_LIST *get_match_by_box(const TBOX &box);
void add_to_match(TBLOB *blob, BLOB_CHOICE_LIST *ratings);
private:
int Hash(const TBOX &box) const;
// Returns whether the idx entry in the array is still empty.
bool IsEmpty(int idx) const;
bool been_initialized_;
MATCH* match_table_;
};
}
#endif
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