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01026af5a2
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@652 d0cd1f9f-072b-0410-8dd7-cf729c803f20
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/* -*-C-*-
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********************************************************************************
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*
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* File: matchtab.h (Formerly matchtab.h)
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* Description: Match table to retain blobs that were matched.
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* Author: Mark Seaman, OCR Technology
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* Created: Mon Jan 29 09:00:56 1990
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* Modified: Tue Mar 19 15:38:19 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Experimental (Do Not Distribute)
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*
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* (c) Copyright 1990, Hewlett-Packard Company.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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*********************************************************************************/
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#ifndef MATCHTAB_H
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#define MATCHTAB_H
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#include "ratngs.h"
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#include "blobs.h"
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namespace tesseract {
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struct MATCH {
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MATCH() : rating(NULL) {}
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TBOX box;
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BLOB_CHOICE_LIST *rating;
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};
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// A class for mapping rectangular bounding boxes to choice lists.
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// Only meant to be used at the word level, as we have a limit of
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// 500 recognition lists for all subsequences of blobs.
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class BlobMatchTable {
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public:
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BlobMatchTable();
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~BlobMatchTable();
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void init_match_table();
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void end_match_table();
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void put_match(TBLOB *blob, BLOB_CHOICE_LIST *ratings);
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BLOB_CHOICE_LIST *get_match(TBLOB *blob);
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BLOB_CHOICE_LIST *get_match_by_box(const TBOX &box);
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void add_to_match(TBLOB *blob, BLOB_CHOICE_LIST *ratings);
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private:
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int Hash(const TBOX &box) const;
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// Returns whether the idx entry in the array is still empty.
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bool IsEmpty(int idx) const;
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bool been_initialized_;
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MATCH* match_table_;
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};
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}
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#endif
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