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https://github.com/tesseract-ocr/tesseract.git
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git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@878 d0cd1f9f-072b-0410-8dd7-cf729c803f20
131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/* -*-C-*-
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********************************************************************************
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*
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* File: seam.h (Formerly seam.h)
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* Description:
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* Author: Mark Seaman, SW Productivity
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* Created: Fri Oct 16 14:37:00 1987
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* Modified: Thu May 16 17:05:52 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Reusable Software Component
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*
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* (c) Copyright 1987, 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 SEAM_H
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#define SEAM_H
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/*----------------------------------------------------------------------
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I n c l u d e s
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----------------------------------------------------------------------*/
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#include "blobs.h"
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#include "split.h"
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/*----------------------------------------------------------------------
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T y p e s
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----------------------------------------------------------------------*/
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typedef float PRIORITY; /* PRIORITY */
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struct SEAM {
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// Constructor that was formerly new_seam.
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SEAM(PRIORITY priority0, const TPOINT& location0,
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SPLIT *splita, SPLIT *splitb, SPLIT *splitc)
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: priority(priority0), widthp(0), widthn(0), location(location0),
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split1(splita), split2(splitb), split3(splitc) {}
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// Copy constructor that was formerly clone_seam.
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SEAM(const SEAM& src)
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: priority(src.priority), widthp(src.widthp), widthn(src.widthn),
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location(src.location) {
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clone_split(split1, src.split1);
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clone_split(split2, src.split2);
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clone_split(split3, src.split3);
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}
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// Destructor was delete_seam.
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~SEAM() {
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if (split1)
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delete_split(split1);
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if (split2)
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delete_split(split2);
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if (split3)
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delete_split(split3);
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}
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PRIORITY priority;
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inT8 widthp;
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inT8 widthn;
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TPOINT location;
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SPLIT *split1;
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SPLIT *split2;
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SPLIT *split3;
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};
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/**
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* exact_point
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*
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* Return TRUE if the point positions are the exactly the same. The
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* parameters must be of type (EDGEPT*).
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*/
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#define exact_point(p1,p2) \
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(! ((p1->pos.x - p2->pos.x) || (p1->pos.y - p2->pos.y)))
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/*----------------------------------------------------------------------
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F u n c t i o n s
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----------------------------------------------------------------------*/
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bool point_in_split(SPLIT *split, EDGEPT *point1, EDGEPT *point2);
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bool point_in_seam(const SEAM *seam, SPLIT *split);
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bool point_used_by_split(SPLIT *split, EDGEPT *point);
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bool point_used_by_seam(SEAM *seam, EDGEPT *point);
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void combine_seams(SEAM *dest_seam, SEAM *source_seam);
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void start_seam_list(TWERD *word, GenericVector<SEAM*>* seam_array);
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bool test_insert_seam(const GenericVector<SEAM*>& seam_array,
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TWERD *word, int index);
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void insert_seam(const TWERD *word, int index, SEAM *seam,
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GenericVector<SEAM*>* seam_array);
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int account_splits(const SEAM *seam, const TWERD *word, int blob_index,
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int blob_direction);
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bool find_split_in_blob(SPLIT *split, TBLOB *blob);
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SEAM *join_two_seams(const SEAM *seam1, const SEAM *seam2);
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void print_seam(const char *label, SEAM *seam);
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void print_seams(const char *label, const GenericVector<SEAM*>& seams);
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int shared_split_points(const SEAM *seam1, const SEAM *seam2);
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void break_pieces(const GenericVector<SEAM*>& seams,
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int first, int last, TWERD *word);
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void join_pieces(const GenericVector<SEAM*>& seams,
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int first, int last, TWERD *word);
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void hide_seam(SEAM *seam);
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void hide_edge_pair(EDGEPT *pt1, EDGEPT *pt2);
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void reveal_seam(SEAM *seam);
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void reveal_edge_pair(EDGEPT *pt1, EDGEPT *pt2);
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#endif
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