/usr/include/tesseract/edgloop.h is in libtesseract-dev 3.02.01-6.
This file is owned by root:root, with mode 0o644.
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* File: edgloop.h (Formerly edgeloop.h)
* Description: Functions to clean up an outline before approximation.
* Author: Ray Smith
* Created: Tue Mar 26 16:56:25 GMT 1991
*
* (C) Copyright 1991, Hewlett-Packard Ltd.
** 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 EDGLOOP_H
#define EDGLOOP_H
#include "scrollview.h"
#include "params.h"
#include "img.h"
#include "pdblock.h"
#include "coutln.h"
#include "crakedge.h"
#define BUCKETSIZE 16
extern double_VAR_H (edges_threshold_greyfraction, 0.07,
"Min edge diff for grad vector");
extern BOOL_VAR_H (edges_show_paths, FALSE, "Draw raw outlines");
extern BOOL_VAR_H (edges_show_needles, FALSE, "Draw edge needles");
extern INT_VAR_H (edges_children_per_grandchild, 10,
"Importance ratio for chucking outlines");
extern INT_VAR_H (edges_children_count_limit, 45,
"Max holes allowed in blob");
extern INT_VAR_H (edges_maxedgelength, 16000, "Max steps in any outline");
extern double_VAR_H (edges_childarea, 0.5,
"Max area fraction of child outline");
extern double_VAR_H (edges_boxarea, 0.8,
"Min area fraction of grandchild for box");
void complete_edge(CRACKEDGE *start, //start of loop
C_OUTLINE_IT* outline_it);
ScrollView::Color check_path_legal( //certify outline
CRACKEDGE *start //start of loop
);
inT16 loop_bounding_box( //get bounding box
CRACKEDGE *&start, //edge loop
ICOORD &botleft, //bounding box
ICOORD &topright);
#endif
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