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