tesseract  5.0.0-alpha-619-ge9db
underlin.h
Go to the documentation of this file.
1 /**********************************************************************
2  * File: underlin.h (Formerly undrline.h)
3  * Description: Code to chop blobs apart from underlines.
4  * Author: Ray Smith
5  *
6  * (C) Copyright 1994, Hewlett-Packard Ltd.
7  ** Licensed under the Apache License, Version 2.0 (the "License");
8  ** you may not use this file except in compliance with the License.
9  ** You may obtain a copy of the License at
10  ** http://www.apache.org/licenses/LICENSE-2.0
11  ** Unless required by applicable law or agreed to in writing, software
12  ** distributed under the License is distributed on an "AS IS" BASIS,
13  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  ** See the License for the specific language governing permissions and
15  ** limitations under the License.
16  *
17  **********************************************************************/
18 
19 #ifndef UNDERLIN_H
20 #define UNDERLIN_H
21 
22 #include "fpchop.h"
23 
25 "Fraction of x to ignore");
27 "Chop underlines & put back");
28 void restore_underlined_blobs( //get chop points
29  TO_BLOCK *block //block to do
30  );
31 TO_ROW *most_overlapping_row( //find best row
32  TO_ROW_LIST *rows, //list of rows
33  BLOBNBOX *blob //blob to place
34  );
35 void find_underlined_blobs( //get chop points
36  BLOBNBOX *u_line, //underlined unit
37  QSPLINE *baseline, //actual baseline
38  float xheight, //height of line
39  float baseline_offset, //amount to shrinke it
40  ICOORDELT_LIST *chop_cells //places to chop
41  );
42 void vertical_cunderline_projection( //project outlines
43  C_OUTLINE *outline, //outline to project
44  QSPLINE *baseline, //actual baseline
45  float xheight, //height of line
46  float baseline_offset, //amount to shrinke it
47  STATS *lower_proj, //below baseline
48  STATS *middle_proj, //centre region
49  STATS *upper_proj //top region
50  );
51 #endif
restore_underlined_blobs
void restore_underlined_blobs(TO_BLOCK *block)
Definition: underlin.cpp:28
vertical_cunderline_projection
void vertical_cunderline_projection(C_OUTLINE *outline, QSPLINE *baseline, float xheight, float baseline_offset, STATS *lower_proj, STATS *middle_proj, STATS *upper_proj)
Definition: underlin.cpp:204
baseline
Definition: mfoutline.h:62
QSPLINE
Definition: quspline.h:31
TO_BLOCK
Definition: blobbox.h:691
find_underlined_blobs
void find_underlined_blobs(BLOBNBOX *u_line, QSPLINE *baseline, float xheight, float baseline_offset, ICOORDELT_LIST *chop_cells)
Definition: underlin.cpp:160
most_overlapping_row
TO_ROW * most_overlapping_row(TO_ROW_LIST *rows, BLOBNBOX *blob)
Definition: underlin.cpp:104
BLOBNBOX
Definition: blobbox.h:142
double_VAR_H
#define double_VAR_H(name, val, comment)
Definition: params.h:298
C_OUTLINE
Definition: coutln.h:71
textord_restore_underlines
bool textord_restore_underlines
Definition: underlin.cpp:21
textord_underline_offset
double textord_underline_offset
Definition: underlin.cpp:20
STATS
Definition: statistc.h:30
BOOL_VAR_H
#define BOOL_VAR_H(name, val, comment)
Definition: params.h:294
TO_ROW
Definition: blobbox.h:543
fpchop.h