mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-23 23:17:49 +08:00
53 lines
2.6 KiB
C
53 lines
2.6 KiB
C
|
/**********************************************************************
|
||
|
|
* File: underlin.h (Formerly undrline.h)
|
||
|
|
* Description: Code to chop blobs apart from underlines.
|
||
|
|
* Author: Ray Smith
|
||
|
|
* Created: Mon Aug 8 11:14:00 BST 1994
|
||
|
|
*
|
||
|
|
* (C) Copyright 1994, 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 UNDERLIN_H
|
||
|
|
#define UNDERLIN_H
|
||
|
|
|
||
|
|
#include "fpchop.h"
|
||
|
|
|
||
|
|
extern double_VAR_H (textord_underline_offset, 0.1,
|
||
|
|
"Fraction of x to ignore");
|
||
|
|
extern BOOL_VAR_H (textord_restore_underlines, FALSE,
|
||
|
|
"Chop underlines & put back");
|
||
|
|
void restore_underlined_blobs( //get chop points
|
||
|
|
TO_BLOCK *block //block to do
|
||
|
|
);
|
||
|
|
TO_ROW *most_overlapping_row( //find best row
|
||
|
|
TO_ROW_LIST *rows, //list of rows
|
||
|
|
BLOBNBOX *blob //blob to place
|
||
|
|
);
|
||
|
|
void find_underlined_blobs( //get chop points
|
||
|
|
BLOBNBOX *u_line, //underlined unit
|
||
|
|
QSPLINE *baseline, //actual baseline
|
||
|
|
float xheight, //height of line
|
||
|
|
float baseline_offset, //amount to shrinke it
|
||
|
|
ICOORDELT_LIST *chop_cells //places to chop
|
||
|
|
);
|
||
|
|
void vertical_cunderline_projection( //project outlines
|
||
|
|
C_OUTLINE *outline, //outline to project
|
||
|
|
QSPLINE *baseline, //actual baseline
|
||
|
|
float xheight, //height of line
|
||
|
|
float baseline_offset, //amount to shrinke it
|
||
|
|
STATS *lower_proj, //below baseline
|
||
|
|
STATS *middle_proj, //centre region
|
||
|
|
STATS *upper_proj //top region
|
||
|
|
);
|
||
|
|
#endif
|