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underlin.h
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1 /**********************************************************************
2  * File: underlin.h (Formerly undrline.h)
3  * Description: Code to chop blobs apart from underlines.
4  * Author: Ray Smith
5  * Created: Mon Aug 8 11:14:00 BST 1994
6  *
7  * (C) Copyright 1994, Hewlett-Packard Ltd.
8  ** Licensed under the Apache License, Version 2.0 (the "License");
9  ** you may not use this file except in compliance with the License.
10  ** You may obtain a copy of the License at
11  ** http://www.apache.org/licenses/LICENSE-2.0
12  ** Unless required by applicable law or agreed to in writing, software
13  ** distributed under the License is distributed on an "AS IS" BASIS,
14  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  ** See the License for the specific language governing permissions and
16  ** limitations under the License.
17  *
18  **********************************************************************/
19 
20 #ifndef UNDERLIN_H
21 #define UNDERLIN_H
22 
23 #include "fpchop.h"
24 #include "notdll.h"
25 
27 "Fraction of x to ignore");
29 "Chop underlines & put back");
30 void restore_underlined_blobs( //get chop points
31  TO_BLOCK *block //block to do
32  );
33 TO_ROW *most_overlapping_row( //find best row
34  TO_ROW_LIST *rows, //list of rows
35  BLOBNBOX *blob //blob to place
36  );
37 void find_underlined_blobs( //get chop points
38  BLOBNBOX *u_line, //underlined unit
39  QSPLINE *baseline, //actual baseline
40  float xheight, //height of line
41  float baseline_offset, //amount to shrinke it
42  ICOORDELT_LIST *chop_cells //places to chop
43  );
44 void vertical_cunderline_projection( //project outlines
45  C_OUTLINE *outline, //outline to project
46  QSPLINE *baseline, //actual baseline
47  float xheight, //height of line
48  float baseline_offset, //amount to shrinke it
49  STATS *lower_proj, //below baseline
50  STATS *middle_proj, //centre region
51  STATS *upper_proj //top region
52  );
53 #endif