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wordseg.h
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1 /**********************************************************************
2 * File: wordseg.h (Formerly wspace.h)
3 * Description: Code to segment the blobs into words.
4 * Author: Ray Smith
5 * Created: Fri Oct 16 11:32:28 BST 1992
6 *
7 * (C) Copyright 1992, 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 WORDSEG_H
21 #define WORDSEG_H
22
23 #include "params.h"
24 #include "blobbox.h"
25 #include "notdll.h"
26 #include "textord.h"
27
28 namespace tesseract {
29 class Tesseract;
30 }
31
32 extern BOOL_VAR_H (textord_fp_chopping, TRUE, "Do fixed pitch chopping");
33 extern BOOL_VAR_H(textord_force_make_prop_words, FALSE,
34 "Force proportional word segmentation on all rows");
35 extern BOOL_VAR_H (textord_chopper_test, FALSE,
36 "Chopper is being tested.");
37
38 void make_single_word(bool one_blob, TO_ROW_LIST *rows, ROW_LIST* real_rows);
39 void make_words(tesseract::Textord *textord,
40 ICOORD page_tr, // top right
41 float gradient, // page skew
42 BLOCK_LIST *blocks, // block list
43 TO_BLOCK_LIST *port_blocks); // output list
44 void set_row_spaces( //find space sizes
45 TO_BLOCK *block, //block to do
46 FCOORD rotation, //for drawing
47 BOOL8 testing_on //correct orientation
48 );
49 inT32 row_words( //compute space size
50 TO_BLOCK *block, //block it came from
51 TO_ROW *row, //row to operate on
52 inT32 maxwidth, //max expected space size
53 FCOORD rotation, //for drawing
54 BOOL8 testing_on //for debug
55 );
56 inT32 row_words2( //compute space size
57 TO_BLOCK *block, //block it came from
58 TO_ROW *row, //row to operate on
59 inT32 maxwidth, //max expected space size
60 FCOORD rotation, //for drawing
61 BOOL8 testing_on //for debug
62 );
63 void make_real_words(
64 tesseract::Textord *textord,
65 TO_BLOCK *block, //block to do
66 FCOORD rotation //for drawing
67 );
68 ROW *make_rep_words( //make a row
69 TO_ROW *row, //row to convert
70 TO_BLOCK *block //block it lives in
71 );
72 WERD *make_real_word( //make a WERD
73 BLOBNBOX_IT *box_it, //iterator
74 inT32 blobcount, //no of blobs to use
75 BOOL8 bol, //start of line
76 uinT8 blanks //no of blanks
77 );
78 #endif