Tesseract  3.02
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pagewalk.cpp
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1 /**********************************************************************
2  * File: pagewalk.cpp (Formerly walkers.c)
3  * Description: Block list processors
4  * Author: Phil Cheatle
5  * Created: Thu Oct 10 16:25:24 BST 1991
6  *
7  * (C) Copyright 1991, 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 #include "mfcpch.h"
21 #include "pageres.h"
22 #include "tesseractclass.h"
23 
30 namespace tesseract {
32  PAGE_RES* page_res, // blocks to check
33  TBOX & selection_box,
34  BOOL8(tesseract::Tesseract::*word_processor)( // function to call
35  BLOCK* block, ROW* row, WERD_RES* word_res)) {
36  for (PAGE_RES_IT page_res_it(page_res); page_res_it.word() != NULL;
37  page_res_it.forward()) {
38  WERD* word = page_res_it.word()->word;
39  if (word->bounding_box().overlap(selection_box)) {
40  if (!((this->*word_processor)(page_res_it.block()->block,
41  page_res_it.row()->row,
42  page_res_it.word())))
43  return;
44  }
45  }
46 }
47 } // namespace tesseract