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 {
31 void Tesseract::process_selected_words(
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