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annotate mupdf-source/thirdparty/tesseract/src/ccmain/pagewalk.cpp @ 29:f76e6575dca9 v1.26.4+1

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+++++ v1.26.4+1
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 19:59:23 +0200
parents b50eed0cc0ef
children
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1 /**********************************************************************
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2 * File: pagewalk.cpp (Formerly walkers.c)
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3 * Description: Block list processors
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4 * Author: Phil Cheatle
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5 * Created: Thu Oct 10 16:25:24 BST 1991
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6 *
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7 * (C) Copyright 1991, Hewlett-Packard Ltd.
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8 ** Licensed under the Apache License, Version 2.0 (the "License");
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9 ** you may not use this file except in compliance with the License.
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10 ** You may obtain a copy of the License at
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11 ** http://www.apache.org/licenses/LICENSE-2.0
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12 ** Unless required by applicable law or agreed to in writing, software
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13 ** distributed under the License is distributed on an "AS IS" BASIS,
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14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 ** See the License for the specific language governing permissions and
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16 ** limitations under the License.
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17 *
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18 **********************************************************************/
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20 #include "pageres.h"
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21 #include "tesseractclass.h"
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23 namespace tesseract {
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24 /**
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25 * @name process_selected_words()
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26 *
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27 * Walk the current block list applying the specified word processor function
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28 * to each word that overlaps the selection_box.
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29 */
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30 void Tesseract::process_selected_words(
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31 PAGE_RES *page_res, // blocks to check
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32 TBOX &selection_box, bool (tesseract::Tesseract::*word_processor)(PAGE_RES_IT *pr_it)) {
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33 for (PAGE_RES_IT page_res_it(page_res); page_res_it.word() != nullptr; page_res_it.forward()) {
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34 WERD *word = page_res_it.word()->word;
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35 if (word->bounding_box().overlap(selection_box)) {
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36 if (!(this->*word_processor)(&page_res_it)) {
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37 return;
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38 }
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39 }
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40 }
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41 }
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42 } // namespace tesseract