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7768f9b336
The changes are based on an analysis done with include-what-you-use. Signed-off-by: Stefan Weil <sw@weilnetz.de>
64 lines
2.7 KiB
C++
64 lines
2.7 KiB
C++
/**********************************************************************
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* File: werdit.cpp (Formerly wordit.c)
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* Description: An iterator for passing over all the words in a document.
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* Author: Ray Smith
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* Created: Mon Apr 27 08:51:22 BST 1992
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*
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* (C) Copyright 1992, Hewlett-Packard Ltd.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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**********************************************************************/
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#include "werdit.h"
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#include "errcode.h" // for ASSERT_HOST
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#include "pageres.h" // for PAGE_RES_IT, PAGE_RES (ptr only), WERD_RES
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#include "stepblob.h" // for C_BLOB_IT, C_BLOB, C_BLOB_LIST
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#include "werd.h" // for WERD
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/**********************************************************************
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* make_pseudo_word
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*
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* Make all the blobs inside a selection into a single word.
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* The returned PAGE_RES_IT* it points to the new word. After use, call
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* it->DeleteCurrentWord() to delete the fake word, and then
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* delete it to get rid of the iterator itself.
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**********************************************************************/
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PAGE_RES_IT* make_pseudo_word(PAGE_RES* page_res, const TBOX& selection_box) {
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PAGE_RES_IT pr_it(page_res);
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C_BLOB_LIST new_blobs; // list of gathered blobs
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C_BLOB_IT new_blob_it = &new_blobs; // iterator
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for (WERD_RES* word_res = pr_it.word(); word_res != nullptr;
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word_res = pr_it.forward()) {
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WERD* word = word_res->word;
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if (word->bounding_box().overlap(selection_box)) {
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C_BLOB_IT blob_it(word->cblob_list());
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for (blob_it.mark_cycle_pt();
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!blob_it.cycled_list(); blob_it.forward()) {
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C_BLOB* blob = blob_it.data();
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if (blob->bounding_box().overlap(selection_box)) {
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new_blob_it.add_after_then_move(C_BLOB::deep_copy(blob));
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}
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}
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if (!new_blobs.empty()) {
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WERD* pseudo_word = new WERD(&new_blobs, 1, nullptr);
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word_res = pr_it.InsertSimpleCloneWord(*word_res, pseudo_word);
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PAGE_RES_IT* it = new PAGE_RES_IT(page_res);
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while (it->word() != word_res && it->word() != nullptr) it->forward();
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ASSERT_HOST(it->word() == word_res);
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return it;
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}
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}
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}
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return nullptr;
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}
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