mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-11-24 19:19:05 +08:00
dbf6197471
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@1147 d0cd1f9f-072b-0410-8dd7-cf729c803f20
60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
/**********************************************************************
|
|
* File: werdit.cpp (Formerly wordit.c)
|
|
* Description: An iterator for passing over all the words in a document.
|
|
* Author: Ray Smith
|
|
* Created: Mon Apr 27 08:51:22 BST 1992
|
|
*
|
|
* (C) Copyright 1992, Hewlett-Packard Ltd.
|
|
** Licensed under the Apache License, Version 2.0 (the "License");
|
|
** you may not use this file except in compliance with the License.
|
|
** You may obtain a copy of the License at
|
|
** http://www.apache.org/licenses/LICENSE-2.0
|
|
** Unless required by applicable law or agreed to in writing, software
|
|
** distributed under the License is distributed on an "AS IS" BASIS,
|
|
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
** See the License for the specific language governing permissions and
|
|
** limitations under the License.
|
|
*
|
|
**********************************************************************/
|
|
|
|
#include "werdit.h"
|
|
|
|
/**********************************************************************
|
|
* make_pseudo_word
|
|
*
|
|
* Make all the blobs inside a selection into a single word.
|
|
* The returned PAGE_RES_IT* it points to the new word. After use, call
|
|
* it->DeleteCurrentWord() to delete the fake word, and then
|
|
* delete it to get rid of the iterator itself.
|
|
**********************************************************************/
|
|
|
|
PAGE_RES_IT* make_pseudo_word(PAGE_RES* page_res, const TBOX& selection_box) {
|
|
PAGE_RES_IT pr_it(page_res);
|
|
C_BLOB_LIST new_blobs; // list of gathered blobs
|
|
C_BLOB_IT new_blob_it = &new_blobs; // iterator
|
|
|
|
for (WERD_RES* word_res = pr_it.word(); word_res != NULL;
|
|
word_res = pr_it.forward()) {
|
|
WERD* word = word_res->word;
|
|
if (word->bounding_box().overlap(selection_box)) {
|
|
C_BLOB_IT blob_it(word->cblob_list());
|
|
for (blob_it.mark_cycle_pt();
|
|
!blob_it.cycled_list(); blob_it.forward()) {
|
|
C_BLOB* blob = blob_it.data();
|
|
if (blob->bounding_box().overlap(selection_box)) {
|
|
new_blob_it.add_after_then_move(C_BLOB::deep_copy(blob));
|
|
}
|
|
}
|
|
if (!new_blobs.empty()) {
|
|
WERD* pseudo_word = new WERD(&new_blobs, 1, NULL);
|
|
word_res = pr_it.InsertSimpleCloneWord(*word_res, pseudo_word);
|
|
PAGE_RES_IT* it = new PAGE_RES_IT(page_res);
|
|
while (it->word() != word_res && it->word() != NULL) it->forward();
|
|
ASSERT_HOST(it->word() == word_res);
|
|
return it;
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|