tesseract/ccmain/werdit.cpp
theraysmith c8465252e4 Rewrite of DENORM
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@538 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2010-11-30 01:05:48 +00:00

61 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 "mfcpch.h"
#include "werdit.h"
/**********************************************************************
* make_pseudo_word
*
* Make all the blobs inside a selection into a single word.
* The word is always a copy and needs to be deleted.
**********************************************************************/
WERD *make_pseudo_word(PAGE_RES* page_res, // Blocks to check.
TBOX &selection_box,
BLOCK *&pseudo_block,
ROW *&pseudo_row) { // Row of selection.
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
WERD *pseudo_word; // fabricated word
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));
pseudo_row = pr_it.row()->row;
pseudo_block = pr_it.block()->block;
}
}
}
}
if (!new_blobs.empty())
pseudo_word = new WERD(&new_blobs, 1, NULL);
else
pseudo_word = NULL;
return pseudo_word;
}