tesseract v5.3.3.20231005
blobgrid.cpp
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1
2// File: blobgrid.cpp
3// Description: BBGrid of BLOBNBOX with useful BLOBNBOX-specific methods.
4// Copyright 2011 Google Inc. All Rights Reserved.
5// Author: rays@google.com (Ray Smith)
6// Created: Sat Jun 11 10:30:01 PST 2011
7//
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//
19
20#include "blobgrid.h"
21
22namespace tesseract {
23
24BlobGrid::BlobGrid(int gridsize, const ICOORD &bleft, const ICOORD &tright)
25 : BBGrid<BLOBNBOX, BLOBNBOX_CLIST, BLOBNBOX_C_IT>(gridsize, bleft, tright) {}
26
27// Destructor.
28// It is defined here, so the compiler can create a single vtable
29// instead of weak vtables in every compilation unit.
30BlobGrid::~BlobGrid() = default;
31
32// Inserts all the blobs from the given list, with x and y spreading,
33// without removing from the source list, so ownership remains with the
34// source list.
35void BlobGrid::InsertBlobList(BLOBNBOX_LIST *blobs) {
36 BLOBNBOX_IT blob_it(blobs);
37 for (blob_it.mark_cycle_pt(); !blob_it.cycled_list(); blob_it.forward()) {
38 BLOBNBOX *blob = blob_it.data();
39 if (!blob->joined_to_prev()) {
40 InsertBBox(true, true, blob);
41 }
42 }
43}
44
45} // namespace tesseract.
bool joined_to_prev() const
Definition: blobbox.h:265
integer coordinate
Definition: points.h:36
void InsertBBox(bool h_spread, bool v_spread, BLOBNBOX *bbox)
Definition: bbgrid.h:529
~BlobGrid() override
BlobGrid(int gridsize, const ICOORD &bleft, const ICOORD &tright)
Definition: blobgrid.cpp:24
void InsertBlobList(BLOBNBOX_LIST *blobs)
Definition: blobgrid.cpp:35