///////////////////////////////////////////////////////////////////////

// File:        blobgrid.cpp

// Description: BBGrid of BLOBNBOX with useful BLOBNBOX-specific methods.

// Copyright 2011 Google Inc. All Rights Reserved.

// Author: rays@google.com (Ray Smith)

// Created:     Sat Jun 11 10:30:01 PST 2011

//

// 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 "blobgrid.h"

namespace tesseract {

BlobGrid::BlobGrid(int gridsize, const ICOORD &bleft, const ICOORD &tright)

    : BBGrid<BLOBNBOX, BLOBNBOX_CLIST, BLOBNBOX_C_IT>(gridsize, bleft, tright) {}

// Destructor.

// It is defined here, so the compiler can create a single vtable

// instead of weak vtables in every compilation unit.

BlobGrid::~BlobGrid() = default;

// Inserts all the blobs from the given list, with x and y spreading,

// without removing from the source list, so ownership remains with the

// source list.

void BlobGrid::InsertBlobList(BLOBNBOX_LIST *blobs) {

  BLOBNBOX_IT blob_it(blobs);

  for (blob_it.mark_cycle_pt(); !blob_it.cycled_list(); blob_it.forward()) {

    BLOBNBOX *blob = blob_it.data();

    if (!blob->joined_to_prev()) {

      InsertBBox(true, true, blob);

    }

  }

}

} // namespace tesseract.