tesseract/src/textord/sortflts.h

77 lines
2.0 KiB
C++

/**********************************************************************
* File: sortflts.h (Formerly sfloats.h)
* Description: Code to maintain a sorted list of floats.
* Author: Ray Smith
*
* (C) Copyright 1993, 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.
*
**********************************************************************/
#ifndef SORTFLTS_H
#define SORTFLTS_H
#include "elst.h"
namespace tesseract {
class SORTED_FLOAT : public ELIST_LINK
{
friend class SORTED_FLOATS;
public:
SORTED_FLOAT() = default;
SORTED_FLOAT( //create one
float value, //value of entry
int32_t key) { //reference
entry = value;
address = key;
}
private:
float entry; //value of float
int32_t address; //key
};
ELISTIZEH (SORTED_FLOAT)
class SORTED_FLOATS
{
public:
/** empty constructor */
SORTED_FLOATS() {
it.set_to_list (&list);
}
/**
* add sample
* @param value sample float
* @param key retrieval key
*/
void add(float value,
int32_t key);
/**
* delete sample
* @param key key to delete
*/
void remove(int32_t key);
/**
* index to list
* @param index item to get
*/
float operator[] (int32_t index);
private:
SORTED_FLOAT_LIST list; //list of floats
SORTED_FLOAT_IT it; //iterator built-in
};
} // namespace tesseract
#endif