/usr/include/tesseract/char_samp_set.h is in libtesseract-dev 3.02.01-6.
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* File: char_samp_set.h
* Description: Declaration of a Character Sample Set Class
* Author: Ahmad Abdulkader
* Created: 2007
*
* (C) Copyright 2008, Google Inc.
** 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.
*
**********************************************************************/
// The CharSampSet set encapsulates a set of CharSet objects typically
// but not necessarily loaded from a file
// It provides methods to load samples from File, Create a new file and
// Add new char samples to the set
#ifndef CHAR_SAMP_SET_H
#define CHAR_SAMP_SET_H
#include <stdlib.h>
#include <stdio.h>
#include <string>
#include "char_samp.h"
#include "char_samp_enum.h"
#include "char_set.h"
namespace tesseract {
// chunks of samp pointers to allocate
#define SAMP_ALLOC_BLOCK 10000
class CharSampSet {
public:
CharSampSet();
~CharSampSet();
// return sample count
int SampleCount() const { return cnt_; }
// returns samples buffer
CharSamp ** Samples() const { return samp_buff_; }
// Create a CharSampSet set object from a file
static CharSampSet *FromCharDumpFile(string file_name);
// Enumerate the Samples in the set one-by-one calling the enumertor's
// EnumCharSamp method for each sample
static bool EnumSamples(string file_name, CharSampEnum *enumerator);
// Create a new Char Dump file
static FILE *CreateCharDumpFile(string file_name);
// Add a new sample to the set
bool Add(CharSamp *char_samp);
private:
// sample count
int cnt_;
// the char samp array
CharSamp **samp_buff_;
// Are the samples owned by the set or not.
// Determines whether we should cleanup in the end
bool own_samples_;
// Cleanup
void Cleanup();
// Load character samples from a file
bool LoadCharSamples(FILE *fp);
};
}
#endif // CHAR_SAMP_SET_H
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