mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-22 22:47:50 +08:00
4523ce9f7d
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@526 d0cd1f9f-072b-0410-8dd7-cf729c803f20
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/**********************************************************************
|
|
* 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
|