tesseract  4.1.1
cutoffs.cpp
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1 /******************************************************************************
2  ** Filename: cutoffs.c
3  ** Purpose: Routines to manipulate an array of class cutoffs.
4  ** Author: Dan Johnson
5  **
6  ** (c) Copyright Hewlett-Packard Company, 1988.
7  ** Licensed under the Apache License, Version 2.0 (the "License");
8  ** you may not use this file except in compliance with the License.
9  ** You may obtain a copy of the License at
10  ** http://www.apache.org/licenses/LICENSE-2.0
11  ** Unless required by applicable law or agreed to in writing, software
12  ** distributed under the License is distributed on an "AS IS" BASIS,
13  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  ** See the License for the specific language governing permissions and
15  ** limitations under the License.
16  ******************************************************************************/
17 /*----------------------------------------------------------------------------
18  Include Files and Type Defines
19 ----------------------------------------------------------------------------*/
20 
21 #include <cstdio>
22 #include <sstream> // for std::istringstream
23 #include <string> // for std::string
24 
25 #include "classify.h"
26 #include "helpers.h"
27 #include "serialis.h"
28 #include "unichar.h"
29 
30 #define MAX_CUTOFF 1000
31 
32 namespace tesseract {
41 void Classify::ReadNewCutoffs(TFile* fp, uint16_t* Cutoffs) {
42  int Cutoff;
43 
44  if (shape_table_ != nullptr) {
45  if (!shapetable_cutoffs_.DeSerialize(fp)) {
46  tprintf("Error during read of shapetable pffmtable!\n");
47  }
48  }
49  for (int i = 0; i < MAX_NUM_CLASSES; i++)
50  Cutoffs[i] = MAX_CUTOFF;
51 
52  const int kMaxLineSize = 100;
53  char line[kMaxLineSize];
54  while (fp->FGets(line, kMaxLineSize) != nullptr) {
55  std::string Class;
56  CLASS_ID ClassId;
57  std::istringstream stream(line);
58  stream >> Class >> Cutoff;
59  if (stream.fail()) {
60  break;
61  }
62  if (Class.compare("NULL") == 0) {
63  ClassId = unicharset.unichar_to_id(" ");
64  } else {
65  ClassId = unicharset.unichar_to_id(Class.c_str());
66  }
67  ASSERT_HOST(ClassId >= 0 && ClassId < MAX_NUM_CLASSES);
68  Cutoffs[ClassId] = Cutoff;
69  }
70 }
71 
72 } // namespace tesseract
DLLSYM void tprintf(const char *format,...)
Definition: tprintf.cpp:35
ShapeTable * shape_table_
Definition: classify.h:546
#define MAX_NUM_CLASSES
Definition: matchdefs.h:30
#define MAX_CUTOFF
Definition: cutoffs.cpp:30
void ReadNewCutoffs(TFile *fp, uint16_t *Cutoffs)
Definition: cutoffs.cpp:41
UNICHAR_ID CLASS_ID
Definition: matchdefs.h:34
bool DeSerialize(bool swap, FILE *fp)
UNICHAR_ID unichar_to_id(const char *const unichar_repr) const
Definition: unicharset.cpp:210
char * FGets(char *buffer, int buffer_size)
Definition: serialis.cpp:249
UNICHARSET unicharset
Definition: ccutil.h:73
#define ASSERT_HOST(x)
Definition: errcode.h:88