tesseract v5.3.3.20231005
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 <tesseract/unichar.h>
26#include "classify.h"
27#include "helpers.h"
28#include "serialis.h"
29
30#define MAX_CUTOFF 1000
31
32namespace tesseract {
41void Classify::ReadNewCutoffs(TFile *fp, uint16_t *Cutoffs) {
42 int Cutoff;
43
44 if (shape_table_ != nullptr) {
45 if (!fp->DeSerialize(shapetable_cutoffs_)) {
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
53 const int kMaxLineSize = 100;
54 char line[kMaxLineSize];
55 while (fp->FGets(line, kMaxLineSize) != nullptr) {
56 std::string Class;
57 CLASS_ID ClassId;
58 std::istringstream stream(line);
59 stream.imbue(std::locale::classic());
60 stream >> Class >> Cutoff;
61 if (stream.fail()) {
62 break;
63 }
64 if (Class.compare("NULL") == 0) {
65 ClassId = unicharset.unichar_to_id(" ");
66 } else {
67 ClassId = unicharset.unichar_to_id(Class.c_str());
68 }
69 ASSERT_HOST(ClassId >= 0 && ClassId < MAX_NUM_CLASSES);
70 Cutoffs[ClassId] = Cutoff;
71 }
72}
73
74} // namespace tesseract
#define ASSERT_HOST(x)
Definition: errcode.h:54
#define MAX_NUM_CLASSES
Definition: matchdefs.h:31
#define MAX_CUTOFF
Definition: cutoffs.cpp:30
void tprintf(const char *format,...)
Definition: tprintf.cpp:41
UNICHAR_ID CLASS_ID
Definition: matchdefs.h:34
UNICHARSET unicharset
Definition: ccutil.h:61
bool DeSerialize(std::string &data)
Definition: serialis.cpp:94
char * FGets(char *buffer, int buffer_size)
Definition: serialis.cpp:195
UNICHAR_ID unichar_to_id(const char *const unichar_repr) const
Definition: unicharset.cpp:186
ShapeTable * shape_table_
Definition: classify.h:451
void ReadNewCutoffs(TFile *fp, uint16_t *Cutoffs)
Definition: cutoffs.cpp:41