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https://github.com/tesseract-ocr/tesseract.git
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79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/******************************************************************************
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** Filename: cutoffs.c
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** Purpose: Routines to manipulate an array of class cutoffs.
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** Author: Dan Johnson
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** History: Wed Feb 20 09:28:51 1991, DSJ, Created.
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**
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** (c) Copyright Hewlett-Packard Company, 1988.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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******************************************************************************/
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/*----------------------------------------------------------------------------
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Include Files and Type Defines
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----------------------------------------------------------------------------*/
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#include "cutoffs.h"
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#include <stdio.h>
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#include "classify.h"
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#include "efio.h"
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#include "globals.h"
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#include "helpers.h"
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#include "scanutils.h"
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#include "serialis.h"
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#include "unichar.h"
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#define REALLY_QUOTE_IT(x) QUOTE_IT(x)
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#define MAX_CUTOFF 1000
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namespace tesseract {
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/**
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* Open file, read in all of the class-id/cutoff pairs
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* and insert them into the Cutoffs array. Cutoffs are
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* indexed in the array by class id. Unused entries in the
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* array are set to an arbitrarily high cutoff value.
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* @param fp file containing cutoff definitions
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* @param Cutoffs array to put cutoffs into
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* @return none
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* @note Globals: none
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* @note Exceptions: none
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* @note History: Wed Feb 20 09:38:26 1991, DSJ, Created.
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*/
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void Classify::ReadNewCutoffs(TFile* fp, CLASS_CUTOFF_ARRAY Cutoffs) {
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char Class[UNICHAR_LEN + 1];
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CLASS_ID ClassId;
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int Cutoff;
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int i;
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if (shape_table_ != nullptr) {
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if (!shapetable_cutoffs_.DeSerialize(fp)) {
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tprintf("Error during read of shapetable pffmtable!\n");
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}
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}
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for (i = 0; i < MAX_NUM_CLASSES; i++)
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Cutoffs[i] = MAX_CUTOFF;
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const int kMaxLineSize = 100;
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char line[kMaxLineSize];
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while (fp->FGets(line, kMaxLineSize) != nullptr &&
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sscanf(line, "%" REALLY_QUOTE_IT(UNICHAR_LEN) "s %d", Class,
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&Cutoff) == 2) {
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if (strcmp(Class, "NULL") == 0) {
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ClassId = unicharset.unichar_to_id(" ");
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} else {
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ClassId = unicharset.unichar_to_id(Class);
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}
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Cutoffs[ClassId] = Cutoff;
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}
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}
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} // namespace tesseract
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