matchdefs.h

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/******************************************************************************
 ** Filename:    matchdefs.h
 ** Purpose:     Generic interface definitions for feature matchers.
 ** Author:      Dan Johnson
 **
 ** (c) Copyright Hewlett-Packard Company, 1988.
 ** 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.
 ******************************************************************************/
 
#ifndef MATCHDEFS_H
#define MATCHDEFS_H
 
#include <tesseract/unichar.h>
 
#include <climits> // INT16_MAX
#include <cstdint> // int16_t
 
namespace tesseract {
 
/* define the maximum number of classes defined for any matcher
  and the maximum class id for any matcher. This must be changed
  if more different classes need to be classified */
#define MAX_NUM_CLASSES INT16_MAX
 
using CLASS_ID = UNICHAR_ID;
#define NO_CLASS (0)
 
using PROTO_ID = int16_t;
#define NO_PROTO (-1)
 
using FEATURE_ID = uint8_t;
 
} // namespace tesseract
 
#endif