tesseract/classify/outfeat.h

/******************************************************************************
 **	Filename:    outfeat.h
 **	Purpose:     Definition of outline features.
 **	Author:      Dan Johnson
 **	History:     11/13/90, DSJ, Created.
 **
 **	(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   OUTFEAT_H
#define   OUTFEAT_H

/**----------------------------------------------------------------------------
          Include Files and Type Defines
----------------------------------------------------------------------------**/
#include "ocrfeatures.h"
#include "fpoint.h"
#include "mfoutline.h"

typedef enum {
  OutlineFeatX,
  OutlineFeatY,
  OutlineFeatLength,
  OutlineFeatDir
} OUTLINE_FEAT_PARAM_NAME;

#define MAX_OUTLINE_FEATURES  (100)
/**----------------------------------------------------------------------------
          Public Function Prototypes
----------------------------------------------------------------------------**/
FEATURE_SET ExtractOutlineFeatures(TBLOB *Blob, LINE_STATS *LineStats);

/*---------------------------------------------------------------------------
          Privat Function Prototypes
----------------------------------------------------------------------------*/
void AddOutlineFeatureToSet(FPOINT *Start,
                            FPOINT *End,
                            FEATURE_SET FeatureSet);

void ConvertToOutlineFeatures(MFOUTLINE Outline, FEATURE_SET FeatureSet);

void NormalizeOutlineX(FEATURE_SET FeatureSet);

/**----------------------------------------------------------------------------
        Global Data Definitions and Declarations
----------------------------------------------------------------------------**/
extern FEATURE_DESC_STRUCT OutlineFeatDesc;
#endif