tesseract/classify/mfdefs.h
2007-03-07 20:03:40 +00:00

68 lines
2.6 KiB
C

/******************************************************************************
** Filename: mfdefs.h
** Purpose: Definition of micro-features
** Author: Dan Johnson
** History: Mon Jan 22 08:42:13 1990, 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 MFDEFS_H
#define MFDEFS_H
/**----------------------------------------------------------------------------
Include Files and Type Defines
----------------------------------------------------------------------------**/
#include "oldlist.h"
#include "matchdefs.h"
#include "xform2d.h"
/* maximum size of a bulge for length=1 is sqrt(2)/3 */
#define BULGENORMALIZER 0.942809041
/* definition of a list of micro-features */
typedef LIST MICROFEATURES;
/* definition of structure of micro-features */
#define MFSIZE 6
typedef FLOAT32 MFBLOCK[MFSIZE];
typedef FLOAT32 *MICROFEATURE;
/* definitions of individual micro-feature parameters */
#define XPOSITION 0
#define YPOSITION 1
#define MFLENGTH 2
#define ORIENTATION 3
#define FIRSTBULGE 4
#define SECONDBULGE 5
/**----------------------------------------------------------------------------
Macros
----------------------------------------------------------------------------**/
/* macros for accessing micro-feature parameters */
#define CenterX(M) ( (M)[XPOSITION] )
#define CenterY(M) ( (M)[YPOSITION] )
#define LengthOf(M) ( (M)[MFLENGTH] )
#define OrientationOf(M) ( (M)[ORIENTATION] )
#define FirstBulgeOf(M) ( (M)[FIRSTBULGE] )
#define SecondBulgeOf(M) ( (M)[SECONDBULGE] )
/* macros for accessing micro-feature lists */
#define NextFeatureOf(L) ( (MICROFEATURE) first( L ) )
/**----------------------------------------------------------------------------
Public Function Prototypes
----------------------------------------------------------------------------**/
MICROFEATURE NewMicroFeature();
void FreeMicroFeatures(MICROFEATURES MicroFeatures);
#endif