tesseract/cutil/structures.h
2007-03-07 20:03:40 +00:00

113 lines
4.0 KiB
C

/* -*-C-*-
********************************************************************************
*
* File: structures.h (Formerly structures.h)
* Description: Allocate all the different types of structures.
* Author: Mark Seaman, OCR Technology
* Created: Wed May 30 10:12:12 1990
* Modified: Tue May 21 11:07:47 1991 (Mark Seaman) marks@hpgrlt
* Language: C
* Package: N/A
* Status: Experimental (Do Not Distribute)
*
* (c) Copyright 1990, Hewlett-Packard Company.
** 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 STRUCTURES_H
#define STRUCTURES_H
/*----------------------------------------------------------------------
I n c l u d e s
----------------------------------------------------------------------*/
#include "tessclas.h"
#include "oldlist.h"
#include "freelist.h"
#include "danerror.h"
#define NUM_DATA_TYPES 20
extern int max_data_types;
extern void_void memory_print_functions[NUM_DATA_TYPES];
/*----------------------------------------------------------------------
M a c r o s
----------------------------------------------------------------------*/
/**********************************************************************
* makestructure
*
* Allocate a chunk of memory for a particular data type. This macro
* defines an allocation, deallocation, and status printing function
* for each new data type.
**********************************************************************/
#define makestructure(newfunc,old,print,type,nextfree,blocksize,typestring,usecount) \
type *newfunc() \
{ \
return new type; \
} \
\
\
\
void old(type* deadelement) \
{ \
delete deadelement; \
} \
/**********************************************************************
* newstructure
*
* Allocate a chunk of memory for a particular data type.
**********************************************************************/
#define newstructure(name,type,nextfree,blocksize,errorstring,usecount)\
type *name() /*returns a new type*/\
{\
return new type;\
}
/**********************************************************************
* oldstructure
*
* Returns a structure to the freelist
**********************************************************************/
#define oldstructure(name,type,nextfree,stringtype,usecount)\
\
type *name(type* deadelement)\
{\
type *returnelement; /*return next ptr*/\
\
returnelement=deadelement->next; /*return link*/\
delete deadelement; \
return returnelement;\
}
/*----------------------------------------------------------------------
F u n c t i o n s
----------------------------------------------------------------------*/
extern TBLOB *newblob();
extern TBLOB *oldblob(TBLOB *);
extern TESSLINE *newoutline();
extern void oldoutline(TESSLINE *);
extern EDGEPT *newedgept();
extern EDGEPT *oldedgept(EDGEPT *);
extern TWERD *newword();
extern void oldword(TWERD *);
extern LIST new_cell();
extern void free_cell(LIST);
#endif