| /* -*-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 |