ptra.h

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/*====================================================================*
 -  Copyright (C) 2001 Leptonica.  All rights reserved.
 -
 -  Redistribution and use in source and binary forms, with or without
 -  modification, are permitted provided that the following conditions
 -  are met:
 -  1. Redistributions of source code must retain the above copyright
 -     notice, this list of conditions and the following disclaimer.
 -  2. Redistributions in binary form must reproduce the above
 -     copyright notice, this list of conditions and the following
 -     disclaimer in the documentation and/or other materials
 -     provided with the distribution.
 -
 -  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 -  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 -  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 -  A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ANY
 -  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 -  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 -  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 -  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 -  OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 -  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 -  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *====================================================================*/
 
#ifndef  LEPTONICA_PTRA_H
#define  LEPTONICA_PTRA_H
 
    /* Bound on max initial ptra size */
LEPT_DLL extern const l_uint32  MaxInitPtraSize;
 
/*------------------------------------------------------------------------*
 *                     Generic Ptr Array Structs                          *
 *------------------------------------------------------------------------*/
 
struct L_Ptra
{
    l_int32          nalloc;    
    l_int32          imax;      
    l_int32          nactual;   
    void           **array;     
};
typedef struct L_Ptra  L_PTRA;
 
 
struct L_Ptraa
{
    l_int32          nalloc;    
    struct L_Ptra  **ptra;      
};
typedef struct L_Ptraa  L_PTRAA;
 
 
 
/*------------------------------------------------------------------------*
 *          Accessor and modifier flags for L_Ptra and L_Ptraa            *
 *------------------------------------------------------------------------*/
 
enum {
    L_NO_COMPACTION = 1,        
    L_COMPACTION = 2            
};
 
enum {
    L_AUTO_DOWNSHIFT = 0,     
    L_MIN_DOWNSHIFT = 1,      
    L_FULL_DOWNSHIFT = 2      
};
 
enum {
    L_HANDLE_ONLY = 0,     
    L_REMOVE = 1           
};
 
 
#endif  /* LEPTONICA_PTRA_H */