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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_ARRAY_H
#define LEPTONICA_ARRAY_H
/*!
* \file array.h
*
* <pre>
* Contains the following structs:
* struct Numa
* struct Numaa
* struct L_Dna
* struct L_Dnaa
* struct L_DnaHash
* struct Sarray
* struct L_Bytea
*
* Contains definitions for:
* Numa interpolation flags
* Numa and FPix border flags
* Numa data type conversion to string
* </pre>
*/
/*------------------------------------------------------------------------*
* Array Structs *
*------------------------------------------------------------------------*/
/*! Numa version for serialization */
#define NUMA_VERSION_NUMBER 1
/*! Number array: an array of floats */
struct Numa
{
l_int32 nalloc; /*!< size of allocated number array */
l_int32 n; /*!< number of numbers saved */
l_int32 refcount; /*!< reference count (1 if no clones) */
l_float32 startx; /*!< x value assigned to array[0] */
l_float32 delx; /*!< change in x value as i --> i + 1 */
l_float32 *array; /*!< number array */
};
typedef struct Numa NUMA;
/*! Array of number arrays */
struct Numaa
{
l_int32 nalloc; /*!< size of allocated ptr array */
l_int32 n; /*!< number of Numa saved */
struct Numa **numa; /*!< array of Numa */
};
typedef struct Numaa NUMAA;
/*! Dna version for serialization */
#define DNA_VERSION_NUMBER 1
/*! Double number array: an array of doubles */
struct L_Dna
{
l_int32 nalloc; /*!< size of allocated number array */
l_int32 n; /*!< number of numbers saved */
l_int32 refcount; /*!< reference count (1 if no clones) */
l_float64 startx; /*!< x value assigned to array[0] */
l_float64 delx; /*!< change in x value as i --> i + 1 */
l_float64 *array; /*!< number array */
};
typedef struct L_Dna L_DNA;
/*! Array of double number arrays */
struct L_Dnaa
{
l_int32 nalloc; /*!< size of allocated ptr array */
l_int32 n; /*!< number of L_Dna saved */
struct L_Dna **dna; /*!< array of L_Dna */
};
typedef struct L_Dnaa L_DNAA;
/*! A hash table of Dnas */
struct L_DnaHash
{
l_int32 nbuckets;
l_int32 initsize; /*!< initial size of each dna that is made */
struct L_Dna **dna; /*!< array of L_Dna */
};
typedef struct L_DnaHash L_DNAHASH;
/*! Sarray version for serialization */
#define SARRAY_VERSION_NUMBER 1
/*! String array: an array of C strings */
struct Sarray
{
l_int32 nalloc; /*!< size of allocated ptr array */
l_int32 n; /*!< number of strings allocated */
l_int32 refcount; /*!< reference count (1 if no clones) */
char **array; /*!< string array */
};
typedef struct Sarray SARRAY;
/*! Byte array (analogous to C++ "string") */
struct L_Bytea
{
size_t nalloc; /*!< number of bytes allocated in data array */
size_t size; /*!< number of bytes presently used */
l_int32 refcount; /*!< reference count (1 if no clones) */
l_uint8 *data; /*!< data array */
};
typedef struct L_Bytea L_BYTEA;
/*------------------------------------------------------------------------*
* Array flags *
*------------------------------------------------------------------------*/
/*! Numa Interpolation */
enum {
L_LINEAR_INTERP = 1, /*!< linear */
L_QUADRATIC_INTERP = 2 /*!< quadratic */
};
/*! Border Adding */
enum {
L_CONTINUED_BORDER = 1, /*!< extended with same value */
L_SLOPE_BORDER = 2, /*!< extended with constant normal derivative */
L_MIRRORED_BORDER = 3 /*!< mirrored */
};
/*! Numa Data Conversion */
enum {
L_INTEGER_VALUE = 1, /*!< convert to integer */
L_FLOAT_VALUE = 2 /*!< convert to float */
};
#endif /* LEPTONICA_ARRAY_H */
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