tesseract/include/array.h
theraysmith 530fa19672 Changes to include for 3.00
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@295 d0cd1f9f-072b-0410-8dd7-cf729c803f20
2009-07-11 02:24:22 +00:00

108 lines
3.7 KiB
C
Executable File

/*====================================================================*
- Copyright (C) 2001 Leptonica. All rights reserved.
- This software is distributed in the hope that it will be
- useful, but with NO WARRANTY OF ANY KIND.
- No author or distributor accepts responsibility to anyone for the
- consequences of using this software, or for whether it serves any
- particular purpose or works at all, unless he or she says so in
- writing. Everyone is granted permission to copy, modify and
- redistribute this source code, for commercial or non-commercial
- purposes, with the following restrictions: (1) the origin of this
- source code must not be misrepresented; (2) modified versions must
- be plainly marked as such; and (3) this notice may not be removed
- or altered from any source or modified source distribution.
*====================================================================*/
#ifndef LEPTONICA_ARRAY_H
#define LEPTONICA_ARRAY_H
/*
* Contains the following structs:
* struct Numa
* struct Numaa
* struct Numa2d
* struct NumaHash
* struct Sarray
*
* Contains definitions for:
* Numa interpolation flags
*/
/*------------------------------------------------------------------------*
* Array Structs *
*------------------------------------------------------------------------*/
#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;
/* Sparse 2-dimensional array of number arrays */
struct Numa2d
{
l_int32 nrows; /* number of rows allocated for ptr array */
l_int32 ncols; /* number of cols allocated for ptr array */
l_int32 initsize; /* initial size of each numa that is made */
struct Numa ***numa; /* 2D array of Numa */
};
typedef struct Numa2d NUMA2D;
/* A hash table of Numas */
struct NumaHash
{
l_int32 nbuckets;
l_int32 initsize; /* initial size of each numa that is made */
struct Numa **numa;
};
typedef struct NumaHash NUMAHASH;
#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;
/*------------------------------------------------------------------------*
* Array flags *
*------------------------------------------------------------------------*/
/* Flags for interpolation in Numa */
enum {
L_LINEAR_INTERP = 1, /* linear */
L_QUADRATIC_INTERP = 2 /* quadratic */
};
#endif /* LEPTONICA_ARRAY_H */