topical media & game development
lib-of-vs-addons-ofxOpenCv-libs-opencv-include-cxtypes.h / h
/*M/////////////////////////////////////////////////////////////////////////////////
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// For Open Source Computer Vision Library
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ifndef _CXCORE_TYPES_H_
define _CXCORE_TYPES_H_
if !defined _CRT_SECURE_NO_DEPRECATE && _MSC_VER > 1300
define _CRT_SECURE_NO_DEPRECATE /* to avoid multiple Visual Studio 2005 warnings */
endif
ifndef SKIP_INCLUDES
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <float.h>
#if defined __ICL
#define CV_ICC __ICL
#elif defined __ICC
#define CV_ICC __ICC
#elif defined __ECL
#define CV_ICC __ECL
#elif defined __ECC
#define CV_ICC __ECC
#endif
#if defined WIN32 && (!defined WIN64 || defined EM64T) && \
(_MSC_VER >= 1400 || defined CV_ICC) \
|| (defined __SSE2__ && defined __GNUC__ && __GNUC__ >= 4)
#include <emmintrin.h>
#define CV_SSE2 1
#else
#define CV_SSE2 0
#endif
#if defined __BORLANDC__
#include <fastmath.h>
#elif defined WIN64 && !defined EM64T && defined CV_ICC
#include <mathimf.h>
#else
#include <math.h>
#endif
#ifdef HAVE_IPL
#ifndef __IPL_H__
#if defined WIN32 || defined WIN64
#include <ipl.h>
#else
#include <ipl/ipl.h>
#endif
#endif
#elif defined __IPL_H__
#define HAVE_IPL
#endif
endif // SKIP_INCLUDES
if defined WIN32 || defined WIN64
#define CV_CDECL __cdecl
#define CV_STDCALL __stdcall
else
#define CV_CDECL
#define CV_STDCALL
endif
ifndef CV_EXTERN_C
#ifdef __cplusplus
#define CV_EXTERN_C extern "C"
#define CV_DEFAULT(val) = val
#else
#define CV_EXTERN_C
#define CV_DEFAULT(val)
#endif
endif
ifndef CV_EXTERN_C_FUNCPTR
#ifdef __cplusplus
#define CV_EXTERN_C_FUNCPTR(x) extern "C" { typedef x; }
#else
#define CV_EXTERN_C_FUNCPTR(x) typedef x
#endif
endif
ifndef CV_INLINE
if defined __cplusplus
#define CV_INLINE inline
#elif (defined WIN32 || defined WIN64) && !defined __GNUC__
#define CV_INLINE __inline
else
#define CV_INLINE static
endif
endif /* CV_INLINE */
if (defined WIN32 || defined WIN64) && defined CVAPI_EXPORTS
#define CV_EXPORTS __declspec(dllexport)
else
#define CV_EXPORTS
endif
ifndef CVAPI
#define CVAPI(rettype) CV_EXTERN_C CV_EXPORTS rettype CV_CDECL
endif
if defined _MSC_VER || defined __BORLANDC__
typedef __int64 int64;
typedef unsigned __int64 uint64;
else
typedef long long int64;
typedef unsigned long long uint64;
endif
ifndef HAVE_IPL
typedef unsigned char uchar;
typedef unsigned short ushort;
endif
typedef signed char schar;
/* CvArr* is used to pass arbitrary
* array-like data structures
* into functions where the particular
* array type is recognized at runtime:
*/
typedef void CvArr;
typedef union Cv32suf
{
int i;
unsigned u;
float f;
}
Cv32suf;
typedef union Cv64suf
{
int64 i;
uint64 u;
double f;
}
Cv64suf;
**************************************************************************************\
Common macros and inline functions *
\***************************************************************************************
define CV_PI 3.1415926535897932384626433832795
define CV_LOG2 0.69314718055994530941723212145818
define CV_SWAP(a,b,t) ((t) = (a), (a) = (b), (b) = (t))
ifndef MIN
define MIN(a,b) ((a) > (b) ? (b) : (a))
endif
ifndef MAX
define MAX(a,b) ((a) < (b) ? (b) : (a))
endif
/* min & max without jumps */
define CV_IMIN(a, b) ((a) ^ (((a)^(b)) & (((a) < (b)) - 1)))
define CV_IMAX(a, b) ((a) ^ (((a)^(b)) & (((a) > (b)) - 1)))
/* absolute value without jumps */
ifndef __cplusplus
define CV_IABS(a) (((a) ^ ((a) < 0 ? -1 : 0)) - ((a) < 0 ? -1 : 0))
else
define CV_IABS(a) abs(a)
endif
define CV_CMP(a,b) (((a) > (b)) - ((a) < (b)))
define CV_SIGN(a) CV_CMP((a),0)
CV_INLINE int cvRound( double value )
{
if CV_SSE2
__m128d t = _mm_load_sd( &value );
return _mm_cvtsd_si32(t);
#elif defined WIN32 && !defined WIN64 && defined _MSC_VER
int t;
__asm
{
fld value;
fistp t;
}
return t;
#elif (defined HAVE_LRINT) || (defined WIN64 && !defined EM64T && defined CV_ICC)
return (int)lrint(value);
else
/*
the algorithm was taken from Agner Fog's optimization guide
at http://www.agner.org/assem
*/
Cv64suf temp;
temp.f = value + 6755399441055744.0;
return (int)temp.u;
endif
}
CV_INLINE int cvFloor( double value )
{
if CV_SSE2
__m128d t = _mm_load_sd( &value );
int i = _mm_cvtsd_si32(t);
return i - _mm_movemask_pd(_mm_cmplt_sd(t,_mm_cvtsi32_sd(t,i)));
else
int temp = cvRound(value);
Cv32suf diff;
diff.f = (float)(value - temp);
return temp - (diff.i < 0);
endif
}
CV_INLINE int cvCeil( double value )
{
if CV_SSE2
__m128d t = _mm_load_sd( &value );
int i = _mm_cvtsd_si32(t);
return i + _mm_movemask_pd(_mm_cmplt_sd(_mm_cvtsi32_sd(t,i),t));
else
int temp = cvRound(value);
Cv32suf diff;
diff.f = (float)(temp - value);
return temp + (diff.i < 0);
endif
}
define cvInvSqrt(value) ((float)(1./sqrt(value)))
define cvSqrt(value) ((float)sqrt(value))
CV_INLINE int cvIsNaN( double value )
{
if 1/*defined _MSC_VER || defined __BORLANDC__
return _isnan(value);
#elif defined __GNUC__
return isnan(value);
else*/
Cv64suf ieee754;
ieee754.f = value;
return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) +
((unsigned)ieee754.u != 0) > 0x7ff00000;
endif
}
CV_INLINE int cvIsInf( double value )
{
if 1/*defined _MSC_VER || defined __BORLANDC__
return !_finite(value);
#elif defined __GNUC__
return isinf(value);
else*/
Cv64suf ieee754;
ieee754.f = value;
return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) == 0x7ff00000 &&
(unsigned)ieee754.u == 0;
endif
}
************* Random number generation ******************
typedef uint64 CvRNG;
CV_INLINE CvRNG cvRNG( int64 seed CV_DEFAULT(-1))
{
CvRNG rng = seed ? (uint64)seed : (uint64)(int64)-1;
return rng;
}
/* Return random 32-bit unsigned integer: */
CV_INLINE unsigned cvRandInt( CvRNG* rng )
{
uint64 temp = *rng;
temp = (uint64)(unsigned)temp*1554115554 + (temp >> 32);
*rng = temp;
return (unsigned)temp;
}
/* Returns random floating-point number between 0 and 1: */
CV_INLINE double cvRandReal( CvRNG* rng )
{
return cvRandInt(rng)*2.3283064365386962890625e-10 /* 2^-32 */;
}
**************************************************************************************\
Image type (IplImage) *
\***************************************************************************************
ifndef HAVE_IPL
/*
* The following definitions (until #endif)
* is an extract from IPL headers.
* Copyright (c) 1995 Intel Corporation.
*/
define IPL_DEPTH_SIGN 0x80000000
define IPL_DEPTH_1U 1
define IPL_DEPTH_8U 8
define IPL_DEPTH_16U 16
define IPL_DEPTH_32F 32
define IPL_DEPTH_8S (IPL_DEPTH_SIGN| 8)
define IPL_DEPTH_16S (IPL_DEPTH_SIGN|16)
define IPL_DEPTH_32S (IPL_DEPTH_SIGN|32)
define IPL_DATA_ORDER_PIXEL 0
define IPL_DATA_ORDER_PLANE 1
define IPL_ORIGIN_TL 0
define IPL_ORIGIN_BL 1
define IPL_ALIGN_4BYTES 4
define IPL_ALIGN_8BYTES 8
define IPL_ALIGN_16BYTES 16
define IPL_ALIGN_32BYTES 32
define IPL_ALIGN_DWORD IPL_ALIGN_4BYTES
define IPL_ALIGN_QWORD IPL_ALIGN_8BYTES
define IPL_BORDER_CONSTANT 0
define IPL_BORDER_REPLICATE 1
define IPL_BORDER_REFLECT 2
define IPL_BORDER_WRAP 3
typedef struct _IplImage
{
int nSize; /* sizeof(IplImage) */
int ID; /* version (=0)*/
int nChannels; /* Most of OpenCV functions support 1,2,3 or 4 channels */
int alphaChannel; /* Ignored by OpenCV */
int depth; /* Pixel depth in bits: IPL_DEPTH_8U, IPL_DEPTH_8S, IPL_DEPTH_16S,
IPL_DEPTH_32S, IPL_DEPTH_32F and IPL_DEPTH_64F are supported. */
char colorModel[4]; /* Ignored by OpenCV */
char channelSeq[4]; /* ditto */
int dataOrder; /* 0 - interleaved color channels, 1 - separate color channels.
cvCreateImage can only create interleaved images */
int origin; /* 0 - top-left origin,
1 - bottom-left origin (Windows bitmaps style). */
int align; /* Alignment of image rows (4 or 8).
OpenCV ignores it and uses widthStep instead. */
int width; /* Image width in pixels. */
int height; /* Image height in pixels. */
struct _IplROI *roi; /* Image ROI. If NULL, the whole image is selected. */
struct _IplImage *maskROI; /* Must be NULL. */
void *imageId; /* " " */
struct _IplTileInfo *tileInfo; /* " " */
int imageSize; /* Image data size in bytes
(==image->height*image->widthStep
in case of interleaved data)*/
char *imageData; /* Pointer to aligned image data. */
int widthStep; /* Size of aligned image row in bytes. */
int BorderMode[4]; /* Ignored by OpenCV. */
int BorderConst[4]; /* Ditto. */
char *imageDataOrigin; /* Pointer to very origin of image data
(not necessarily aligned) -
needed for correct deallocation */
}
IplImage;
typedef struct _IplTileInfo IplTileInfo;
typedef struct _IplROI
{
int coi; /* 0 - no COI (all channels are selected), 1 - 0th channel is selected ...*/
int xOffset;
int yOffset;
int width;
int height;
}
IplROI;
typedef struct _IplConvKernel
{
int nCols;
int nRows;
int anchorX;
int anchorY;
int *values;
int nShiftR;
}
IplConvKernel;
typedef struct _IplConvKernelFP
{
int nCols;
int nRows;
int anchorX;
int anchorY;
float *values;
}
IplConvKernelFP;
define IPL_IMAGE_HEADER 1
define IPL_IMAGE_DATA 2
define IPL_IMAGE_ROI 4
endif/*HAVE_IPL*/
/* extra border mode */
define IPL_BORDER_REFLECT_101 4
define IPL_IMAGE_MAGIC_VAL ((int)sizeof(IplImage))
define CV_TYPE_NAME_IMAGE "opencv-image"
define CV_IS_IMAGE_HDR(img) \
((img) != NULL && ((const IplImage*)(img))->nSize == sizeof(IplImage))
define CV_IS_IMAGE(img) \
(CV_IS_IMAGE_HDR(img) && ((IplImage*)img)->imageData != NULL)
/* for storing double-precision
floating point data in IplImage's */
define IPL_DEPTH_64F 64
/* get reference to pixel at (col,row),
for multi-channel images (col) should be multiplied by number of channels */
define CV_IMAGE_ELEM( image, elemtype, row, col ) \
(((elemtype*)((image)->imageData + (image)->widthStep*(row)))[(col)])
**************************************************************************************\
Matrix type (CvMat) *
\***************************************************************************************
define CV_CN_MAX 64
define CV_CN_SHIFT 3
define CV_DEPTH_MAX (1 << CV_CN_SHIFT)
define CV_8U 0
define CV_8S 1
define CV_16U 2
define CV_16S 3
define CV_32S 4
define CV_32F 5
define CV_64F 6
define CV_USRTYPE1 7
define CV_MAKETYPE(depth,cn) ((depth) + (((cn)-1) << CV_CN_SHIFT))
define CV_MAKE_TYPE CV_MAKETYPE
define CV_8UC1 CV_MAKETYPE(CV_8U,1)
define CV_8UC2 CV_MAKETYPE(CV_8U,2)
define CV_8UC3 CV_MAKETYPE(CV_8U,3)
define CV_8UC4 CV_MAKETYPE(CV_8U,4)
define CV_8UC(n) CV_MAKETYPE(CV_8U,(n))
define CV_8SC1 CV_MAKETYPE(CV_8S,1)
define CV_8SC2 CV_MAKETYPE(CV_8S,2)
define CV_8SC3 CV_MAKETYPE(CV_8S,3)
define CV_8SC4 CV_MAKETYPE(CV_8S,4)
define CV_8SC(n) CV_MAKETYPE(CV_8S,(n))
define CV_16UC1 CV_MAKETYPE(CV_16U,1)
define CV_16UC2 CV_MAKETYPE(CV_16U,2)
define CV_16UC3 CV_MAKETYPE(CV_16U,3)
define CV_16UC4 CV_MAKETYPE(CV_16U,4)
define CV_16UC(n) CV_MAKETYPE(CV_16U,(n))
define CV_16SC1 CV_MAKETYPE(CV_16S,1)
define CV_16SC2 CV_MAKETYPE(CV_16S,2)
define CV_16SC3 CV_MAKETYPE(CV_16S,3)
define CV_16SC4 CV_MAKETYPE(CV_16S,4)
define CV_16SC(n) CV_MAKETYPE(CV_16S,(n))
define CV_32SC1 CV_MAKETYPE(CV_32S,1)
define CV_32SC2 CV_MAKETYPE(CV_32S,2)
define CV_32SC3 CV_MAKETYPE(CV_32S,3)
define CV_32SC4 CV_MAKETYPE(CV_32S,4)
define CV_32SC(n) CV_MAKETYPE(CV_32S,(n))
define CV_32FC1 CV_MAKETYPE(CV_32F,1)
define CV_32FC2 CV_MAKETYPE(CV_32F,2)
define CV_32FC3 CV_MAKETYPE(CV_32F,3)
define CV_32FC4 CV_MAKETYPE(CV_32F,4)
define CV_32FC(n) CV_MAKETYPE(CV_32F,(n))
define CV_64FC1 CV_MAKETYPE(CV_64F,1)
define CV_64FC2 CV_MAKETYPE(CV_64F,2)
define CV_64FC3 CV_MAKETYPE(CV_64F,3)
define CV_64FC4 CV_MAKETYPE(CV_64F,4)
define CV_64FC(n) CV_MAKETYPE(CV_64F,(n))
define CV_AUTO_STEP 0x7fffffff
define CV_WHOLE_ARR cvSlice( 0, 0x3fffffff )
define CV_MAT_CN_MASK ((CV_CN_MAX - 1) << CV_CN_SHIFT)
define CV_MAT_CN(flags) ((((flags) & CV_MAT_CN_MASK) >> CV_CN_SHIFT) + 1)
define CV_MAT_DEPTH_MASK (CV_DEPTH_MAX - 1)
define CV_MAT_DEPTH(flags) ((flags) & CV_MAT_DEPTH_MASK)
define CV_MAT_TYPE_MASK (CV_DEPTH_MAX*CV_CN_MAX - 1)
define CV_MAT_TYPE(flags) ((flags) & CV_MAT_TYPE_MASK)
define CV_MAT_CONT_FLAG_SHIFT 14
define CV_MAT_CONT_FLAG (1 << CV_MAT_CONT_FLAG_SHIFT)
define CV_IS_MAT_CONT(flags) ((flags) & CV_MAT_CONT_FLAG)
define CV_IS_CONT_MAT CV_IS_MAT_CONT
define CV_MAT_TEMP_FLAG_SHIFT 15
define CV_MAT_TEMP_FLAG (1 << CV_MAT_TEMP_FLAG_SHIFT)
define CV_IS_TEMP_MAT(flags) ((flags) & CV_MAT_TEMP_FLAG)
define CV_MAGIC_MASK 0xFFFF0000
define CV_MAT_MAGIC_VAL 0x42420000
define CV_TYPE_NAME_MAT "opencv-matrix"
typedef struct CvMat
{
int type;
int step;
/* for internal use only */
int* refcount;
int hdr_refcount;
union
{
uchar* ptr;
short* s;
int* i;
float* fl;
double* db;
} data;
ifdef __cplusplus
union
{
int rows;
int height;
};
union
{
int cols;
int width;
};
else
int rows;
int cols;
endif
}
CvMat;
define CV_IS_MAT_HDR(mat) \
((mat) != NULL && \
(((const CvMat*)(mat))->type & CV_MAGIC_MASK) == CV_MAT_MAGIC_VAL && \
((const CvMat*)(mat))->cols > 0 && ((const CvMat*)(mat))->rows > 0)
define CV_IS_MAT(mat) \
(CV_IS_MAT_HDR(mat) && ((const CvMat*)(mat))->data.ptr != NULL)
define CV_IS_MASK_ARR(mat) \
(((mat)->type & (CV_MAT_TYPE_MASK & ~CV_8SC1)) == 0)
define CV_ARE_TYPES_EQ(mat1, mat2) \
((((mat1)->type ^ (mat2)->type) & CV_MAT_TYPE_MASK) == 0)
define CV_ARE_CNS_EQ(mat1, mat2) \
((((mat1)->type ^ (mat2)->type) & CV_MAT_CN_MASK) == 0)
define CV_ARE_DEPTHS_EQ(mat1, mat2) \
((((mat1)->type ^ (mat2)->type) & CV_MAT_DEPTH_MASK) == 0)
define CV_ARE_SIZES_EQ(mat1, mat2) \
((mat1)->rows == (mat2)->rows && (mat1)->cols == (mat2)->cols)
define CV_IS_MAT_CONST(mat) \
(((mat)->rows|(mat)->cols) == 1)
/* Size of each channel item,
0x124489 = 1000 0100 0100 0010 0010 0001 0001 ~ array of sizeof(arr_type_elem) */
define CV_ELEM_SIZE1(type) \
((((sizeof(size_t)<<28)|0x8442211) >> CV_MAT_DEPTH(type)*4) & 15)
/* 0x3a50 = 11 10 10 01 01 00 00 ~ array of log2(sizeof(arr_type_elem)) */
define CV_ELEM_SIZE(type) \
(CV_MAT_CN(type) << ((((sizeof(size_t)/4+1)*16384|0x3a50) >> CV_MAT_DEPTH(type)*2) & 3))
/* Inline constructor. No data is allocated internally!!!
* (Use together with cvCreateData, or use cvCreateMat instead to
* get a matrix with allocated data):
*/
CV_INLINE CvMat cvMat( int rows, int cols, int type, void* data CV_DEFAULT(NULL))
{
CvMat m;
assert( (unsigned)CV_MAT_DEPTH(type) <= CV_64F );
type = CV_MAT_TYPE(type);
m.type = CV_MAT_MAGIC_VAL | CV_MAT_CONT_FLAG | type;
m.cols = cols;
m.rows = rows;
m.step = rows > 1 ? m.cols*CV_ELEM_SIZE(type) : 0;
m.data.ptr = (uchar*)data;
m.refcount = NULL;
m.hdr_refcount = 0;
return m;
}
define CV_MAT_ELEM_PTR_FAST( mat, row, col, pix_size ) \
(assert( (unsigned)(row) < (unsigned)(mat).rows && \
(unsigned)(col) < (unsigned)(mat).cols ), \
(mat).data.ptr + (size_t)(mat).step*(row) + (pix_size)*(col))
define CV_MAT_ELEM_PTR( mat, row, col ) \
CV_MAT_ELEM_PTR_FAST( mat, row, col, CV_ELEM_SIZE((mat).type) )
define CV_MAT_ELEM( mat, elemtype, row, col ) \
(*(elemtype*)CV_MAT_ELEM_PTR_FAST( mat, row, col, sizeof(elemtype)))
CV_INLINE double cvmGet( const CvMat* mat, int row, int col )
{
int type;
type = CV_MAT_TYPE(mat->type);
assert( (unsigned)row < (unsigned)mat->rows &&
(unsigned)col < (unsigned)mat->cols );
if( type == CV_32FC1 )
return ((float*)(mat->data.ptr + (size_t)mat->step*row))[col];
else
{
assert( type == CV_64FC1 );
return ((double*)(mat->data.ptr + (size_t)mat->step*row))[col];
}
}
CV_INLINE void cvmSet( CvMat* mat, int row, int col, double value )
{
int type;
type = CV_MAT_TYPE(mat->type);
assert( (unsigned)row < (unsigned)mat->rows &&
(unsigned)col < (unsigned)mat->cols );
if( type == CV_32FC1 )
((float*)(mat->data.ptr + (size_t)mat->step*row))[col] = (float)value;
else
{
assert( type == CV_64FC1 );
((double*)(mat->data.ptr + (size_t)mat->step*row))[col] = (double)value;
}
}
CV_INLINE int cvCvToIplDepth( int type )
{
int depth = CV_MAT_DEPTH(type);
return CV_ELEM_SIZE1(depth)*8 | (depth == CV_8S || depth == CV_16S ||
depth == CV_32S ? IPL_DEPTH_SIGN : 0);
}
**************************************************************************************\
Multi-dimensional dense array (CvMatND) *
\***************************************************************************************
define CV_MATND_MAGIC_VAL 0x42430000
define CV_TYPE_NAME_MATND "opencv-nd-matrix"
define CV_MAX_DIM 32
define CV_MAX_DIM_HEAP (1 << 16)
typedef struct CvMatND
{
int type;
int dims;
int* refcount;
int hdr_refcount;
union
{
uchar* ptr;
float* fl;
double* db;
int* i;
short* s;
} data;
struct
{
int size;
int step;
}
dim[CV_MAX_DIM];
}
CvMatND;
define CV_IS_MATND_HDR(mat) \
((mat) != NULL && (((const CvMatND*)(mat))->type & CV_MAGIC_MASK) == CV_MATND_MAGIC_VAL)
define CV_IS_MATND(mat) \
(CV_IS_MATND_HDR(mat) && ((const CvMatND*)(mat))->data.ptr != NULL)
**************************************************************************************\
Multi-dimensional sparse array (CvSparseMat) *
\***************************************************************************************
define CV_SPARSE_MAT_MAGIC_VAL 0x42440000
define CV_TYPE_NAME_SPARSE_MAT "opencv-sparse-matrix"
struct CvSet;
typedef struct CvSparseMat
{
int type;
int dims;
int* refcount;
int hdr_refcount;
struct CvSet* heap;
void** hashtable;
int hashsize;
int valoffset;
int idxoffset;
int size[CV_MAX_DIM];
}
CvSparseMat;
define CV_IS_SPARSE_MAT_HDR(mat) \
((mat) != NULL && \
(((const CvSparseMat*)(mat))->type & CV_MAGIC_MASK) == CV_SPARSE_MAT_MAGIC_VAL)
define CV_IS_SPARSE_MAT(mat) \
CV_IS_SPARSE_MAT_HDR(mat)
************** iteration through a sparse array ****************
typedef struct CvSparseNode
{
unsigned hashval;
struct CvSparseNode* next;
}
CvSparseNode;
typedef struct CvSparseMatIterator
{
CvSparseMat* mat;
CvSparseNode* node;
int curidx;
}
CvSparseMatIterator;
define CV_NODE_VAL(mat,node) ((void*)((uchar*)(node) + (mat)->valoffset))
define CV_NODE_IDX(mat,node) ((int*)((uchar*)(node) + (mat)->idxoffset))
**************************************************************************************\
Histogram *
\***************************************************************************************
typedef int CvHistType;
define CV_HIST_MAGIC_VAL 0x42450000
define CV_HIST_UNIFORM_FLAG (1 << 10)
/* indicates whether bin ranges are set already or not */
define CV_HIST_RANGES_FLAG (1 << 11)
define CV_HIST_ARRAY 0
define CV_HIST_SPARSE 1
define CV_HIST_TREE CV_HIST_SPARSE
/* should be used as a parameter only,
it turns to CV_HIST_UNIFORM_FLAG of hist->type */
define CV_HIST_UNIFORM 1
typedef struct CvHistogram
{
int type;
CvArr* bins;
float thresh[CV_MAX_DIM][2]; /* For uniform histograms. */
float** thresh2; /* For non-uniform histograms. */
CvMatND mat; /* Embedded matrix header for array histograms. */
}
CvHistogram;
define CV_IS_HIST( hist ) \
((hist) != NULL && \
(((CvHistogram*)(hist))->type & CV_MAGIC_MASK) == CV_HIST_MAGIC_VAL && \
(hist)->bins != NULL)
define CV_IS_UNIFORM_HIST( hist ) \
(((hist)->type & CV_HIST_UNIFORM_FLAG) != 0)
define CV_IS_SPARSE_HIST( hist ) \
CV_IS_SPARSE_MAT((hist)->bins)
define CV_HIST_HAS_RANGES( hist ) \
(((hist)->type & CV_HIST_RANGES_FLAG) != 0)
**************************************************************************************\
Other supplementary data type definitions *
\***************************************************************************************
************************************* CvRect ****************************************
typedef struct CvRect
{
int x;
int y;
int width;
int height;
}
CvRect;
CV_INLINE CvRect cvRect( int x, int y, int width, int height )
{
CvRect r;
r.x = x;
r.y = y;
r.width = width;
r.height = height;
return r;
}
CV_INLINE IplROI cvRectToROI( CvRect rect, int coi )
{
IplROI roi;
roi.xOffset = rect.x;
roi.yOffset = rect.y;
roi.width = rect.width;
roi.height = rect.height;
roi.coi = coi;
return roi;
}
CV_INLINE CvRect cvROIToRect( IplROI roi )
{
return cvRect( roi.xOffset, roi.yOffset, roi.width, roi.height );
}
********************************* CvTermCriteria ************************************
define CV_TERMCRIT_ITER 1
define CV_TERMCRIT_NUMBER CV_TERMCRIT_ITER
define CV_TERMCRIT_EPS 2
typedef struct CvTermCriteria
{
int type; /* may be combination of
CV_TERMCRIT_ITER
CV_TERMCRIT_EPS */
int max_iter;
double epsilon;
}
CvTermCriteria;
CV_INLINE CvTermCriteria cvTermCriteria( int type, int max_iter, double epsilon )
{
CvTermCriteria t;
t.type = type;
t.max_iter = max_iter;
t.epsilon = (float)epsilon;
return t;
}
***************************** CvPoint and variants **********************************
typedef struct CvPoint
{
int x;
int y;
}
CvPoint;
CV_INLINE CvPoint cvPoint( int x, int y )
{
CvPoint p;
p.x = x;
p.y = y;
return p;
}
typedef struct CvPoint2D32f
{
float x;
float y;
}
CvPoint2D32f;
CV_INLINE CvPoint2D32f cvPoint2D32f( double x, double y )
{
CvPoint2D32f p;
p.x = (float)x;
p.y = (float)y;
return p;
}
CV_INLINE CvPoint2D32f cvPointTo32f( CvPoint point )
{
return cvPoint2D32f( (float)point.x, (float)point.y );
}
CV_INLINE CvPoint cvPointFrom32f( CvPoint2D32f point )
{
CvPoint ipt;
ipt.x = cvRound(point.x);
ipt.y = cvRound(point.y);
return ipt;
}
typedef struct CvPoint3D32f
{
float x;
float y;
float z;
}
CvPoint3D32f;
CV_INLINE CvPoint3D32f cvPoint3D32f( double x, double y, double z )
{
CvPoint3D32f p;
p.x = (float)x;
p.y = (float)y;
p.z = (float)z;
return p;
}
typedef struct CvPoint2D64f
{
double x;
double y;
}
CvPoint2D64f;
CV_INLINE CvPoint2D64f cvPoint2D64f( double x, double y )
{
CvPoint2D64f p;
p.x = x;
p.y = y;
return p;
}
typedef struct CvPoint3D64f
{
double x;
double y;
double z;
}
CvPoint3D64f;
CV_INLINE CvPoint3D64f cvPoint3D64f( double x, double y, double z )
{
CvPoint3D64f p;
p.x = x;
p.y = y;
p.z = z;
return p;
}
****************************** CvSize's & CvBox *************************************
typedef struct
{
int width;
int height;
}
CvSize;
CV_INLINE CvSize cvSize( int width, int height )
{
CvSize s;
s.width = width;
s.height = height;
return s;
}
typedef struct CvSize2D32f
{
float width;
float height;
}
CvSize2D32f;
CV_INLINE CvSize2D32f cvSize2D32f( double width, double height )
{
CvSize2D32f s;
s.width = (float)width;
s.height = (float)height;
return s;
}
typedef struct CvBox2D
{
CvPoint2D32f center; /* Center of the box. */
CvSize2D32f size; /* Box width and length. */
float angle; /* Angle between the horizontal axis */
/* and the first side (i.e. length) in degrees */
}
CvBox2D;
/* Line iterator state: */
typedef struct CvLineIterator
{
/* Pointer to the current point: */
uchar* ptr;
/* Bresenham algorithm state: */
int err;
int plus_delta;
int minus_delta;
int plus_step;
int minus_step;
}
CvLineIterator;
*********************************** CvSlice *****************************************
typedef struct CvSlice
{
int start_index, end_index;
}
CvSlice;
CV_INLINE CvSlice cvSlice( int start, int end )
{
CvSlice slice;
slice.start_index = start;
slice.end_index = end;
return slice;
}
define CV_WHOLE_SEQ_END_INDEX 0x3fffffff
define CV_WHOLE_SEQ cvSlice(0, CV_WHOLE_SEQ_END_INDEX)
*********************************** CvScalar ****************************************
typedef struct CvScalar
{
double val[4];
}
CvScalar;
CV_INLINE CvScalar cvScalar( double val0, double val1 CV_DEFAULT(0),
double val2 CV_DEFAULT(0), double val3 CV_DEFAULT(0))
{
CvScalar scalar;
scalar.val[0] = val0; scalar.val[1] = val1;
scalar.val[2] = val2; scalar.val[3] = val3;
return scalar;
}
CV_INLINE CvScalar cvRealScalar( double val0 )
{
CvScalar scalar;
scalar.val[0] = val0;
scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
return scalar;
}
CV_INLINE CvScalar cvScalarAll( double val0123 )
{
CvScalar scalar;
scalar.val[0] = val0123;
scalar.val[1] = val0123;
scalar.val[2] = val0123;
scalar.val[3] = val0123;
return scalar;
}
**************************************************************************************\
Dynamic Data structures *
\***************************************************************************************
****************************** Memory storage ***************************************
typedef struct CvMemBlock
{
struct CvMemBlock* prev;
struct CvMemBlock* next;
}
CvMemBlock;
define CV_STORAGE_MAGIC_VAL 0x42890000
typedef struct CvMemStorage
{
int signature;
CvMemBlock* bottom; /* First allocated block. */
CvMemBlock* top; /* Current memory block - top of the stack. */
struct CvMemStorage* parent; /* We get new blocks from parent as needed. */
int block_size; /* Block size. */
int free_space; /* Remaining free space in current block. */
}
CvMemStorage;
define CV_IS_STORAGE(storage) \
((storage) != NULL && \
(((CvMemStorage*)(storage))->signature & CV_MAGIC_MASK) == CV_STORAGE_MAGIC_VAL)
typedef struct CvMemStoragePos
{
CvMemBlock* top;
int free_space;
}
CvMemStoragePos;
********************************* Sequence ******************************************
typedef struct CvSeqBlock
{
struct CvSeqBlock* prev; /* Previous sequence block. */
struct CvSeqBlock* next; /* Next sequence block. */
int start_index; /* Index of the first element in the block + */
/* sequence->first->start_index. */
int count; /* Number of elements in the block. */
schar* data; /* Pointer to the first element of the block. */
}
CvSeqBlock;
define CV_TREE_NODE_FIELDS(node_type) \
int flags; /* Miscellaneous flags. */ \
int header_size; /* Size of sequence header. */ \
struct node_type* h_prev; /* Previous sequence. */ \
struct node_type* h_next; /* Next sequence. */ \
struct node_type* v_prev; /* 2nd previous sequence. */ \
struct node_type* v_next /* 2nd next sequence. */
/*
Read/Write sequence.
Elements can be dynamically inserted to or deleted from the sequence.
*/
define CV_SEQUENCE_FIELDS() \
CV_TREE_NODE_FIELDS(CvSeq); \
int total; /* Total number of elements. */ \
int elem_size; /* Size of sequence element in bytes. */ \
schar* block_max; /* Maximal bound of the last block. */ \
schar* ptr; /* Current write pointer. */ \
int delta_elems; /* Grow seq this many at a time. */ \
CvMemStorage* storage; /* Where the seq is stored. */ \
CvSeqBlock* free_blocks; /* Free blocks list. */ \
CvSeqBlock* first; /* Pointer to the first sequence block. */
typedef struct CvSeq
{
CV_SEQUENCE_FIELDS()
}
CvSeq;
define CV_TYPE_NAME_SEQ "opencv-sequence"
define CV_TYPE_NAME_SEQ_TREE "opencv-sequence-tree"
************************************* Set *******************************************
/*
Set.
Order is not preserved. There can be gaps between sequence elements.
After the element has been inserted it stays in the same place all the time.
The MSB(most-significant or sign bit) of the first field (flags) is 0 iff the element exists.
*/
define CV_SET_ELEM_FIELDS(elem_type) \
int flags; \
struct elem_type* next_free;
typedef struct CvSetElem
{
CV_SET_ELEM_FIELDS(CvSetElem)
}
CvSetElem;
define CV_SET_FIELDS() \
CV_SEQUENCE_FIELDS() \
CvSetElem* free_elems; \
int active_count;
typedef struct CvSet
{
CV_SET_FIELDS()
}
CvSet;
define CV_SET_ELEM_IDX_MASK ((1 << 26) - 1)
define CV_SET_ELEM_FREE_FLAG (1 << (sizeof(int)*8-1))
/* Checks whether the element pointed by ptr belongs to a set or not */
define CV_IS_SET_ELEM( ptr ) (((CvSetElem*)(ptr))->flags >= 0)
*********************************** Graph *******************************************
/*
We represent a graph as a set of vertices.
Vertices contain their adjacency lists (more exactly, pointers to first incoming or
outcoming edge (or 0 if isolated vertex)). Edges are stored in another set.
There is a singly-linked list of incoming/outcoming edges for each vertex.
Each edge consists of
o Two pointers to the starting and ending vertices
(vtx[0] and vtx[1] respectively).
A graph may be oriented or not. In the latter case, edges between
vertex i to vertex j are not distinguished during search operations.
o Two pointers to next edges for the starting and ending vertices, where
next[0] points to the next edge in the vtx[0] adjacency list and
next[1] points to the next edge in the vtx[1] adjacency list.
*/
define CV_GRAPH_EDGE_FIELDS() \
int flags; \
float weight; \
struct CvGraphEdge* next[2]; \
struct CvGraphVtx* vtx[2];
define CV_GRAPH_VERTEX_FIELDS() \
int flags; \
struct CvGraphEdge* first;
typedef struct CvGraphEdge
{
CV_GRAPH_EDGE_FIELDS()
}
CvGraphEdge;
typedef struct CvGraphVtx
{
CV_GRAPH_VERTEX_FIELDS()
}
CvGraphVtx;
typedef struct CvGraphVtx2D
{
CV_GRAPH_VERTEX_FIELDS()
CvPoint2D32f* ptr;
}
CvGraphVtx2D;
/*
Graph is "derived" from the set (this is set a of vertices)
and includes another set (edges)
*/
define CV_GRAPH_FIELDS() \
CV_SET_FIELDS() \
CvSet* edges;
typedef struct CvGraph
{
CV_GRAPH_FIELDS()
}
CvGraph;
define CV_TYPE_NAME_GRAPH "opencv-graph"
********************************* Chain/Countour ************************************
typedef struct CvChain
{
CV_SEQUENCE_FIELDS()
CvPoint origin;
}
CvChain;
define CV_CONTOUR_FIELDS() \
CV_SEQUENCE_FIELDS() \
CvRect rect; \
int color; \
int reserved[3];
typedef struct CvContour
{
CV_CONTOUR_FIELDS()
}
CvContour;
typedef CvContour CvPoint2DSeq;
**************************************************************************************\
Sequence types *
\***************************************************************************************
define CV_SEQ_MAGIC_VAL 0x42990000
define CV_IS_SEQ(seq) \
((seq) != NULL && (((CvSeq*)(seq))->flags & CV_MAGIC_MASK) == CV_SEQ_MAGIC_VAL)
define CV_SET_MAGIC_VAL 0x42980000
define CV_IS_SET(set) \
((set) != NULL && (((CvSeq*)(set))->flags & CV_MAGIC_MASK) == CV_SET_MAGIC_VAL)
define CV_SEQ_ELTYPE_BITS 9
define CV_SEQ_ELTYPE_MASK ((1 << CV_SEQ_ELTYPE_BITS) - 1)
define CV_SEQ_ELTYPE_POINT CV_32SC2 /* (x,y) */
define CV_SEQ_ELTYPE_CODE CV_8UC1 /* freeman code: 0..7 */
define CV_SEQ_ELTYPE_GENERIC 0
define CV_SEQ_ELTYPE_PTR CV_USRTYPE1
define CV_SEQ_ELTYPE_PPOINT CV_SEQ_ELTYPE_PTR /* &(x,y) */
define CV_SEQ_ELTYPE_INDEX CV_32SC1 /* #(x,y) */
define CV_SEQ_ELTYPE_GRAPH_EDGE 0 /* &next_o, &next_d, &vtx_o, &vtx_d */
define CV_SEQ_ELTYPE_GRAPH_VERTEX 0 /* first_edge, &(x,y) */
define CV_SEQ_ELTYPE_TRIAN_ATR 0 /* vertex of the binary tree */
define CV_SEQ_ELTYPE_CONNECTED_COMP 0 /* connected component */
define CV_SEQ_ELTYPE_POINT3D CV_32FC3 /* (x,y,z) */
define CV_SEQ_KIND_BITS 3
define CV_SEQ_KIND_MASK (((1 << CV_SEQ_KIND_BITS) - 1)<<CV_SEQ_ELTYPE_BITS)
/* types of sequences */
define CV_SEQ_KIND_GENERIC (0 << CV_SEQ_ELTYPE_BITS)
define CV_SEQ_KIND_CURVE (1 << CV_SEQ_ELTYPE_BITS)
define CV_SEQ_KIND_BIN_TREE (2 << CV_SEQ_ELTYPE_BITS)
/* types of sparse sequences (sets) */
define CV_SEQ_KIND_GRAPH (3 << CV_SEQ_ELTYPE_BITS)
define CV_SEQ_KIND_SUBDIV2D (4 << CV_SEQ_ELTYPE_BITS)
define CV_SEQ_FLAG_SHIFT (CV_SEQ_KIND_BITS + CV_SEQ_ELTYPE_BITS)
/* flags for curves */
define CV_SEQ_FLAG_CLOSED (1 << CV_SEQ_FLAG_SHIFT)
define CV_SEQ_FLAG_SIMPLE (2 << CV_SEQ_FLAG_SHIFT)
define CV_SEQ_FLAG_CONVEX (4 << CV_SEQ_FLAG_SHIFT)
define CV_SEQ_FLAG_HOLE (8 << CV_SEQ_FLAG_SHIFT)
/* flags for graphs */
define CV_GRAPH_FLAG_ORIENTED (1 << CV_SEQ_FLAG_SHIFT)
define CV_GRAPH CV_SEQ_KIND_GRAPH
define CV_ORIENTED_GRAPH (CV_SEQ_KIND_GRAPH|CV_GRAPH_FLAG_ORIENTED)
/* point sets */
define CV_SEQ_POINT_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT)
define CV_SEQ_POINT3D_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT3D)
define CV_SEQ_POLYLINE (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_POINT)
define CV_SEQ_POLYGON (CV_SEQ_FLAG_CLOSED | CV_SEQ_POLYLINE )
define CV_SEQ_CONTOUR CV_SEQ_POLYGON
define CV_SEQ_SIMPLE_POLYGON (CV_SEQ_FLAG_SIMPLE | CV_SEQ_POLYGON )
/* chain-coded curves */
define CV_SEQ_CHAIN (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_CODE)
define CV_SEQ_CHAIN_CONTOUR (CV_SEQ_FLAG_CLOSED | CV_SEQ_CHAIN)
/* binary tree for the contour */
define CV_SEQ_POLYGON_TREE (CV_SEQ_KIND_BIN_TREE | CV_SEQ_ELTYPE_TRIAN_ATR)
/* sequence of the connected components */
define CV_SEQ_CONNECTED_COMP (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_CONNECTED_COMP)
/* sequence of the integer numbers */
define CV_SEQ_INDEX (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_INDEX)
define CV_SEQ_ELTYPE( seq ) ((seq)->flags & CV_SEQ_ELTYPE_MASK)
define CV_SEQ_KIND( seq ) ((seq)->flags & CV_SEQ_KIND_MASK )
/* flag checking */
define CV_IS_SEQ_INDEX( seq ) ((CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_INDEX) && \
(CV_SEQ_KIND(seq) == CV_SEQ_KIND_GENERIC))
define CV_IS_SEQ_CURVE( seq ) (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE)
define CV_IS_SEQ_CLOSED( seq ) (((seq)->flags & CV_SEQ_FLAG_CLOSED) != 0)
define CV_IS_SEQ_CONVEX( seq ) (((seq)->flags & CV_SEQ_FLAG_CONVEX) != 0)
define CV_IS_SEQ_HOLE( seq ) (((seq)->flags & CV_SEQ_FLAG_HOLE) != 0)
define CV_IS_SEQ_SIMPLE( seq ) ((((seq)->flags & CV_SEQ_FLAG_SIMPLE) != 0) || \
CV_IS_SEQ_CONVEX(seq))
/* type checking macros */
define CV_IS_SEQ_POINT_SET( seq ) \
((CV_SEQ_ELTYPE(seq) == CV_32SC2 || CV_SEQ_ELTYPE(seq) == CV_32FC2))
define CV_IS_SEQ_POINT_SUBSET( seq ) \
(CV_IS_SEQ_INDEX( seq ) || CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_PPOINT)
define CV_IS_SEQ_POLYLINE( seq ) \
(CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && CV_IS_SEQ_POINT_SET(seq))
define CV_IS_SEQ_POLYGON( seq ) \
(CV_IS_SEQ_POLYLINE(seq) && CV_IS_SEQ_CLOSED(seq))
define CV_IS_SEQ_CHAIN( seq ) \
(CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && (seq)->elem_size == 1)
define CV_IS_SEQ_CONTOUR( seq ) \
(CV_IS_SEQ_CLOSED(seq) && (CV_IS_SEQ_POLYLINE(seq) || CV_IS_SEQ_CHAIN(seq)))
define CV_IS_SEQ_CHAIN_CONTOUR( seq ) \
(CV_IS_SEQ_CHAIN( seq ) && CV_IS_SEQ_CLOSED( seq ))
define CV_IS_SEQ_POLYGON_TREE( seq ) \
(CV_SEQ_ELTYPE (seq) == CV_SEQ_ELTYPE_TRIAN_ATR && \
CV_SEQ_KIND( seq ) == CV_SEQ_KIND_BIN_TREE )
define CV_IS_GRAPH( seq ) \
(CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_GRAPH)
define CV_IS_GRAPH_ORIENTED( seq ) \
(((seq)->flags & CV_GRAPH_FLAG_ORIENTED) != 0)
define CV_IS_SUBDIV2D( seq ) \
(CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_SUBDIV2D)
*************************************************************************************
/* Sequence writer & reader */
*************************************************************************************
define CV_SEQ_WRITER_FIELDS() \
int header_size; \
CvSeq* seq; /* the sequence written */ \
CvSeqBlock* block; /* current block */ \
schar* ptr; /* pointer to free space */ \
schar* block_min; /* pointer to the beginning of block*/\
schar* block_max; /* pointer to the end of block */
typedef struct CvSeqWriter
{
CV_SEQ_WRITER_FIELDS()
}
CvSeqWriter;
define CV_SEQ_READER_FIELDS() \
int header_size; \
CvSeq* seq; /* sequence, beign read */ \
CvSeqBlock* block; /* current block */ \
schar* ptr; /* pointer to element be read next */ \
schar* block_min; /* pointer to the beginning of block */\
schar* block_max; /* pointer to the end of block */ \
int delta_index;/* = seq->first->start_index */ \
schar* prev_elem; /* pointer to previous element */
typedef struct CvSeqReader
{
CV_SEQ_READER_FIELDS()
}
CvSeqReader;
*************************************************************************************
/* Operations on sequences */
*************************************************************************************
define CV_SEQ_ELEM( seq, elem_type, index ) \
/* assert gives some guarantee that <seq> parameter is valid */ \
( assert(sizeof((seq)->first[0]) == sizeof(CvSeqBlock) && \
(seq)->elem_size == sizeof(elem_type)), \
(elem_type*)((seq)->first && (unsigned)index < \
(unsigned)((seq)->first->count) ? \
(seq)->first->data + (index) * sizeof(elem_type) : \
cvGetSeqElem( (CvSeq*)(seq), (index) )))
define CV_GET_SEQ_ELEM( elem_type, seq, index ) CV_SEQ_ELEM( (seq), elem_type, (index) )
/* Add element to sequence: */
define CV_WRITE_SEQ_ELEM_VAR( elem_ptr, writer ) \
{ \
if( (writer).ptr >= (writer).block_max ) \
{ \
cvCreateSeqBlock( &writer); \
} \
memcpy((writer).ptr, elem_ptr, (writer).seq->elem_size);\
(writer).ptr += (writer).seq->elem_size; \
}
define CV_WRITE_SEQ_ELEM( elem, writer ) \
{ \
assert( (writer).seq->elem_size == sizeof(elem)); \
if( (writer).ptr >= (writer).block_max ) \
{ \
cvCreateSeqBlock( &writer); \
} \
assert( (writer).ptr <= (writer).block_max - sizeof(elem));\
memcpy((writer).ptr, &(elem), sizeof(elem)); \
(writer).ptr += sizeof(elem); \
}
/* Move reader position forward: */
define CV_NEXT_SEQ_ELEM( elem_size, reader ) \
{ \
if( ((reader).ptr += (elem_size)) >= (reader).block_max ) \
{ \
cvChangeSeqBlock( &(reader), 1 ); \
} \
}
/* Move reader position backward: */
define CV_PREV_SEQ_ELEM( elem_size, reader ) \
{ \
if( ((reader).ptr -= (elem_size)) < (reader).block_min ) \
{ \
cvChangeSeqBlock( &(reader), -1 ); \
} \
}
/* Read element and move read position forward: */
define CV_READ_SEQ_ELEM( elem, reader ) \
{ \
assert( (reader).seq->elem_size == sizeof(elem)); \
memcpy( &(elem), (reader).ptr, sizeof((elem))); \
CV_NEXT_SEQ_ELEM( sizeof(elem), reader ) \
}
/* Read element and move read position backward: */
define CV_REV_READ_SEQ_ELEM( elem, reader ) \
{ \
assert( (reader).seq->elem_size == sizeof(elem)); \
memcpy(&(elem), (reader).ptr, sizeof((elem))); \
CV_PREV_SEQ_ELEM( sizeof(elem), reader ) \
}
define CV_READ_CHAIN_POINT( _pt, reader ) \
{ \
(_pt) = (reader).pt; \
if( (reader).ptr ) \
{ \
CV_READ_SEQ_ELEM( (reader).code, (reader)); \
assert( ((reader).code & ~7) == 0 ); \
(reader).pt.x += (reader).deltas[(int)(reader).code][0]; \
(reader).pt.y += (reader).deltas[(int)(reader).code][1]; \
} \
}
define CV_CURRENT_POINT( reader ) (*((CvPoint*)((reader).ptr)))
define CV_PREV_POINT( reader ) (*((CvPoint*)((reader).prev_elem)))
define CV_READ_EDGE( pt1, pt2, reader ) \
{ \
assert( sizeof(pt1) == sizeof(CvPoint) && \
sizeof(pt2) == sizeof(CvPoint) && \
reader.seq->elem_size == sizeof(CvPoint)); \
(pt1) = CV_PREV_POINT( reader ); \
(pt2) = CV_CURRENT_POINT( reader ); \
(reader).prev_elem = (reader).ptr; \
CV_NEXT_SEQ_ELEM( sizeof(CvPoint), (reader)); \
}
********** Graph macros ***********
/* Return next graph edge for given vertex: */
define CV_NEXT_GRAPH_EDGE( edge, vertex ) \
(assert((edge)->vtx[0] == (vertex) || (edge)->vtx[1] == (vertex)), \
(edge)->next[(edge)->vtx[1] == (vertex)])
**************************************************************************************\
Data structures for persistence (a.k.a serialization) functionality *
\***************************************************************************************
/* "black box" file storage */
typedef struct CvFileStorage CvFileStorage;
/* Storage flags: */
define CV_STORAGE_READ 0
define CV_STORAGE_WRITE 1
define CV_STORAGE_WRITE_TEXT CV_STORAGE_WRITE
define CV_STORAGE_WRITE_BINARY CV_STORAGE_WRITE
define CV_STORAGE_APPEND 2
/* List of attributes: */
typedef struct CvAttrList
{
const char** attr; /* NULL-terminated array of (attribute_name,attribute_value) pairs. */
struct CvAttrList* next; /* Pointer to next chunk of the attributes list. */
}
CvAttrList;
CV_INLINE CvAttrList cvAttrList( const char** attr CV_DEFAULT(NULL),
CvAttrList* next CV_DEFAULT(NULL) )
{
CvAttrList l;
l.attr = attr;
l.next = next;
return l;
}
struct CvTypeInfo;
define CV_NODE_NONE 0
define CV_NODE_INT 1
define CV_NODE_INTEGER CV_NODE_INT
define CV_NODE_REAL 2
define CV_NODE_FLOAT CV_NODE_REAL
define CV_NODE_STR 3
define CV_NODE_STRING CV_NODE_STR
define CV_NODE_REF 4 /* not used */
define CV_NODE_SEQ 5
define CV_NODE_MAP 6
define CV_NODE_TYPE_MASK 7
define CV_NODE_TYPE(flags) ((flags) & CV_NODE_TYPE_MASK)
/* file node flags */
define CV_NODE_FLOW 8 /* Used only for writing structures in YAML format. */
define CV_NODE_USER 16
define CV_NODE_EMPTY 32
define CV_NODE_NAMED 64
define CV_NODE_IS_INT(flags) (CV_NODE_TYPE(flags) == CV_NODE_INT)
define CV_NODE_IS_REAL(flags) (CV_NODE_TYPE(flags) == CV_NODE_REAL)
define CV_NODE_IS_STRING(flags) (CV_NODE_TYPE(flags) == CV_NODE_STRING)
define CV_NODE_IS_SEQ(flags) (CV_NODE_TYPE(flags) == CV_NODE_SEQ)
define CV_NODE_IS_MAP(flags) (CV_NODE_TYPE(flags) == CV_NODE_MAP)
define CV_NODE_IS_COLLECTION(flags) (CV_NODE_TYPE(flags) >= CV_NODE_SEQ)
define CV_NODE_IS_FLOW(flags) (((flags) & CV_NODE_FLOW) != 0)
define CV_NODE_IS_EMPTY(flags) (((flags) & CV_NODE_EMPTY) != 0)
define CV_NODE_IS_USER(flags) (((flags) & CV_NODE_USER) != 0)
define CV_NODE_HAS_NAME(flags) (((flags) & CV_NODE_NAMED) != 0)
define CV_NODE_SEQ_SIMPLE 256
define CV_NODE_SEQ_IS_SIMPLE(seq) (((seq)->flags & CV_NODE_SEQ_SIMPLE) != 0)
typedef struct CvString
{
int len;
char* ptr;
}
CvString;
/* All the keys (names) of elements in the readed file storage
are stored in the hash to speed up the lookup operations: */
typedef struct CvStringHashNode
{
unsigned hashval;
CvString str;
struct CvStringHashNode* next;
}
CvStringHashNode;
typedef struct CvGenericHash CvFileNodeHash;
/* Basic element of the file storage - scalar or collection: */
typedef struct CvFileNode
{
int tag;
struct CvTypeInfo* info; /* type information
(only for user-defined object, for others it is 0) */
union
{
double f; /* scalar floating-point number */
int i; /* scalar integer number */
CvString str; /* text string */
CvSeq* seq; /* sequence (ordered collection of file nodes) */
CvFileNodeHash* map; /* map (collection of named file nodes) */
} data;
}
CvFileNode;
ifdef __cplusplus
extern "C" {
endif
typedef int (CV_CDECL *CvIsInstanceFunc)( const void* struct_ptr );
typedef void (CV_CDECL *CvReleaseFunc)( void** struct_dblptr );
typedef void* (CV_CDECL *CvReadFunc)( CvFileStorage* storage, CvFileNode* node );
typedef void (CV_CDECL *CvWriteFunc)( CvFileStorage* storage, const char* name,
const void* struct_ptr, CvAttrList attributes );
typedef void* (CV_CDECL *CvCloneFunc)( const void* struct_ptr );
ifdef __cplusplus
}
endif
typedef struct CvTypeInfo
{
int flags;
int header_size;
struct CvTypeInfo* prev;
struct CvTypeInfo* next;
const char* type_name;
CvIsInstanceFunc is_instance;
CvReleaseFunc release;
CvReadFunc read;
CvWriteFunc write;
CvCloneFunc clone;
}
CvTypeInfo;
** System data types *****
typedef struct CvPluginFuncInfo
{
void** func_addr;
void* default_func_addr;
const char* func_names;
int search_modules;
int loaded_from;
}
CvPluginFuncInfo;
typedef struct CvModuleInfo
{
struct CvModuleInfo* next;
const char* name;
const char* version;
CvPluginFuncInfo* func_tab;
}
CvModuleInfo;
endif /*_CXCORE_TYPES_H_*/
/* End of file. */
(C) Æliens
04/09/2009
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