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11 // For Open Source Computer Vision Library
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43 #ifndef _CXCORE_TYPES_H_
44 #define _CXCORE_TYPES_H_
46 #if !defined _CRT_SECURE_NO_DEPRECATE && _MSC_VER > 1300
47 #define _CRT_SECURE_NO_DEPRECATE /* to avoid multiple Visual Studio 2005 warnings */
51 #ifndef _BIND_TO_CURRENT_CRT_VERSION
52 #define _BIND_TO_CURRENT_CRT_VERSION 1
54 #ifndef _BIND_TO_CURRENT_VCLIBS_VERSION
55 #define _BIND_TO_CURRENT_VCLIBS_VERSION 1
65 #if !defined _MSC_VER && !defined __BORLANDC__
79 #if ((defined WIN32 || defined _WIN32 || defined WIN64 || defined _WIN64) && \
80 (_MSC_VER >= 1400 || defined CV_ICC)) \
81 || (defined __SSE2__ && defined __GNUC__ && __GNUC__ >= 4)
82 #include <emmintrin.h>
88 #if ((defined __SSE__ || defined __MMX__) && defined __GNUC__ && __GNUC__ >= 3)
92 #if defined __BORLANDC__
100 #if defined WIN32 || defined _WIN32 || defined WIN64 || defined _WIN64
106 #elif defined __IPL_H__
109 #endif // SKIP_INCLUDES
111 #if defined WIN32 || defined _WIN32 || defined WIN64 || defined _WIN64
112 #define CV_CDECL __cdecl
113 #define CV_STDCALL __stdcall
121 #define CV_EXTERN_C extern "C"
122 #define CV_DEFAULT(val) = val
125 #define CV_DEFAULT(val)
129 #ifndef CV_EXTERN_C_FUNCPTR
131 #define CV_EXTERN_C_FUNCPTR(x) extern "C" { typedef x; }
133 #define CV_EXTERN_C_FUNCPTR(x) typedef x
138 #if defined __cplusplus
139 #define CV_INLINE inline
140 #elif (defined WIN32 || defined _WIN32 || defined WIN64 || defined _WIN64 || defined WINCE) && !defined __GNUC__
141 #define CV_INLINE __inline
143 #define CV_INLINE static
145 #endif /* CV_INLINE */
147 #if (defined WIN32 || defined _WIN32 || defined WIN64 || defined _WIN64 || defined WINCE) && defined CVAPI_EXPORTS
148 #define CV_EXPORTS __declspec(dllexport)
154 #define CVAPI(rettype) CV_EXTERN_C CV_EXPORTS rettype CV_CDECL
157 #if defined _MSC_VER || defined __BORLANDC__
158 typedef __int64 int64;
159 typedef unsigned __int64 uint64;
161 typedef int64_t int64;
162 typedef uint64_t uint64;
166 typedef unsigned char uchar;
167 typedef unsigned short ushort;
170 typedef signed char schar;
172 /* CvArr* is used to pass arbitrary
173 * array-like data structures
174 * into functions where the particular
175 * array type is recognized at runtime:
179 typedef union Cv32suf
187 typedef union Cv64suf
195 /****************************************************************************************\
196 * Common macros and inline functions *
197 \****************************************************************************************/
199 #define CV_PI 3.1415926535897932384626433832795
200 #define CV_LOG2 0.69314718055994530941723212145818
202 #define CV_SWAP(a,b,t) ((t) = (a), (a) = (b), (b) = (t))
205 #define MIN(a,b) ((a) > (b) ? (b) : (a))
209 #define MAX(a,b) ((a) < (b) ? (b) : (a))
212 /* min & max without jumps */
213 #define CV_IMIN(a, b) ((a) ^ (((a)^(b)) & (((a) < (b)) - 1)))
215 #define CV_IMAX(a, b) ((a) ^ (((a)^(b)) & (((a) > (b)) - 1)))
217 /* absolute value without jumps */
219 #define CV_IABS(a) (((a) ^ ((a) < 0 ? -1 : 0)) - ((a) < 0 ? -1 : 0))
221 #define CV_IABS(a) abs(a)
223 #define CV_CMP(a,b) (((a) > (b)) - ((a) < (b)))
224 #define CV_SIGN(a) CV_CMP((a),0)
226 CV_INLINE int cvRound( double value )
228 #if CV_SSE2 && !defined __APPLE__
229 __m128d t = _mm_set_sd( value );
230 return _mm_cvtsd_si32(t);
231 #elif (defined WIN32 || defined _WIN32) && !defined WIN64 && !defined _WIN64 && defined _MSC_VER
239 #elif defined HAVE_LRINT || defined CV_ICC || defined __GNUC__
240 return (int)lrint(value);
242 // while this is not IEEE754-compliant rounding, it's usually a good enough approximation
243 return (int)(value + 0.5);
248 CV_INLINE int cvFloor( double value )
252 return i - (i > value);
254 __m128d t = _mm_set_sd( value );
255 int i = _mm_cvtsd_si32(t);
256 return i - _mm_movemask_pd(_mm_cmplt_sd(t, _mm_cvtsi32_sd(t,i)));
258 int i = cvRound(value);
260 diff.f = (float)(value - i);
261 return i - (diff.i < 0);
266 CV_INLINE int cvCeil( double value )
270 return i + (i < value);
272 __m128d t = _mm_set_sd( value );
273 int i = _mm_cvtsd_si32(t);
274 return i + _mm_movemask_pd(_mm_cmplt_sd(_mm_cvtsi32_sd(t,i), t));
276 int i = cvRound(value);
278 diff.f = (float)(i - value);
279 return i + (diff.i < 0);
283 #define cvInvSqrt(value) ((float)(1./sqrt(value)))
284 #define cvSqrt(value) ((float)sqrt(value))
286 CV_INLINE int cvIsNaN( double value )
288 #if 1/*defined _MSC_VER || defined __BORLANDC__
289 return _isnan(value);
290 #elif defined __GNUC__
295 return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) +
296 ((unsigned)ieee754.u != 0) > 0x7ff00000;
301 CV_INLINE int cvIsInf( double value )
303 #if 1/*defined _MSC_VER || defined __BORLANDC__
304 return !_finite(value);
305 #elif defined __GNUC__
310 return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) == 0x7ff00000 &&
311 (unsigned)ieee754.u == 0;
316 /*************** Random number generation *******************/
318 typedef uint64 CvRNG;
320 CV_INLINE CvRNG cvRNG( int64 seed CV_DEFAULT(-1))
322 CvRNG rng = seed ? (uint64)seed : (uint64)(int64)-1;
326 /* Return random 32-bit unsigned integer: */
327 CV_INLINE unsigned cvRandInt( CvRNG* rng )
330 temp = (uint64)(unsigned)temp*4164903690U + (temp >> 32);
332 return (unsigned)temp;
335 /* Returns random floating-point number between 0 and 1: */
336 CV_INLINE double cvRandReal( CvRNG* rng )
338 return cvRandInt(rng)*2.3283064365386962890625e-10 /* 2^-32 */;
341 /****************************************************************************************\
342 * Image type (IplImage) *
343 \****************************************************************************************/
348 * The following definitions (until #endif)
349 * is an extract from IPL headers.
350 * Copyright (c) 1995 Intel Corporation.
352 #define IPL_DEPTH_SIGN 0x80000000
354 #define IPL_DEPTH_1U 1
355 #define IPL_DEPTH_8U 8
356 #define IPL_DEPTH_16U 16
357 #define IPL_DEPTH_32F 32
359 #define IPL_DEPTH_8S (IPL_DEPTH_SIGN| 8)
360 #define IPL_DEPTH_16S (IPL_DEPTH_SIGN|16)
361 #define IPL_DEPTH_32S (IPL_DEPTH_SIGN|32)
363 #define IPL_DATA_ORDER_PIXEL 0
364 #define IPL_DATA_ORDER_PLANE 1
366 #define IPL_ORIGIN_TL 0
367 #define IPL_ORIGIN_BL 1
369 #define IPL_ALIGN_4BYTES 4
370 #define IPL_ALIGN_8BYTES 8
371 #define IPL_ALIGN_16BYTES 16
372 #define IPL_ALIGN_32BYTES 32
374 #define IPL_ALIGN_DWORD IPL_ALIGN_4BYTES
375 #define IPL_ALIGN_QWORD IPL_ALIGN_8BYTES
377 #define IPL_BORDER_CONSTANT 0
378 #define IPL_BORDER_REPLICATE 1
379 #define IPL_BORDER_REFLECT 2
380 #define IPL_BORDER_WRAP 3
382 typedef struct _IplImage
384 int nSize; /* sizeof(IplImage) */
385 int ID; /* version (=0)*/
386 int nChannels; /* Most of OpenCV functions support 1,2,3 or 4 channels */
387 int alphaChannel; /* Ignored by OpenCV */
388 int depth; /* Pixel depth in bits: IPL_DEPTH_8U, IPL_DEPTH_8S, IPL_DEPTH_16S,
389 IPL_DEPTH_32S, IPL_DEPTH_32F and IPL_DEPTH_64F are supported. */
390 char colorModel[4]; /* Ignored by OpenCV */
391 char channelSeq[4]; /* ditto */
392 int dataOrder; /* 0 - interleaved color channels, 1 - separate color channels.
393 cvCreateImage can only create interleaved images */
394 int origin; /* 0 - top-left origin,
395 1 - bottom-left origin (Windows bitmaps style). */
396 int align; /* Alignment of image rows (4 or 8).
397 OpenCV ignores it and uses widthStep instead. */
398 int width; /* Image width in pixels. */
399 int height; /* Image height in pixels. */
400 struct _IplROI *roi; /* Image ROI. If NULL, the whole image is selected. */
401 struct _IplImage *maskROI; /* Must be NULL. */
402 void *imageId; /* " " */
403 struct _IplTileInfo *tileInfo; /* " " */
404 int imageSize; /* Image data size in bytes
405 (==image->height*image->widthStep
406 in case of interleaved data)*/
407 char *imageData; /* Pointer to aligned image data. */
408 int widthStep; /* Size of aligned image row in bytes. */
409 int BorderMode[4]; /* Ignored by OpenCV. */
410 int BorderConst[4]; /* Ditto. */
411 char *imageDataOrigin; /* Pointer to very origin of image data
412 (not necessarily aligned) -
413 needed for correct deallocation */
417 typedef struct _IplTileInfo IplTileInfo;
419 typedef struct _IplROI
421 int coi; /* 0 - no COI (all channels are selected), 1 - 0th channel is selected ...*/
429 typedef struct _IplConvKernel
440 typedef struct _IplConvKernelFP
450 #define IPL_IMAGE_HEADER 1
451 #define IPL_IMAGE_DATA 2
452 #define IPL_IMAGE_ROI 4
456 /* extra border mode */
457 #define IPL_BORDER_REFLECT_101 4
459 #define IPL_IMAGE_MAGIC_VAL ((int)sizeof(IplImage))
460 #define CV_TYPE_NAME_IMAGE "opencv-image"
462 #define CV_IS_IMAGE_HDR(img) \
463 ((img) != NULL && ((const IplImage*)(img))->nSize == sizeof(IplImage))
465 #define CV_IS_IMAGE(img) \
466 (CV_IS_IMAGE_HDR(img) && ((IplImage*)img)->imageData != NULL)
468 /* for storing double-precision
469 floating point data in IplImage's */
470 #define IPL_DEPTH_64F 64
472 /* get reference to pixel at (col,row),
473 for multi-channel images (col) should be multiplied by number of channels */
474 #define CV_IMAGE_ELEM( image, elemtype, row, col ) \
475 (((elemtype*)((image)->imageData + (image)->widthStep*(row)))[(col)])
477 /****************************************************************************************\
478 * Matrix type (CvMat) *
479 \****************************************************************************************/
482 #define CV_CN_SHIFT 3
483 #define CV_DEPTH_MAX (1 << CV_CN_SHIFT)
492 #define CV_USRTYPE1 7
494 #define CV_MAT_DEPTH_MASK (CV_DEPTH_MAX - 1)
495 #define CV_MAT_DEPTH(flags) ((flags) & CV_MAT_DEPTH_MASK)
497 #define CV_MAKETYPE(depth,cn) (CV_MAT_DEPTH(depth) + (((cn)-1) << CV_CN_SHIFT))
498 #define CV_MAKE_TYPE CV_MAKETYPE
500 #define CV_8UC1 CV_MAKETYPE(CV_8U,1)
501 #define CV_8UC2 CV_MAKETYPE(CV_8U,2)
502 #define CV_8UC3 CV_MAKETYPE(CV_8U,3)
503 #define CV_8UC4 CV_MAKETYPE(CV_8U,4)
504 #define CV_8UC(n) CV_MAKETYPE(CV_8U,(n))
506 #define CV_8SC1 CV_MAKETYPE(CV_8S,1)
507 #define CV_8SC2 CV_MAKETYPE(CV_8S,2)
508 #define CV_8SC3 CV_MAKETYPE(CV_8S,3)
509 #define CV_8SC4 CV_MAKETYPE(CV_8S,4)
510 #define CV_8SC(n) CV_MAKETYPE(CV_8S,(n))
512 #define CV_16UC1 CV_MAKETYPE(CV_16U,1)
513 #define CV_16UC2 CV_MAKETYPE(CV_16U,2)
514 #define CV_16UC3 CV_MAKETYPE(CV_16U,3)
515 #define CV_16UC4 CV_MAKETYPE(CV_16U,4)
516 #define CV_16UC(n) CV_MAKETYPE(CV_16U,(n))
518 #define CV_16SC1 CV_MAKETYPE(CV_16S,1)
519 #define CV_16SC2 CV_MAKETYPE(CV_16S,2)
520 #define CV_16SC3 CV_MAKETYPE(CV_16S,3)
521 #define CV_16SC4 CV_MAKETYPE(CV_16S,4)
522 #define CV_16SC(n) CV_MAKETYPE(CV_16S,(n))
524 #define CV_32SC1 CV_MAKETYPE(CV_32S,1)
525 #define CV_32SC2 CV_MAKETYPE(CV_32S,2)
526 #define CV_32SC3 CV_MAKETYPE(CV_32S,3)
527 #define CV_32SC4 CV_MAKETYPE(CV_32S,4)
528 #define CV_32SC(n) CV_MAKETYPE(CV_32S,(n))
530 #define CV_32FC1 CV_MAKETYPE(CV_32F,1)
531 #define CV_32FC2 CV_MAKETYPE(CV_32F,2)
532 #define CV_32FC3 CV_MAKETYPE(CV_32F,3)
533 #define CV_32FC4 CV_MAKETYPE(CV_32F,4)
534 #define CV_32FC(n) CV_MAKETYPE(CV_32F,(n))
536 #define CV_64FC1 CV_MAKETYPE(CV_64F,1)
537 #define CV_64FC2 CV_MAKETYPE(CV_64F,2)
538 #define CV_64FC3 CV_MAKETYPE(CV_64F,3)
539 #define CV_64FC4 CV_MAKETYPE(CV_64F,4)
540 #define CV_64FC(n) CV_MAKETYPE(CV_64F,(n))
542 #define CV_AUTO_STEP 0x7fffffff
543 #define CV_WHOLE_ARR cvSlice( 0, 0x3fffffff )
545 #define CV_MAT_CN_MASK ((CV_CN_MAX - 1) << CV_CN_SHIFT)
546 #define CV_MAT_CN(flags) ((((flags) & CV_MAT_CN_MASK) >> CV_CN_SHIFT) + 1)
547 #define CV_MAT_TYPE_MASK (CV_DEPTH_MAX*CV_CN_MAX - 1)
548 #define CV_MAT_TYPE(flags) ((flags) & CV_MAT_TYPE_MASK)
549 #define CV_MAT_CONT_FLAG_SHIFT 14
550 #define CV_MAT_CONT_FLAG (1 << CV_MAT_CONT_FLAG_SHIFT)
551 #define CV_IS_MAT_CONT(flags) ((flags) & CV_MAT_CONT_FLAG)
552 #define CV_IS_CONT_MAT CV_IS_MAT_CONT
553 #define CV_MAT_TEMP_FLAG_SHIFT 15
554 #define CV_MAT_TEMP_FLAG (1 << CV_MAT_TEMP_FLAG_SHIFT)
555 #define CV_IS_TEMP_MAT(flags) ((flags) & CV_MAT_TEMP_FLAG)
557 #define CV_MAGIC_MASK 0xFFFF0000
558 #define CV_MAT_MAGIC_VAL 0x42420000
559 #define CV_TYPE_NAME_MAT "opencv-matrix"
566 /* for internal use only */
600 #define CV_IS_MAT_HDR(mat) \
602 (((const CvMat*)(mat))->type & CV_MAGIC_MASK) == CV_MAT_MAGIC_VAL && \
603 ((const CvMat*)(mat))->cols > 0 && ((const CvMat*)(mat))->rows > 0)
605 #define CV_IS_MAT(mat) \
606 (CV_IS_MAT_HDR(mat) && ((const CvMat*)(mat))->data.ptr != NULL)
608 #define CV_IS_MASK_ARR(mat) \
609 (((mat)->type & (CV_MAT_TYPE_MASK & ~CV_8SC1)) == 0)
611 #define CV_ARE_TYPES_EQ(mat1, mat2) \
612 ((((mat1)->type ^ (mat2)->type) & CV_MAT_TYPE_MASK) == 0)
614 #define CV_ARE_CNS_EQ(mat1, mat2) \
615 ((((mat1)->type ^ (mat2)->type) & CV_MAT_CN_MASK) == 0)
617 #define CV_ARE_DEPTHS_EQ(mat1, mat2) \
618 ((((mat1)->type ^ (mat2)->type) & CV_MAT_DEPTH_MASK) == 0)
620 #define CV_ARE_SIZES_EQ(mat1, mat2) \
621 ((mat1)->rows == (mat2)->rows && (mat1)->cols == (mat2)->cols)
623 #define CV_IS_MAT_CONST(mat) \
624 (((mat)->rows|(mat)->cols) == 1)
626 /* Size of each channel item,
627 0x124489 = 1000 0100 0100 0010 0010 0001 0001 ~ array of sizeof(arr_type_elem) */
628 #define CV_ELEM_SIZE1(type) \
629 ((((sizeof(size_t)<<28)|0x8442211) >> CV_MAT_DEPTH(type)*4) & 15)
631 /* 0x3a50 = 11 10 10 01 01 00 00 ~ array of log2(sizeof(arr_type_elem)) */
632 #define CV_ELEM_SIZE(type) \
633 (CV_MAT_CN(type) << ((((sizeof(size_t)/4+1)*16384|0x3a50) >> CV_MAT_DEPTH(type)*2) & 3))
635 /* Inline constructor. No data is allocated internally!!!
636 * (Use together with cvCreateData, or use cvCreateMat instead to
637 * get a matrix with allocated data):
639 CV_INLINE CvMat cvMat( int rows, int cols, int type, void* data CV_DEFAULT(NULL))
643 assert( (unsigned)CV_MAT_DEPTH(type) <= CV_64F );
644 type = CV_MAT_TYPE(type);
645 m.type = CV_MAT_MAGIC_VAL | CV_MAT_CONT_FLAG | type;
648 m.step = m.cols*CV_ELEM_SIZE(type);
649 m.data.ptr = (uchar*)data;
657 #define CV_MAT_ELEM_PTR_FAST( mat, row, col, pix_size ) \
658 (assert( (unsigned)(row) < (unsigned)(mat).rows && \
659 (unsigned)(col) < (unsigned)(mat).cols ), \
660 (mat).data.ptr + (size_t)(mat).step*(row) + (pix_size)*(col))
662 #define CV_MAT_ELEM_PTR( mat, row, col ) \
663 CV_MAT_ELEM_PTR_FAST( mat, row, col, CV_ELEM_SIZE((mat).type) )
665 #define CV_MAT_ELEM( mat, elemtype, row, col ) \
666 (*(elemtype*)CV_MAT_ELEM_PTR_FAST( mat, row, col, sizeof(elemtype)))
669 CV_INLINE double cvmGet( const CvMat* mat, int row, int col )
673 type = CV_MAT_TYPE(mat->type);
674 assert( (unsigned)row < (unsigned)mat->rows &&
675 (unsigned)col < (unsigned)mat->cols );
677 if( type == CV_32FC1 )
678 return ((float*)(mat->data.ptr + (size_t)mat->step*row))[col];
681 assert( type == CV_64FC1 );
682 return ((double*)(mat->data.ptr + (size_t)mat->step*row))[col];
687 CV_INLINE void cvmSet( CvMat* mat, int row, int col, double value )
690 type = CV_MAT_TYPE(mat->type);
691 assert( (unsigned)row < (unsigned)mat->rows &&
692 (unsigned)col < (unsigned)mat->cols );
694 if( type == CV_32FC1 )
695 ((float*)(mat->data.ptr + (size_t)mat->step*row))[col] = (float)value;
698 assert( type == CV_64FC1 );
699 ((double*)(mat->data.ptr + (size_t)mat->step*row))[col] = (double)value;
704 CV_INLINE int cvIplDepth( int type )
706 int depth = CV_MAT_DEPTH(type);
707 return CV_ELEM_SIZE1(depth)*8 | (depth == CV_8S || depth == CV_16S ||
708 depth == CV_32S ? IPL_DEPTH_SIGN : 0);
712 /****************************************************************************************\
713 * Multi-dimensional dense array (CvMatND) *
714 \****************************************************************************************/
716 #define CV_MATND_MAGIC_VAL 0x42430000
717 #define CV_TYPE_NAME_MATND "opencv-nd-matrix"
719 #define CV_MAX_DIM 32
720 #define CV_MAX_DIM_HEAP (1 << 16)
722 typedef struct CvMatND
748 #define CV_IS_MATND_HDR(mat) \
749 ((mat) != NULL && (((const CvMatND*)(mat))->type & CV_MAGIC_MASK) == CV_MATND_MAGIC_VAL)
751 #define CV_IS_MATND(mat) \
752 (CV_IS_MATND_HDR(mat) && ((const CvMatND*)(mat))->data.ptr != NULL)
755 /****************************************************************************************\
756 * Multi-dimensional sparse array (CvSparseMat) *
757 \****************************************************************************************/
759 #define CV_SPARSE_MAT_MAGIC_VAL 0x42440000
760 #define CV_TYPE_NAME_SPARSE_MAT "opencv-sparse-matrix"
764 typedef struct CvSparseMat
776 int size[CV_MAX_DIM];
780 #define CV_IS_SPARSE_MAT_HDR(mat) \
782 (((const CvSparseMat*)(mat))->type & CV_MAGIC_MASK) == CV_SPARSE_MAT_MAGIC_VAL)
784 #define CV_IS_SPARSE_MAT(mat) \
785 CV_IS_SPARSE_MAT_HDR(mat)
787 /**************** iteration through a sparse array *****************/
789 typedef struct CvSparseNode
792 struct CvSparseNode* next;
796 typedef struct CvSparseMatIterator
804 #define CV_NODE_VAL(mat,node) ((void*)((uchar*)(node) + (mat)->valoffset))
805 #define CV_NODE_IDX(mat,node) ((int*)((uchar*)(node) + (mat)->idxoffset))
807 /****************************************************************************************\
809 \****************************************************************************************/
811 typedef int CvHistType;
813 #define CV_HIST_MAGIC_VAL 0x42450000
814 #define CV_HIST_UNIFORM_FLAG (1 << 10)
816 /* indicates whether bin ranges are set already or not */
817 #define CV_HIST_RANGES_FLAG (1 << 11)
819 #define CV_HIST_ARRAY 0
820 #define CV_HIST_SPARSE 1
821 #define CV_HIST_TREE CV_HIST_SPARSE
823 /* should be used as a parameter only,
824 it turns to CV_HIST_UNIFORM_FLAG of hist->type */
825 #define CV_HIST_UNIFORM 1
827 typedef struct CvHistogram
831 float thresh[CV_MAX_DIM][2]; /* For uniform histograms. */
832 float** thresh2; /* For non-uniform histograms. */
833 CvMatND mat; /* Embedded matrix header for array histograms. */
837 #define CV_IS_HIST( hist ) \
839 (((CvHistogram*)(hist))->type & CV_MAGIC_MASK) == CV_HIST_MAGIC_VAL && \
840 (hist)->bins != NULL)
842 #define CV_IS_UNIFORM_HIST( hist ) \
843 (((hist)->type & CV_HIST_UNIFORM_FLAG) != 0)
845 #define CV_IS_SPARSE_HIST( hist ) \
846 CV_IS_SPARSE_MAT((hist)->bins)
848 #define CV_HIST_HAS_RANGES( hist ) \
849 (((hist)->type & CV_HIST_RANGES_FLAG) != 0)
851 /****************************************************************************************\
852 * Other supplementary data type definitions *
853 \****************************************************************************************/
855 /*************************************** CvRect *****************************************/
857 typedef struct CvRect
866 CV_INLINE CvRect cvRect( int x, int y, int width, int height )
879 CV_INLINE IplROI cvRectToROI( CvRect rect, int coi )
882 roi.xOffset = rect.x;
883 roi.yOffset = rect.y;
884 roi.width = rect.width;
885 roi.height = rect.height;
892 CV_INLINE CvRect cvROIToRect( IplROI roi )
894 return cvRect( roi.xOffset, roi.yOffset, roi.width, roi.height );
897 /*********************************** CvTermCriteria *************************************/
899 #define CV_TERMCRIT_ITER 1
900 #define CV_TERMCRIT_NUMBER CV_TERMCRIT_ITER
901 #define CV_TERMCRIT_EPS 2
903 typedef struct CvTermCriteria
905 int type; /* may be combination of
913 CV_INLINE CvTermCriteria cvTermCriteria( int type, int max_iter, double epsilon )
918 t.max_iter = max_iter;
919 t.epsilon = (float)epsilon;
925 /******************************* CvPoint and variants ***********************************/
927 typedef struct CvPoint
935 CV_INLINE CvPoint cvPoint( int x, int y )
946 typedef struct CvPoint2D32f
954 CV_INLINE CvPoint2D32f cvPoint2D32f( double x, double y )
965 CV_INLINE CvPoint2D32f cvPointTo32f( CvPoint point )
967 return cvPoint2D32f( (float)point.x, (float)point.y );
971 CV_INLINE CvPoint cvPointFrom32f( CvPoint2D32f point )
974 ipt.x = cvRound(point.x);
975 ipt.y = cvRound(point.y);
981 typedef struct CvPoint3D32f
990 CV_INLINE CvPoint3D32f cvPoint3D32f( double x, double y, double z )
1002 typedef struct CvPoint2D64f
1010 CV_INLINE CvPoint2D64f cvPoint2D64f( double x, double y )
1021 typedef struct CvPoint3D64f
1030 CV_INLINE CvPoint3D64f cvPoint3D64f( double x, double y, double z )
1042 /******************************** CvSize's & CvBox **************************************/
1051 CV_INLINE CvSize cvSize( int width, int height )
1061 typedef struct CvSize2D32f
1069 CV_INLINE CvSize2D32f cvSize2D32f( double width, double height )
1073 s.width = (float)width;
1074 s.height = (float)height;
1079 typedef struct CvBox2D
1081 CvPoint2D32f center; /* Center of the box. */
1082 CvSize2D32f size; /* Box width and length. */
1083 float angle; /* Angle between the horizontal axis */
1084 /* and the first side (i.e. length) in degrees */
1089 /* Line iterator state: */
1090 typedef struct CvLineIterator
1092 /* Pointer to the current point: */
1095 /* Bresenham algorithm state: */
1106 /************************************* CvSlice ******************************************/
1108 typedef struct CvSlice
1110 int start_index, end_index;
1114 CV_INLINE CvSlice cvSlice( int start, int end )
1117 slice.start_index = start;
1118 slice.end_index = end;
1123 #define CV_WHOLE_SEQ_END_INDEX 0x3fffffff
1124 #define CV_WHOLE_SEQ cvSlice(0, CV_WHOLE_SEQ_END_INDEX)
1127 /************************************* CvScalar *****************************************/
1129 typedef struct CvScalar
1135 CV_INLINE CvScalar cvScalar( double val0, double val1 CV_DEFAULT(0),
1136 double val2 CV_DEFAULT(0), double val3 CV_DEFAULT(0))
1139 scalar.val[0] = val0; scalar.val[1] = val1;
1140 scalar.val[2] = val2; scalar.val[3] = val3;
1145 CV_INLINE CvScalar cvRealScalar( double val0 )
1148 scalar.val[0] = val0;
1149 scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
1153 CV_INLINE CvScalar cvScalarAll( double val0123 )
1156 scalar.val[0] = val0123;
1157 scalar.val[1] = val0123;
1158 scalar.val[2] = val0123;
1159 scalar.val[3] = val0123;
1163 /****************************************************************************************\
1164 * Dynamic Data structures *
1165 \****************************************************************************************/
1167 /******************************** Memory storage ****************************************/
1169 typedef struct CvMemBlock
1171 struct CvMemBlock* prev;
1172 struct CvMemBlock* next;
1176 #define CV_STORAGE_MAGIC_VAL 0x42890000
1178 typedef struct CvMemStorage
1181 CvMemBlock* bottom; /* First allocated block. */
1182 CvMemBlock* top; /* Current memory block - top of the stack. */
1183 struct CvMemStorage* parent; /* We get new blocks from parent as needed. */
1184 int block_size; /* Block size. */
1185 int free_space; /* Remaining free space in current block. */
1189 #define CV_IS_STORAGE(storage) \
1190 ((storage) != NULL && \
1191 (((CvMemStorage*)(storage))->signature & CV_MAGIC_MASK) == CV_STORAGE_MAGIC_VAL)
1194 typedef struct CvMemStoragePos
1202 /*********************************** Sequence *******************************************/
1204 typedef struct CvSeqBlock
1206 struct CvSeqBlock* prev; /* Previous sequence block. */
1207 struct CvSeqBlock* next; /* Next sequence block. */
1208 int start_index; /* Index of the first element in the block + */
1209 /* sequence->first->start_index. */
1210 int count; /* Number of elements in the block. */
1211 schar* data; /* Pointer to the first element of the block. */
1216 #define CV_TREE_NODE_FIELDS(node_type) \
1217 int flags; /* Miscellaneous flags. */ \
1218 int header_size; /* Size of sequence header. */ \
1219 struct node_type* h_prev; /* Previous sequence. */ \
1220 struct node_type* h_next; /* Next sequence. */ \
1221 struct node_type* v_prev; /* 2nd previous sequence. */ \
1222 struct node_type* v_next /* 2nd next sequence. */
1225 Read/Write sequence.
1226 Elements can be dynamically inserted to or deleted from the sequence.
1228 #define CV_SEQUENCE_FIELDS() \
1229 CV_TREE_NODE_FIELDS(CvSeq); \
1230 int total; /* Total number of elements. */ \
1231 int elem_size; /* Size of sequence element in bytes. */ \
1232 schar* block_max; /* Maximal bound of the last block. */ \
1233 schar* ptr; /* Current write pointer. */ \
1234 int delta_elems; /* Grow seq this many at a time. */ \
1235 CvMemStorage* storage; /* Where the seq is stored. */ \
1236 CvSeqBlock* free_blocks; /* Free blocks list. */ \
1237 CvSeqBlock* first; /* Pointer to the first sequence block. */
1239 typedef struct CvSeq
1241 CV_SEQUENCE_FIELDS()
1245 #define CV_TYPE_NAME_SEQ "opencv-sequence"
1246 #define CV_TYPE_NAME_SEQ_TREE "opencv-sequence-tree"
1248 /*************************************** Set ********************************************/
1251 Order is not preserved. There can be gaps between sequence elements.
1252 After the element has been inserted it stays in the same place all the time.
1253 The MSB(most-significant or sign bit) of the first field (flags) is 0 iff the element exists.
1255 #define CV_SET_ELEM_FIELDS(elem_type) \
1257 struct elem_type* next_free;
1259 typedef struct CvSetElem
1261 CV_SET_ELEM_FIELDS(CvSetElem)
1265 #define CV_SET_FIELDS() \
1266 CV_SEQUENCE_FIELDS() \
1267 CvSetElem* free_elems; \
1270 typedef struct CvSet
1277 #define CV_SET_ELEM_IDX_MASK ((1 << 26) - 1)
1278 #define CV_SET_ELEM_FREE_FLAG (1 << (sizeof(int)*8-1))
1280 /* Checks whether the element pointed by ptr belongs to a set or not */
1281 #define CV_IS_SET_ELEM( ptr ) (((CvSetElem*)(ptr))->flags >= 0)
1283 /************************************* Graph ********************************************/
1286 We represent a graph as a set of vertices.
1287 Vertices contain their adjacency lists (more exactly, pointers to first incoming or
1288 outcoming edge (or 0 if isolated vertex)). Edges are stored in another set.
1289 There is a singly-linked list of incoming/outcoming edges for each vertex.
1291 Each edge consists of
1293 o Two pointers to the starting and ending vertices
1294 (vtx[0] and vtx[1] respectively).
1296 A graph may be oriented or not. In the latter case, edges between
1297 vertex i to vertex j are not distinguished during search operations.
1299 o Two pointers to next edges for the starting and ending vertices, where
1300 next[0] points to the next edge in the vtx[0] adjacency list and
1301 next[1] points to the next edge in the vtx[1] adjacency list.
1303 #define CV_GRAPH_EDGE_FIELDS() \
1306 struct CvGraphEdge* next[2]; \
1307 struct CvGraphVtx* vtx[2];
1310 #define CV_GRAPH_VERTEX_FIELDS() \
1312 struct CvGraphEdge* first;
1315 typedef struct CvGraphEdge
1317 CV_GRAPH_EDGE_FIELDS()
1321 typedef struct CvGraphVtx
1323 CV_GRAPH_VERTEX_FIELDS()
1327 typedef struct CvGraphVtx2D
1329 CV_GRAPH_VERTEX_FIELDS()
1335 Graph is "derived" from the set (this is set a of vertices)
1336 and includes another set (edges)
1338 #define CV_GRAPH_FIELDS() \
1342 typedef struct CvGraph
1348 #define CV_TYPE_NAME_GRAPH "opencv-graph"
1350 /*********************************** Chain/Countour *************************************/
1352 typedef struct CvChain
1354 CV_SEQUENCE_FIELDS()
1359 #define CV_CONTOUR_FIELDS() \
1360 CV_SEQUENCE_FIELDS() \
1365 typedef struct CvContour
1371 typedef CvContour CvPoint2DSeq;
1373 /****************************************************************************************\
1375 \****************************************************************************************/
1377 #define CV_SEQ_MAGIC_VAL 0x42990000
1379 #define CV_IS_SEQ(seq) \
1380 ((seq) != NULL && (((CvSeq*)(seq))->flags & CV_MAGIC_MASK) == CV_SEQ_MAGIC_VAL)
1382 #define CV_SET_MAGIC_VAL 0x42980000
1383 #define CV_IS_SET(set) \
1384 ((set) != NULL && (((CvSeq*)(set))->flags & CV_MAGIC_MASK) == CV_SET_MAGIC_VAL)
1386 #define CV_SEQ_ELTYPE_BITS 9
1387 #define CV_SEQ_ELTYPE_MASK ((1 << CV_SEQ_ELTYPE_BITS) - 1)
1389 #define CV_SEQ_ELTYPE_POINT CV_32SC2 /* (x,y) */
1390 #define CV_SEQ_ELTYPE_CODE CV_8UC1 /* freeman code: 0..7 */
1391 #define CV_SEQ_ELTYPE_GENERIC 0
1392 #define CV_SEQ_ELTYPE_PTR CV_USRTYPE1
1393 #define CV_SEQ_ELTYPE_PPOINT CV_SEQ_ELTYPE_PTR /* &(x,y) */
1394 #define CV_SEQ_ELTYPE_INDEX CV_32SC1 /* #(x,y) */
1395 #define CV_SEQ_ELTYPE_GRAPH_EDGE 0 /* &next_o, &next_d, &vtx_o, &vtx_d */
1396 #define CV_SEQ_ELTYPE_GRAPH_VERTEX 0 /* first_edge, &(x,y) */
1397 #define CV_SEQ_ELTYPE_TRIAN_ATR 0 /* vertex of the binary tree */
1398 #define CV_SEQ_ELTYPE_CONNECTED_COMP 0 /* connected component */
1399 #define CV_SEQ_ELTYPE_POINT3D CV_32FC3 /* (x,y,z) */
1401 #define CV_SEQ_KIND_BITS 3
1402 #define CV_SEQ_KIND_MASK (((1 << CV_SEQ_KIND_BITS) - 1)<<CV_SEQ_ELTYPE_BITS)
1404 /* types of sequences */
1405 #define CV_SEQ_KIND_GENERIC (0 << CV_SEQ_ELTYPE_BITS)
1406 #define CV_SEQ_KIND_CURVE (1 << CV_SEQ_ELTYPE_BITS)
1407 #define CV_SEQ_KIND_BIN_TREE (2 << CV_SEQ_ELTYPE_BITS)
1409 /* types of sparse sequences (sets) */
1410 #define CV_SEQ_KIND_GRAPH (3 << CV_SEQ_ELTYPE_BITS)
1411 #define CV_SEQ_KIND_SUBDIV2D (4 << CV_SEQ_ELTYPE_BITS)
1413 #define CV_SEQ_FLAG_SHIFT (CV_SEQ_KIND_BITS + CV_SEQ_ELTYPE_BITS)
1415 /* flags for curves */
1416 #define CV_SEQ_FLAG_CLOSED (1 << CV_SEQ_FLAG_SHIFT)
1417 #define CV_SEQ_FLAG_SIMPLE (2 << CV_SEQ_FLAG_SHIFT)
1418 #define CV_SEQ_FLAG_CONVEX (4 << CV_SEQ_FLAG_SHIFT)
1419 #define CV_SEQ_FLAG_HOLE (8 << CV_SEQ_FLAG_SHIFT)
1421 /* flags for graphs */
1422 #define CV_GRAPH_FLAG_ORIENTED (1 << CV_SEQ_FLAG_SHIFT)
1424 #define CV_GRAPH CV_SEQ_KIND_GRAPH
1425 #define CV_ORIENTED_GRAPH (CV_SEQ_KIND_GRAPH|CV_GRAPH_FLAG_ORIENTED)
1428 #define CV_SEQ_POINT_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT)
1429 #define CV_SEQ_POINT3D_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT3D)
1430 #define CV_SEQ_POLYLINE (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_POINT)
1431 #define CV_SEQ_POLYGON (CV_SEQ_FLAG_CLOSED | CV_SEQ_POLYLINE )
1432 #define CV_SEQ_CONTOUR CV_SEQ_POLYGON
1433 #define CV_SEQ_SIMPLE_POLYGON (CV_SEQ_FLAG_SIMPLE | CV_SEQ_POLYGON )
1435 /* chain-coded curves */
1436 #define CV_SEQ_CHAIN (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_CODE)
1437 #define CV_SEQ_CHAIN_CONTOUR (CV_SEQ_FLAG_CLOSED | CV_SEQ_CHAIN)
1439 /* binary tree for the contour */
1440 #define CV_SEQ_POLYGON_TREE (CV_SEQ_KIND_BIN_TREE | CV_SEQ_ELTYPE_TRIAN_ATR)
1442 /* sequence of the connected components */
1443 #define CV_SEQ_CONNECTED_COMP (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_CONNECTED_COMP)
1445 /* sequence of the integer numbers */
1446 #define CV_SEQ_INDEX (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_INDEX)
1448 #define CV_SEQ_ELTYPE( seq ) ((seq)->flags & CV_SEQ_ELTYPE_MASK)
1449 #define CV_SEQ_KIND( seq ) ((seq)->flags & CV_SEQ_KIND_MASK )
1452 #define CV_IS_SEQ_INDEX( seq ) ((CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_INDEX) && \
1453 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_GENERIC))
1455 #define CV_IS_SEQ_CURVE( seq ) (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE)
1456 #define CV_IS_SEQ_CLOSED( seq ) (((seq)->flags & CV_SEQ_FLAG_CLOSED) != 0)
1457 #define CV_IS_SEQ_CONVEX( seq ) (((seq)->flags & CV_SEQ_FLAG_CONVEX) != 0)
1458 #define CV_IS_SEQ_HOLE( seq ) (((seq)->flags & CV_SEQ_FLAG_HOLE) != 0)
1459 #define CV_IS_SEQ_SIMPLE( seq ) ((((seq)->flags & CV_SEQ_FLAG_SIMPLE) != 0) || \
1460 CV_IS_SEQ_CONVEX(seq))
1462 /* type checking macros */
1463 #define CV_IS_SEQ_POINT_SET( seq ) \
1464 ((CV_SEQ_ELTYPE(seq) == CV_32SC2 || CV_SEQ_ELTYPE(seq) == CV_32FC2))
1466 #define CV_IS_SEQ_POINT_SUBSET( seq ) \
1467 (CV_IS_SEQ_INDEX( seq ) || CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_PPOINT)
1469 #define CV_IS_SEQ_POLYLINE( seq ) \
1470 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && CV_IS_SEQ_POINT_SET(seq))
1472 #define CV_IS_SEQ_POLYGON( seq ) \
1473 (CV_IS_SEQ_POLYLINE(seq) && CV_IS_SEQ_CLOSED(seq))
1475 #define CV_IS_SEQ_CHAIN( seq ) \
1476 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && (seq)->elem_size == 1)
1478 #define CV_IS_SEQ_CONTOUR( seq ) \
1479 (CV_IS_SEQ_CLOSED(seq) && (CV_IS_SEQ_POLYLINE(seq) || CV_IS_SEQ_CHAIN(seq)))
1481 #define CV_IS_SEQ_CHAIN_CONTOUR( seq ) \
1482 (CV_IS_SEQ_CHAIN( seq ) && CV_IS_SEQ_CLOSED( seq ))
1484 #define CV_IS_SEQ_POLYGON_TREE( seq ) \
1485 (CV_SEQ_ELTYPE (seq) == CV_SEQ_ELTYPE_TRIAN_ATR && \
1486 CV_SEQ_KIND( seq ) == CV_SEQ_KIND_BIN_TREE )
1488 #define CV_IS_GRAPH( seq ) \
1489 (CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_GRAPH)
1491 #define CV_IS_GRAPH_ORIENTED( seq ) \
1492 (((seq)->flags & CV_GRAPH_FLAG_ORIENTED) != 0)
1494 #define CV_IS_SUBDIV2D( seq ) \
1495 (CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_SUBDIV2D)
1497 /****************************************************************************************/
1498 /* Sequence writer & reader */
1499 /****************************************************************************************/
1501 #define CV_SEQ_WRITER_FIELDS() \
1503 CvSeq* seq; /* the sequence written */ \
1504 CvSeqBlock* block; /* current block */ \
1505 schar* ptr; /* pointer to free space */ \
1506 schar* block_min; /* pointer to the beginning of block*/\
1507 schar* block_max; /* pointer to the end of block */
1509 typedef struct CvSeqWriter
1511 CV_SEQ_WRITER_FIELDS()
1516 #define CV_SEQ_READER_FIELDS() \
1518 CvSeq* seq; /* sequence, beign read */ \
1519 CvSeqBlock* block; /* current block */ \
1520 schar* ptr; /* pointer to element be read next */ \
1521 schar* block_min; /* pointer to the beginning of block */\
1522 schar* block_max; /* pointer to the end of block */ \
1523 int delta_index;/* = seq->first->start_index */ \
1524 schar* prev_elem; /* pointer to previous element */
1527 typedef struct CvSeqReader
1529 CV_SEQ_READER_FIELDS()
1533 /****************************************************************************************/
1534 /* Operations on sequences */
1535 /****************************************************************************************/
1537 #define CV_SEQ_ELEM( seq, elem_type, index ) \
1538 /* assert gives some guarantee that <seq> parameter is valid */ \
1539 ( assert(sizeof((seq)->first[0]) == sizeof(CvSeqBlock) && \
1540 (seq)->elem_size == sizeof(elem_type)), \
1541 (elem_type*)((seq)->first && (unsigned)index < \
1542 (unsigned)((seq)->first->count) ? \
1543 (seq)->first->data + (index) * sizeof(elem_type) : \
1544 cvGetSeqElem( (CvSeq*)(seq), (index) )))
1545 #define CV_GET_SEQ_ELEM( elem_type, seq, index ) CV_SEQ_ELEM( (seq), elem_type, (index) )
1547 /* Add element to sequence: */
1548 #define CV_WRITE_SEQ_ELEM_VAR( elem_ptr, writer ) \
1550 if( (writer).ptr >= (writer).block_max ) \
1552 cvCreateSeqBlock( &writer); \
1554 memcpy((writer).ptr, elem_ptr, (writer).seq->elem_size);\
1555 (writer).ptr += (writer).seq->elem_size; \
1558 #define CV_WRITE_SEQ_ELEM( elem, writer ) \
1560 assert( (writer).seq->elem_size == sizeof(elem)); \
1561 if( (writer).ptr >= (writer).block_max ) \
1563 cvCreateSeqBlock( &writer); \
1565 assert( (writer).ptr <= (writer).block_max - sizeof(elem));\
1566 memcpy((writer).ptr, &(elem), sizeof(elem)); \
1567 (writer).ptr += sizeof(elem); \
1571 /* Move reader position forward: */
1572 #define CV_NEXT_SEQ_ELEM( elem_size, reader ) \
1574 if( ((reader).ptr += (elem_size)) >= (reader).block_max ) \
1576 cvChangeSeqBlock( &(reader), 1 ); \
1581 /* Move reader position backward: */
1582 #define CV_PREV_SEQ_ELEM( elem_size, reader ) \
1584 if( ((reader).ptr -= (elem_size)) < (reader).block_min ) \
1586 cvChangeSeqBlock( &(reader), -1 ); \
1590 /* Read element and move read position forward: */
1591 #define CV_READ_SEQ_ELEM( elem, reader ) \
1593 assert( (reader).seq->elem_size == sizeof(elem)); \
1594 memcpy( &(elem), (reader).ptr, sizeof((elem))); \
1595 CV_NEXT_SEQ_ELEM( sizeof(elem), reader ) \
1598 /* Read element and move read position backward: */
1599 #define CV_REV_READ_SEQ_ELEM( elem, reader ) \
1601 assert( (reader).seq->elem_size == sizeof(elem)); \
1602 memcpy(&(elem), (reader).ptr, sizeof((elem))); \
1603 CV_PREV_SEQ_ELEM( sizeof(elem), reader ) \
1607 #define CV_READ_CHAIN_POINT( _pt, reader ) \
1609 (_pt) = (reader).pt; \
1610 if( (reader).ptr ) \
1612 CV_READ_SEQ_ELEM( (reader).code, (reader)); \
1613 assert( ((reader).code & ~7) == 0 ); \
1614 (reader).pt.x += (reader).deltas[(int)(reader).code][0]; \
1615 (reader).pt.y += (reader).deltas[(int)(reader).code][1]; \
1619 #define CV_CURRENT_POINT( reader ) (*((CvPoint*)((reader).ptr)))
1620 #define CV_PREV_POINT( reader ) (*((CvPoint*)((reader).prev_elem)))
1622 #define CV_READ_EDGE( pt1, pt2, reader ) \
1624 assert( sizeof(pt1) == sizeof(CvPoint) && \
1625 sizeof(pt2) == sizeof(CvPoint) && \
1626 reader.seq->elem_size == sizeof(CvPoint)); \
1627 (pt1) = CV_PREV_POINT( reader ); \
1628 (pt2) = CV_CURRENT_POINT( reader ); \
1629 (reader).prev_elem = (reader).ptr; \
1630 CV_NEXT_SEQ_ELEM( sizeof(CvPoint), (reader)); \
1633 /************ Graph macros ************/
1635 /* Return next graph edge for given vertex: */
1636 #define CV_NEXT_GRAPH_EDGE( edge, vertex ) \
1637 (assert((edge)->vtx[0] == (vertex) || (edge)->vtx[1] == (vertex)), \
1638 (edge)->next[(edge)->vtx[1] == (vertex)])
1642 /****************************************************************************************\
1643 * Data structures for persistence (a.k.a serialization) functionality *
1644 \****************************************************************************************/
1646 /* "black box" file storage */
1647 typedef struct CvFileStorage CvFileStorage;
1649 /* Storage flags: */
1650 #define CV_STORAGE_READ 0
1651 #define CV_STORAGE_WRITE 1
1652 #define CV_STORAGE_WRITE_TEXT CV_STORAGE_WRITE
1653 #define CV_STORAGE_WRITE_BINARY CV_STORAGE_WRITE
1654 #define CV_STORAGE_APPEND 2
1656 /* List of attributes: */
1657 typedef struct CvAttrList
1659 const char** attr; /* NULL-terminated array of (attribute_name,attribute_value) pairs. */
1660 struct CvAttrList* next; /* Pointer to next chunk of the attributes list. */
1664 CV_INLINE CvAttrList cvAttrList( const char** attr CV_DEFAULT(NULL),
1665 CvAttrList* next CV_DEFAULT(NULL) )
1676 #define CV_NODE_NONE 0
1677 #define CV_NODE_INT 1
1678 #define CV_NODE_INTEGER CV_NODE_INT
1679 #define CV_NODE_REAL 2
1680 #define CV_NODE_FLOAT CV_NODE_REAL
1681 #define CV_NODE_STR 3
1682 #define CV_NODE_STRING CV_NODE_STR
1683 #define CV_NODE_REF 4 /* not used */
1684 #define CV_NODE_SEQ 5
1685 #define CV_NODE_MAP 6
1686 #define CV_NODE_TYPE_MASK 7
1688 #define CV_NODE_TYPE(flags) ((flags) & CV_NODE_TYPE_MASK)
1690 /* file node flags */
1691 #define CV_NODE_FLOW 8 /* Used only for writing structures in YAML format. */
1692 #define CV_NODE_USER 16
1693 #define CV_NODE_EMPTY 32
1694 #define CV_NODE_NAMED 64
1696 #define CV_NODE_IS_INT(flags) (CV_NODE_TYPE(flags) == CV_NODE_INT)
1697 #define CV_NODE_IS_REAL(flags) (CV_NODE_TYPE(flags) == CV_NODE_REAL)
1698 #define CV_NODE_IS_STRING(flags) (CV_NODE_TYPE(flags) == CV_NODE_STRING)
1699 #define CV_NODE_IS_SEQ(flags) (CV_NODE_TYPE(flags) == CV_NODE_SEQ)
1700 #define CV_NODE_IS_MAP(flags) (CV_NODE_TYPE(flags) == CV_NODE_MAP)
1701 #define CV_NODE_IS_COLLECTION(flags) (CV_NODE_TYPE(flags) >= CV_NODE_SEQ)
1702 #define CV_NODE_IS_FLOW(flags) (((flags) & CV_NODE_FLOW) != 0)
1703 #define CV_NODE_IS_EMPTY(flags) (((flags) & CV_NODE_EMPTY) != 0)
1704 #define CV_NODE_IS_USER(flags) (((flags) & CV_NODE_USER) != 0)
1705 #define CV_NODE_HAS_NAME(flags) (((flags) & CV_NODE_NAMED) != 0)
1707 #define CV_NODE_SEQ_SIMPLE 256
1708 #define CV_NODE_SEQ_IS_SIMPLE(seq) (((seq)->flags & CV_NODE_SEQ_SIMPLE) != 0)
1710 typedef struct CvString
1717 /* All the keys (names) of elements in the readed file storage
1718 are stored in the hash to speed up the lookup operations: */
1719 typedef struct CvStringHashNode
1723 struct CvStringHashNode* next;
1727 typedef struct CvGenericHash CvFileNodeHash;
1729 /* Basic element of the file storage - scalar or collection: */
1730 typedef struct CvFileNode
1733 struct CvTypeInfo* info; /* type information
1734 (only for user-defined object, for others it is 0) */
1737 double f; /* scalar floating-point number */
1738 int i; /* scalar integer number */
1739 CvString str; /* text string */
1740 CvSeq* seq; /* sequence (ordered collection of file nodes) */
1741 CvFileNodeHash* map; /* map (collection of named file nodes) */
1749 typedef int (CV_CDECL *CvIsInstanceFunc)( const void* struct_ptr );
1750 typedef void (CV_CDECL *CvReleaseFunc)( void** struct_dblptr );
1751 typedef void* (CV_CDECL *CvReadFunc)( CvFileStorage* storage, CvFileNode* node );
1752 typedef void (CV_CDECL *CvWriteFunc)( CvFileStorage* storage, const char* name,
1753 const void* struct_ptr, CvAttrList attributes );
1754 typedef void* (CV_CDECL *CvCloneFunc)( const void* struct_ptr );
1759 typedef struct CvTypeInfo
1763 struct CvTypeInfo* prev;
1764 struct CvTypeInfo* next;
1765 const char* type_name;
1766 CvIsInstanceFunc is_instance;
1767 CvReleaseFunc release;
1775 /**** System data types ******/
1777 typedef struct CvPluginFuncInfo
1780 void* default_func_addr;
1781 const char* func_names;
1787 typedef struct CvModuleInfo
1789 struct CvModuleInfo* next;
1791 const char* version;
1792 CvPluginFuncInfo* func_tab;
1796 #endif /*_CXCORE_TYPES_H_*/