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11 // For Open Source Computer Vision Library
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43 #ifndef __OPENCV_CORE_TYPES_H__
44 #define __OPENCV_CORE_TYPES_H__
46 #if !defined _CRT_SECURE_NO_DEPRECATE && defined _MSC_VER
48 # define _CRT_SECURE_NO_DEPRECATE /* to avoid multiple Visual Studio 2005 warnings */
60 #if !defined _MSC_VER && !defined __BORLANDC__
72 #elif defined __INTEL_COMPILER
73 # define CV_ICC __INTEL_COMPILER
76 #if defined CV_ICC && !defined CV_ENABLE_UNROLLED
77 # define CV_ENABLE_UNROLLED 0
79 # define CV_ENABLE_UNROLLED 1
82 #if (defined _M_X64 && defined _MSC_VER && _MSC_VER >= 1400) || (__GNUC__ >= 4 && defined __x86_64__)
86 # if defined __SSE2__ || !defined __GNUC__
87 # include <emmintrin.h>
91 #if defined __BORLANDC__
92 # include <fastmath.h>
99 # if defined WIN32 || defined _WIN32
102 # include <ipl/ipl.h>
105 #elif defined __IPL_H__
109 #endif // SKIP_INCLUDES
111 #if defined WIN32 || defined _WIN32
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 _MSC_VER
141 # define CV_INLINE __inline
143 # define CV_INLINE static
145 #endif /* CV_INLINE */
147 #if (defined WIN32 || defined _WIN32 || 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;
160 # define CV_BIG_INT(n) n##I64
161 # define CV_BIG_UINT(n) n##UI64
163 typedef int64_t int64;
164 typedef uint64_t uint64;
165 # define CV_BIG_INT(n) n##LL
166 # define CV_BIG_UINT(n) n##ULL
170 typedef unsigned char uchar;
171 typedef unsigned short ushort;
174 typedef signed char schar;
176 /* special informative macros for wrapper generators */
177 #define CV_CARRAY(counter)
178 #define CV_CUSTOM_CARRAY(args)
179 #define CV_EXPORTS_W CV_EXPORTS
180 #define CV_EXPORTS_W_SIMPLE CV_EXPORTS
181 #define CV_EXPORTS_AS(synonym) CV_EXPORTS
182 #define CV_EXPORTS_W_MAP CV_EXPORTS
188 #define CV_WRAP_AS(synonym)
189 #define CV_WRAP_DEFAULT(value)
191 /* CvArr* is used to pass arbitrary
192 * array-like data structures
193 * into functions where the particular
194 * array type is recognized at runtime:
198 typedef union Cv32suf
206 typedef union Cv64suf
214 typedef int CVStatus;
217 CV_StsOk= 0, /* everithing is ok */
218 CV_StsBackTrace= -1, /* pseudo error for back trace */
219 CV_StsError= -2, /* unknown /unspecified error */
220 CV_StsInternal= -3, /* internal error (bad state) */
221 CV_StsNoMem= -4, /* insufficient memory */
222 CV_StsBadArg= -5, /* function arg/param is bad */
223 CV_StsBadFunc= -6, /* unsupported function */
224 CV_StsNoConv= -7, /* iter. didn't converge */
225 CV_StsAutoTrace= -8, /* tracing */
226 CV_HeaderIsNull= -9, /* image header is NULL */
227 CV_BadImageSize= -10, /* image size is invalid */
228 CV_BadOffset= -11, /* offset is invalid */
229 CV_BadDataPtr= -12, /**/
230 CV_BadStep= -13, /**/
231 CV_BadModelOrChSeq= -14, /**/
232 CV_BadNumChannels= -15, /**/
233 CV_BadNumChannel1U= -16, /**/
234 CV_BadDepth= -17, /**/
235 CV_BadAlphaChannel= -18, /**/
236 CV_BadOrder= -19, /**/
237 CV_BadOrigin= -20, /**/
238 CV_BadAlign= -21, /**/
239 CV_BadCallBack= -22, /**/
240 CV_BadTileSize= -23, /**/
242 CV_BadROISize= -25, /**/
243 CV_MaskIsTiled= -26, /**/
244 CV_StsNullPtr= -27, /* null pointer */
245 CV_StsVecLengthErr= -28, /* incorrect vector length */
246 CV_StsFilterStructContentErr= -29, /* incorr. filter structure content */
247 CV_StsKernelStructContentErr= -30, /* incorr. transform kernel content */
248 CV_StsFilterOffsetErr= -31, /* incorrect filter ofset value */
249 CV_StsBadSize= -201, /* the input/output structure size is incorrect */
250 CV_StsDivByZero= -202, /* division by zero */
251 CV_StsInplaceNotSupported= -203, /* in-place operation is not supported */
252 CV_StsObjectNotFound= -204, /* request can't be completed */
253 CV_StsUnmatchedFormats= -205, /* formats of input/output arrays differ */
254 CV_StsBadFlag= -206, /* flag is wrong or not supported */
255 CV_StsBadPoint= -207, /* bad CvPoint */
256 CV_StsBadMask= -208, /* bad format of mask (neither 8uC1 nor 8sC1)*/
257 CV_StsUnmatchedSizes= -209, /* sizes of input/output structures do not match */
258 CV_StsUnsupportedFormat= -210, /* the data format/type is not supported by the function*/
259 CV_StsOutOfRange= -211, /* some of parameters are out of range */
260 CV_StsParseError= -212, /* invalid syntax/structure of the parsed file */
261 CV_StsNotImplemented= -213, /* the requested function/feature is not implemented */
262 CV_StsBadMemBlock= -214, /* an allocated block has been corrupted */
263 CV_StsAssert= -215, /* assertion failed */
264 CV_GpuNotSupported= -216,
265 CV_GpuApiCallError= -217,
266 CV_OpenGlNotSupported= -218,
267 CV_OpenGlApiCallError= -219
270 /****************************************************************************************\
271 * Common macros and inline functions *
272 \****************************************************************************************/
274 #ifdef HAVE_TEGRA_OPTIMIZATION
275 # include "tegra_round.hpp"
278 #define CV_PI 3.1415926535897932384626433832795
279 #define CV_LOG2 0.69314718055994530941723212145818
281 #define CV_SWAP(a,b,t) ((t) = (a), (a) = (b), (b) = (t))
284 # define MIN(a,b) ((a) > (b) ? (b) : (a))
288 # define MAX(a,b) ((a) < (b) ? (b) : (a))
291 /* min & max without jumps */
292 #define CV_IMIN(a, b) ((a) ^ (((a)^(b)) & (((a) < (b)) - 1)))
294 #define CV_IMAX(a, b) ((a) ^ (((a)^(b)) & (((a) > (b)) - 1)))
296 /* absolute value without jumps */
298 # define CV_IABS(a) (((a) ^ ((a) < 0 ? -1 : 0)) - ((a) < 0 ? -1 : 0))
300 # define CV_IABS(a) abs(a)
302 #define CV_CMP(a,b) (((a) > (b)) - ((a) < (b)))
303 #define CV_SIGN(a) CV_CMP((a),0)
305 CV_INLINE int cvRound( double value )
307 #if (defined _MSC_VER && defined _M_X64) || (defined __GNUC__ && defined __x86_64__ && defined __SSE2__ && !defined __APPLE__)
308 __m128d t = _mm_set_sd( value );
309 return _mm_cvtsd_si32(t);
310 #elif defined _MSC_VER && defined _M_IX86
318 #elif defined _MSC_VER && defined _M_ARM && defined HAVE_TEGRA_OPTIMIZATION
320 #elif defined CV_ICC || defined __GNUC__
321 # ifdef HAVE_TEGRA_OPTIMIZATION
324 return (int)lrint(value);
327 double intpart, fractpart;
328 fractpart = modf(value, &intpart);
329 if ((fabs(fractpart) != 0.5) || ((((int)intpart) % 2) != 0))
330 return (int)(value + (value >= 0 ? 0.5 : -0.5));
336 #if defined __SSE2__ || (defined _M_IX86_FP && 2 == _M_IX86_FP)
337 # include "emmintrin.h"
340 CV_INLINE int cvFloor( double value )
342 #if defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__ && !defined __APPLE__)
343 __m128d t = _mm_set_sd( value );
344 int i = _mm_cvtsd_si32(t);
345 return i - _mm_movemask_pd(_mm_cmplt_sd(t, _mm_cvtsi32_sd(t,i)));
346 #elif defined __GNUC__
348 return i - (i > value);
350 int i = cvRound(value);
351 float diff = (float)(value - i);
352 return i - (diff < 0);
357 CV_INLINE int cvCeil( double value )
359 #if defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__&& !defined __APPLE__)
360 __m128d t = _mm_set_sd( value );
361 int i = _mm_cvtsd_si32(t);
362 return i + _mm_movemask_pd(_mm_cmplt_sd(_mm_cvtsi32_sd(t,i), t));
363 #elif defined __GNUC__
365 return i + (i < value);
367 int i = cvRound(value);
368 float diff = (float)(i - value);
369 return i + (diff < 0);
373 #define cvInvSqrt(value) ((float)(1./sqrt(value)))
374 #define cvSqrt(value) ((float)sqrt(value))
376 CV_INLINE int cvIsNaN( double value )
380 return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) +
381 ((unsigned)ieee754.u != 0) > 0x7ff00000;
385 CV_INLINE int cvIsInf( double value )
389 return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) == 0x7ff00000 &&
390 (unsigned)ieee754.u == 0;
394 /*************** Random number generation *******************/
396 typedef uint64 CvRNG;
398 #define CV_RNG_COEFF 4164903690U
400 CV_INLINE CvRNG cvRNG( int64 seed CV_DEFAULT(-1))
402 CvRNG rng = seed ? (uint64)seed : (uint64)(int64)-1;
406 /* Return random 32-bit unsigned integer: */
407 CV_INLINE unsigned cvRandInt( CvRNG* rng )
410 temp = (uint64)(unsigned)temp*CV_RNG_COEFF + (temp >> 32);
412 return (unsigned)temp;
415 /* Returns random floating-point number between 0 and 1: */
416 CV_INLINE double cvRandReal( CvRNG* rng )
418 return cvRandInt(rng)*2.3283064365386962890625e-10 /* 2^-32 */;
421 /****************************************************************************************\
422 * Image type (IplImage) *
423 \****************************************************************************************/
428 * The following definitions (until #endif)
429 * is an extract from IPL headers.
430 * Copyright (c) 1995 Intel Corporation.
432 #define IPL_DEPTH_SIGN 0x80000000
434 #define IPL_DEPTH_1U 1
435 #define IPL_DEPTH_8U 8
436 #define IPL_DEPTH_16U 16
437 #define IPL_DEPTH_32F 32
439 #define IPL_DEPTH_8S (IPL_DEPTH_SIGN| 8)
440 #define IPL_DEPTH_16S (IPL_DEPTH_SIGN|16)
441 #define IPL_DEPTH_32S (IPL_DEPTH_SIGN|32)
443 #define IPL_DATA_ORDER_PIXEL 0
444 #define IPL_DATA_ORDER_PLANE 1
446 #define IPL_ORIGIN_TL 0
447 #define IPL_ORIGIN_BL 1
449 #define IPL_ALIGN_4BYTES 4
450 #define IPL_ALIGN_8BYTES 8
451 #define IPL_ALIGN_16BYTES 16
452 #define IPL_ALIGN_32BYTES 32
454 #define IPL_ALIGN_DWORD IPL_ALIGN_4BYTES
455 #define IPL_ALIGN_QWORD IPL_ALIGN_8BYTES
457 #define IPL_BORDER_CONSTANT 0
458 #define IPL_BORDER_REPLICATE 1
459 #define IPL_BORDER_REFLECT 2
460 #define IPL_BORDER_WRAP 3
462 typedef struct _IplImage
464 int nSize; /* sizeof(IplImage) */
465 int ID; /* version (=0)*/
466 int nChannels; /* Most of OpenCV functions support 1,2,3 or 4 channels */
467 int alphaChannel; /* Ignored by OpenCV */
468 int depth; /* Pixel depth in bits: IPL_DEPTH_8U, IPL_DEPTH_8S, IPL_DEPTH_16S,
469 IPL_DEPTH_32S, IPL_DEPTH_32F and IPL_DEPTH_64F are supported. */
470 char colorModel[4]; /* Ignored by OpenCV */
471 char channelSeq[4]; /* ditto */
472 int dataOrder; /* 0 - interleaved color channels, 1 - separate color channels.
473 cvCreateImage can only create interleaved images */
474 int origin; /* 0 - top-left origin,
475 1 - bottom-left origin (Windows bitmaps style). */
476 int align; /* Alignment of image rows (4 or 8).
477 OpenCV ignores it and uses widthStep instead. */
478 int width; /* Image width in pixels. */
479 int height; /* Image height in pixels. */
480 struct _IplROI *roi; /* Image ROI. If NULL, the whole image is selected. */
481 struct _IplImage *maskROI; /* Must be NULL. */
482 void *imageId; /* " " */
483 struct _IplTileInfo *tileInfo; /* " " */
484 int imageSize; /* Image data size in bytes
485 (==image->height*image->widthStep
486 in case of interleaved data)*/
487 char *imageData; /* Pointer to aligned image data. */
488 int widthStep; /* Size of aligned image row in bytes. */
489 int BorderMode[4]; /* Ignored by OpenCV. */
490 int BorderConst[4]; /* Ditto. */
491 char *imageDataOrigin; /* Pointer to very origin of image data
492 (not necessarily aligned) -
493 needed for correct deallocation */
497 typedef struct _IplTileInfo IplTileInfo;
499 typedef struct _IplROI
501 int coi; /* 0 - no COI (all channels are selected), 1 - 0th channel is selected ...*/
509 typedef struct _IplConvKernel
520 typedef struct _IplConvKernelFP
530 #define IPL_IMAGE_HEADER 1
531 #define IPL_IMAGE_DATA 2
532 #define IPL_IMAGE_ROI 4
536 /* extra border mode */
537 #define IPL_BORDER_REFLECT_101 4
538 #define IPL_BORDER_TRANSPARENT 5
540 #define IPL_IMAGE_MAGIC_VAL ((int)sizeof(IplImage))
541 #define CV_TYPE_NAME_IMAGE "opencv-image"
543 #define CV_IS_IMAGE_HDR(img) \
544 ((img) != NULL && ((const IplImage*)(img))->nSize == sizeof(IplImage))
546 #define CV_IS_IMAGE(img) \
547 (CV_IS_IMAGE_HDR(img) && ((IplImage*)img)->imageData != NULL)
549 /* for storing double-precision
550 floating point data in IplImage's */
551 #define IPL_DEPTH_64F 64
553 /* get reference to pixel at (col,row),
554 for multi-channel images (col) should be multiplied by number of channels */
555 #define CV_IMAGE_ELEM( image, elemtype, row, col ) \
556 (((elemtype*)((image)->imageData + (image)->widthStep*(row)))[(col)])
558 /****************************************************************************************\
559 * Matrix type (CvMat) *
560 \****************************************************************************************/
562 #define CV_CN_MAX 512
563 #define CV_CN_SHIFT 3
564 #define CV_DEPTH_MAX (1 << CV_CN_SHIFT)
573 #define CV_USRTYPE1 7
575 #define CV_MAT_DEPTH_MASK (CV_DEPTH_MAX - 1)
576 #define CV_MAT_DEPTH(flags) ((flags) & CV_MAT_DEPTH_MASK)
578 #define CV_MAKETYPE(depth,cn) (CV_MAT_DEPTH(depth) + (((cn)-1) << CV_CN_SHIFT))
579 #define CV_MAKE_TYPE CV_MAKETYPE
581 #define CV_8UC1 CV_MAKETYPE(CV_8U,1)
582 #define CV_8UC2 CV_MAKETYPE(CV_8U,2)
583 #define CV_8UC3 CV_MAKETYPE(CV_8U,3)
584 #define CV_8UC4 CV_MAKETYPE(CV_8U,4)
585 #define CV_8UC(n) CV_MAKETYPE(CV_8U,(n))
587 #define CV_8SC1 CV_MAKETYPE(CV_8S,1)
588 #define CV_8SC2 CV_MAKETYPE(CV_8S,2)
589 #define CV_8SC3 CV_MAKETYPE(CV_8S,3)
590 #define CV_8SC4 CV_MAKETYPE(CV_8S,4)
591 #define CV_8SC(n) CV_MAKETYPE(CV_8S,(n))
593 #define CV_16UC1 CV_MAKETYPE(CV_16U,1)
594 #define CV_16UC2 CV_MAKETYPE(CV_16U,2)
595 #define CV_16UC3 CV_MAKETYPE(CV_16U,3)
596 #define CV_16UC4 CV_MAKETYPE(CV_16U,4)
597 #define CV_16UC(n) CV_MAKETYPE(CV_16U,(n))
599 #define CV_16SC1 CV_MAKETYPE(CV_16S,1)
600 #define CV_16SC2 CV_MAKETYPE(CV_16S,2)
601 #define CV_16SC3 CV_MAKETYPE(CV_16S,3)
602 #define CV_16SC4 CV_MAKETYPE(CV_16S,4)
603 #define CV_16SC(n) CV_MAKETYPE(CV_16S,(n))
605 #define CV_32SC1 CV_MAKETYPE(CV_32S,1)
606 #define CV_32SC2 CV_MAKETYPE(CV_32S,2)
607 #define CV_32SC3 CV_MAKETYPE(CV_32S,3)
608 #define CV_32SC4 CV_MAKETYPE(CV_32S,4)
609 #define CV_32SC(n) CV_MAKETYPE(CV_32S,(n))
611 #define CV_32FC1 CV_MAKETYPE(CV_32F,1)
612 #define CV_32FC2 CV_MAKETYPE(CV_32F,2)
613 #define CV_32FC3 CV_MAKETYPE(CV_32F,3)
614 #define CV_32FC4 CV_MAKETYPE(CV_32F,4)
615 #define CV_32FC(n) CV_MAKETYPE(CV_32F,(n))
617 #define CV_64FC1 CV_MAKETYPE(CV_64F,1)
618 #define CV_64FC2 CV_MAKETYPE(CV_64F,2)
619 #define CV_64FC3 CV_MAKETYPE(CV_64F,3)
620 #define CV_64FC4 CV_MAKETYPE(CV_64F,4)
621 #define CV_64FC(n) CV_MAKETYPE(CV_64F,(n))
623 #define CV_AUTO_STEP 0x7fffffff
624 #define CV_WHOLE_ARR cvSlice( 0, 0x3fffffff )
626 #define CV_MAT_CN_MASK ((CV_CN_MAX - 1) << CV_CN_SHIFT)
627 #define CV_MAT_CN(flags) ((((flags) & CV_MAT_CN_MASK) >> CV_CN_SHIFT) + 1)
628 #define CV_MAT_TYPE_MASK (CV_DEPTH_MAX*CV_CN_MAX - 1)
629 #define CV_MAT_TYPE(flags) ((flags) & CV_MAT_TYPE_MASK)
630 #define CV_MAT_CONT_FLAG_SHIFT 14
631 #define CV_MAT_CONT_FLAG (1 << CV_MAT_CONT_FLAG_SHIFT)
632 #define CV_IS_MAT_CONT(flags) ((flags) & CV_MAT_CONT_FLAG)
633 #define CV_IS_CONT_MAT CV_IS_MAT_CONT
634 #define CV_SUBMAT_FLAG_SHIFT 15
635 #define CV_SUBMAT_FLAG (1 << CV_SUBMAT_FLAG_SHIFT)
636 #define CV_IS_SUBMAT(flags) ((flags) & CV_MAT_SUBMAT_FLAG)
638 #define CV_MAGIC_MASK 0xFFFF0000
639 #define CV_MAT_MAGIC_VAL 0x42420000
640 #define CV_TYPE_NAME_MAT "opencv-matrix"
647 /* for internal use only */
681 #define CV_IS_MAT_HDR(mat) \
683 (((const CvMat*)(mat))->type & CV_MAGIC_MASK) == CV_MAT_MAGIC_VAL && \
684 ((const CvMat*)(mat))->cols > 0 && ((const CvMat*)(mat))->rows > 0)
686 #define CV_IS_MAT_HDR_Z(mat) \
688 (((const CvMat*)(mat))->type & CV_MAGIC_MASK) == CV_MAT_MAGIC_VAL && \
689 ((const CvMat*)(mat))->cols >= 0 && ((const CvMat*)(mat))->rows >= 0)
691 #define CV_IS_MAT(mat) \
692 (CV_IS_MAT_HDR(mat) && ((const CvMat*)(mat))->data.ptr != NULL)
694 #define CV_IS_MASK_ARR(mat) \
695 (((mat)->type & (CV_MAT_TYPE_MASK & ~CV_8SC1)) == 0)
697 #define CV_ARE_TYPES_EQ(mat1, mat2) \
698 ((((mat1)->type ^ (mat2)->type) & CV_MAT_TYPE_MASK) == 0)
700 #define CV_ARE_CNS_EQ(mat1, mat2) \
701 ((((mat1)->type ^ (mat2)->type) & CV_MAT_CN_MASK) == 0)
703 #define CV_ARE_DEPTHS_EQ(mat1, mat2) \
704 ((((mat1)->type ^ (mat2)->type) & CV_MAT_DEPTH_MASK) == 0)
706 #define CV_ARE_SIZES_EQ(mat1, mat2) \
707 ((mat1)->rows == (mat2)->rows && (mat1)->cols == (mat2)->cols)
709 #define CV_IS_MAT_CONST(mat) \
710 (((mat)->rows|(mat)->cols) == 1)
712 /* Size of each channel item,
713 0x124489 = 1000 0100 0100 0010 0010 0001 0001 ~ array of sizeof(arr_type_elem) */
714 #define CV_ELEM_SIZE1(type) \
715 ((((sizeof(size_t)<<28)|0x8442211) >> CV_MAT_DEPTH(type)*4) & 15)
717 /* 0x3a50 = 11 10 10 01 01 00 00 ~ array of log2(sizeof(arr_type_elem)) */
718 #define CV_ELEM_SIZE(type) \
719 (CV_MAT_CN(type) << ((((sizeof(size_t)/4+1)*16384|0x3a50) >> CV_MAT_DEPTH(type)*2) & 3))
721 #define IPL2CV_DEPTH(depth) \
722 ((((CV_8U)+(CV_16U<<4)+(CV_32F<<8)+(CV_64F<<16)+(CV_8S<<20)+ \
723 (CV_16S<<24)+(CV_32S<<28)) >> ((((depth) & 0xF0) >> 2) + \
724 (((depth) & IPL_DEPTH_SIGN) ? 20 : 0))) & 15)
726 /* Inline constructor. No data is allocated internally!!!
727 * (Use together with cvCreateData, or use cvCreateMat instead to
728 * get a matrix with allocated data):
730 CV_INLINE CvMat cvMat( int rows, int cols, int type, void* data CV_DEFAULT(NULL))
734 assert( (unsigned)CV_MAT_DEPTH(type) <= CV_64F );
735 type = CV_MAT_TYPE(type);
736 m.type = CV_MAT_MAGIC_VAL | CV_MAT_CONT_FLAG | type;
739 m.step = m.cols*CV_ELEM_SIZE(type);
740 m.data.ptr = (uchar*)data;
748 #define CV_MAT_ELEM_PTR_FAST( mat, row, col, pix_size ) \
749 (assert( (unsigned)(row) < (unsigned)(mat).rows && \
750 (unsigned)(col) < (unsigned)(mat).cols ), \
751 (mat).data.ptr + (size_t)(mat).step*(row) + (pix_size)*(col))
753 #define CV_MAT_ELEM_PTR( mat, row, col ) \
754 CV_MAT_ELEM_PTR_FAST( mat, row, col, CV_ELEM_SIZE((mat).type) )
756 #define CV_MAT_ELEM( mat, elemtype, row, col ) \
757 (*(elemtype*)CV_MAT_ELEM_PTR_FAST( mat, row, col, sizeof(elemtype)))
760 CV_INLINE double cvmGet( const CvMat* mat, int row, int col )
764 type = CV_MAT_TYPE(mat->type);
765 assert( (unsigned)row < (unsigned)mat->rows &&
766 (unsigned)col < (unsigned)mat->cols );
768 if( type == CV_32FC1 )
769 return ((float*)(mat->data.ptr + (size_t)mat->step*row))[col];
772 assert( type == CV_64FC1 );
773 return ((double*)(mat->data.ptr + (size_t)mat->step*row))[col];
778 CV_INLINE void cvmSet( CvMat* mat, int row, int col, double value )
781 type = CV_MAT_TYPE(mat->type);
782 assert( (unsigned)row < (unsigned)mat->rows &&
783 (unsigned)col < (unsigned)mat->cols );
785 if( type == CV_32FC1 )
786 ((float*)(mat->data.ptr + (size_t)mat->step*row))[col] = (float)value;
789 assert( type == CV_64FC1 );
790 ((double*)(mat->data.ptr + (size_t)mat->step*row))[col] = (double)value;
795 CV_INLINE int cvIplDepth( int type )
797 int depth = CV_MAT_DEPTH(type);
798 return CV_ELEM_SIZE1(depth)*8 | (depth == CV_8S || depth == CV_16S ||
799 depth == CV_32S ? IPL_DEPTH_SIGN : 0);
803 /****************************************************************************************\
804 * Multi-dimensional dense array (CvMatND) *
805 \****************************************************************************************/
807 #define CV_MATND_MAGIC_VAL 0x42430000
808 #define CV_TYPE_NAME_MATND "opencv-nd-matrix"
810 #define CV_MAX_DIM 32
811 #define CV_MAX_DIM_HEAP 1024
813 typedef struct CvMatND
839 #define CV_IS_MATND_HDR(mat) \
840 ((mat) != NULL && (((const CvMatND*)(mat))->type & CV_MAGIC_MASK) == CV_MATND_MAGIC_VAL)
842 #define CV_IS_MATND(mat) \
843 (CV_IS_MATND_HDR(mat) && ((const CvMatND*)(mat))->data.ptr != NULL)
846 /****************************************************************************************\
847 * Multi-dimensional sparse array (CvSparseMat) *
848 \****************************************************************************************/
850 #define CV_SPARSE_MAT_MAGIC_VAL 0x42440000
851 #define CV_TYPE_NAME_SPARSE_MAT "opencv-sparse-matrix"
855 typedef struct CvSparseMat
867 int size[CV_MAX_DIM];
871 #define CV_IS_SPARSE_MAT_HDR(mat) \
873 (((const CvSparseMat*)(mat))->type & CV_MAGIC_MASK) == CV_SPARSE_MAT_MAGIC_VAL)
875 #define CV_IS_SPARSE_MAT(mat) \
876 CV_IS_SPARSE_MAT_HDR(mat)
878 /**************** iteration through a sparse array *****************/
880 typedef struct CvSparseNode
883 struct CvSparseNode* next;
887 typedef struct CvSparseMatIterator
895 #define CV_NODE_VAL(mat,node) ((void*)((uchar*)(node) + (mat)->valoffset))
896 #define CV_NODE_IDX(mat,node) ((int*)((uchar*)(node) + (mat)->idxoffset))
898 /****************************************************************************************\
900 \****************************************************************************************/
902 typedef int CvHistType;
904 #define CV_HIST_MAGIC_VAL 0x42450000
905 #define CV_HIST_UNIFORM_FLAG (1 << 10)
907 /* indicates whether bin ranges are set already or not */
908 #define CV_HIST_RANGES_FLAG (1 << 11)
910 #define CV_HIST_ARRAY 0
911 #define CV_HIST_SPARSE 1
912 #define CV_HIST_TREE CV_HIST_SPARSE
914 /* should be used as a parameter only,
915 it turns to CV_HIST_UNIFORM_FLAG of hist->type */
916 #define CV_HIST_UNIFORM 1
918 typedef struct CvHistogram
922 float thresh[CV_MAX_DIM][2]; /* For uniform histograms. */
923 float** thresh2; /* For non-uniform histograms. */
924 CvMatND mat; /* Embedded matrix header for array histograms. */
928 #define CV_IS_HIST( hist ) \
930 (((CvHistogram*)(hist))->type & CV_MAGIC_MASK) == CV_HIST_MAGIC_VAL && \
931 (hist)->bins != NULL)
933 #define CV_IS_UNIFORM_HIST( hist ) \
934 (((hist)->type & CV_HIST_UNIFORM_FLAG) != 0)
936 #define CV_IS_SPARSE_HIST( hist ) \
937 CV_IS_SPARSE_MAT((hist)->bins)
939 #define CV_HIST_HAS_RANGES( hist ) \
940 (((hist)->type & CV_HIST_RANGES_FLAG) != 0)
942 /****************************************************************************************\
943 * Other supplementary data type definitions *
944 \****************************************************************************************/
946 /*************************************** CvRect *****************************************/
948 typedef struct CvRect
957 CV_INLINE CvRect cvRect( int x, int y, int width, int height )
970 CV_INLINE IplROI cvRectToROI( CvRect rect, int coi )
973 roi.xOffset = rect.x;
974 roi.yOffset = rect.y;
975 roi.width = rect.width;
976 roi.height = rect.height;
983 CV_INLINE CvRect cvROIToRect( IplROI roi )
985 return cvRect( roi.xOffset, roi.yOffset, roi.width, roi.height );
988 /*********************************** CvTermCriteria *************************************/
990 #define CV_TERMCRIT_ITER 1
991 #define CV_TERMCRIT_NUMBER CV_TERMCRIT_ITER
992 #define CV_TERMCRIT_EPS 2
994 typedef struct CvTermCriteria
996 int type; /* may be combination of
1004 CV_INLINE CvTermCriteria cvTermCriteria( int type, int max_iter, double epsilon )
1009 t.max_iter = max_iter;
1010 t.epsilon = (float)epsilon;
1016 /******************************* CvPoint and variants ***********************************/
1018 typedef struct CvPoint
1026 CV_INLINE CvPoint cvPoint( int x, int y )
1037 typedef struct CvPoint2D32f
1045 CV_INLINE CvPoint2D32f cvPoint2D32f( double x, double y )
1056 CV_INLINE CvPoint2D32f cvPointTo32f( CvPoint point )
1058 return cvPoint2D32f( (float)point.x, (float)point.y );
1062 CV_INLINE CvPoint cvPointFrom32f( CvPoint2D32f point )
1065 ipt.x = cvRound(point.x);
1066 ipt.y = cvRound(point.y);
1072 typedef struct CvPoint3D32f
1081 CV_INLINE CvPoint3D32f cvPoint3D32f( double x, double y, double z )
1093 typedef struct CvPoint2D64f
1101 CV_INLINE CvPoint2D64f cvPoint2D64f( double x, double y )
1112 typedef struct CvPoint3D64f
1121 CV_INLINE CvPoint3D64f cvPoint3D64f( double x, double y, double z )
1133 /******************************** CvSize's & CvBox **************************************/
1135 typedef struct CvSize
1142 CV_INLINE CvSize cvSize( int width, int height )
1152 typedef struct CvSize2D32f
1160 CV_INLINE CvSize2D32f cvSize2D32f( double width, double height )
1164 s.width = (float)width;
1165 s.height = (float)height;
1170 typedef struct CvBox2D
1172 CvPoint2D32f center; /* Center of the box. */
1173 CvSize2D32f size; /* Box width and length. */
1174 float angle; /* Angle between the horizontal axis */
1175 /* and the first side (i.e. length) in degrees */
1180 /* Line iterator state: */
1181 typedef struct CvLineIterator
1183 /* Pointer to the current point: */
1186 /* Bresenham algorithm state: */
1197 /************************************* CvSlice ******************************************/
1199 typedef struct CvSlice
1201 int start_index, end_index;
1205 CV_INLINE CvSlice cvSlice( int start, int end )
1208 slice.start_index = start;
1209 slice.end_index = end;
1214 #define CV_WHOLE_SEQ_END_INDEX 0x3fffffff
1215 #define CV_WHOLE_SEQ cvSlice(0, CV_WHOLE_SEQ_END_INDEX)
1218 /************************************* CvScalar *****************************************/
1220 typedef struct CvScalar
1226 CV_INLINE CvScalar cvScalar( double val0, double val1 CV_DEFAULT(0),
1227 double val2 CV_DEFAULT(0), double val3 CV_DEFAULT(0))
1230 scalar.val[0] = val0; scalar.val[1] = val1;
1231 scalar.val[2] = val2; scalar.val[3] = val3;
1236 CV_INLINE CvScalar cvRealScalar( double val0 )
1239 scalar.val[0] = val0;
1240 scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
1244 CV_INLINE CvScalar cvScalarAll( double val0123 )
1247 scalar.val[0] = val0123;
1248 scalar.val[1] = val0123;
1249 scalar.val[2] = val0123;
1250 scalar.val[3] = val0123;
1254 /****************************************************************************************\
1255 * Dynamic Data structures *
1256 \****************************************************************************************/
1258 /******************************** Memory storage ****************************************/
1260 typedef struct CvMemBlock
1262 struct CvMemBlock* prev;
1263 struct CvMemBlock* next;
1267 #define CV_STORAGE_MAGIC_VAL 0x42890000
1269 typedef struct CvMemStorage
1272 CvMemBlock* bottom; /* First allocated block. */
1273 CvMemBlock* top; /* Current memory block - top of the stack. */
1274 struct CvMemStorage* parent; /* We get new blocks from parent as needed. */
1275 int block_size; /* Block size. */
1276 int free_space; /* Remaining free space in current block. */
1280 #define CV_IS_STORAGE(storage) \
1281 ((storage) != NULL && \
1282 (((CvMemStorage*)(storage))->signature & CV_MAGIC_MASK) == CV_STORAGE_MAGIC_VAL)
1285 typedef struct CvMemStoragePos
1293 /*********************************** Sequence *******************************************/
1295 typedef struct CvSeqBlock
1297 struct CvSeqBlock* prev; /* Previous sequence block. */
1298 struct CvSeqBlock* next; /* Next sequence block. */
1299 int start_index; /* Index of the first element in the block + */
1300 /* sequence->first->start_index. */
1301 int count; /* Number of elements in the block. */
1302 schar* data; /* Pointer to the first element of the block. */
1307 #define CV_TREE_NODE_FIELDS(node_type) \
1308 int flags; /* Miscellaneous flags. */ \
1309 int header_size; /* Size of sequence header. */ \
1310 struct node_type* h_prev; /* Previous sequence. */ \
1311 struct node_type* h_next; /* Next sequence. */ \
1312 struct node_type* v_prev; /* 2nd previous sequence. */ \
1313 struct node_type* v_next /* 2nd next sequence. */
1316 Read/Write sequence.
1317 Elements can be dynamically inserted to or deleted from the sequence.
1319 #define CV_SEQUENCE_FIELDS() \
1320 CV_TREE_NODE_FIELDS(CvSeq); \
1321 int total; /* Total number of elements. */ \
1322 int elem_size; /* Size of sequence element in bytes. */ \
1323 schar* block_max; /* Maximal bound of the last block. */ \
1324 schar* ptr; /* Current write pointer. */ \
1325 int delta_elems; /* Grow seq this many at a time. */ \
1326 CvMemStorage* storage; /* Where the seq is stored. */ \
1327 CvSeqBlock* free_blocks; /* Free blocks list. */ \
1328 CvSeqBlock* first; /* Pointer to the first sequence block. */
1330 typedef struct CvSeq
1332 CV_SEQUENCE_FIELDS()
1336 #define CV_TYPE_NAME_SEQ "opencv-sequence"
1337 #define CV_TYPE_NAME_SEQ_TREE "opencv-sequence-tree"
1339 /*************************************** Set ********************************************/
1342 Order is not preserved. There can be gaps between sequence elements.
1343 After the element has been inserted it stays in the same place all the time.
1344 The MSB(most-significant or sign bit) of the first field (flags) is 0 iff the element exists.
1346 #define CV_SET_ELEM_FIELDS(elem_type) \
1348 struct elem_type* next_free;
1350 typedef struct CvSetElem
1352 CV_SET_ELEM_FIELDS(CvSetElem)
1356 #define CV_SET_FIELDS() \
1357 CV_SEQUENCE_FIELDS() \
1358 CvSetElem* free_elems; \
1361 typedef struct CvSet
1368 #define CV_SET_ELEM_IDX_MASK ((1 << 26) - 1)
1369 #define CV_SET_ELEM_FREE_FLAG (1 << (sizeof(int)*8-1))
1371 /* Checks whether the element pointed by ptr belongs to a set or not */
1372 #define CV_IS_SET_ELEM( ptr ) (((CvSetElem*)(ptr))->flags >= 0)
1374 /************************************* Graph ********************************************/
1377 We represent a graph as a set of vertices.
1378 Vertices contain their adjacency lists (more exactly, pointers to first incoming or
1379 outcoming edge (or 0 if isolated vertex)). Edges are stored in another set.
1380 There is a singly-linked list of incoming/outcoming edges for each vertex.
1382 Each edge consists of
1384 o Two pointers to the starting and ending vertices
1385 (vtx[0] and vtx[1] respectively).
1387 A graph may be oriented or not. In the latter case, edges between
1388 vertex i to vertex j are not distinguished during search operations.
1390 o Two pointers to next edges for the starting and ending vertices, where
1391 next[0] points to the next edge in the vtx[0] adjacency list and
1392 next[1] points to the next edge in the vtx[1] adjacency list.
1394 #define CV_GRAPH_EDGE_FIELDS() \
1397 struct CvGraphEdge* next[2]; \
1398 struct CvGraphVtx* vtx[2];
1401 #define CV_GRAPH_VERTEX_FIELDS() \
1403 struct CvGraphEdge* first;
1406 typedef struct CvGraphEdge
1408 CV_GRAPH_EDGE_FIELDS()
1412 typedef struct CvGraphVtx
1414 CV_GRAPH_VERTEX_FIELDS()
1418 typedef struct CvGraphVtx2D
1420 CV_GRAPH_VERTEX_FIELDS()
1426 Graph is "derived" from the set (this is set a of vertices)
1427 and includes another set (edges)
1429 #define CV_GRAPH_FIELDS() \
1433 typedef struct CvGraph
1439 #define CV_TYPE_NAME_GRAPH "opencv-graph"
1441 /*********************************** Chain/Countour *************************************/
1443 typedef struct CvChain
1445 CV_SEQUENCE_FIELDS()
1450 #define CV_CONTOUR_FIELDS() \
1451 CV_SEQUENCE_FIELDS() \
1456 typedef struct CvContour
1462 typedef CvContour CvPoint2DSeq;
1464 /****************************************************************************************\
1466 \****************************************************************************************/
1468 #define CV_SEQ_MAGIC_VAL 0x42990000
1470 #define CV_IS_SEQ(seq) \
1471 ((seq) != NULL && (((CvSeq*)(seq))->flags & CV_MAGIC_MASK) == CV_SEQ_MAGIC_VAL)
1473 #define CV_SET_MAGIC_VAL 0x42980000
1474 #define CV_IS_SET(set) \
1475 ((set) != NULL && (((CvSeq*)(set))->flags & CV_MAGIC_MASK) == CV_SET_MAGIC_VAL)
1477 #define CV_SEQ_ELTYPE_BITS 12
1478 #define CV_SEQ_ELTYPE_MASK ((1 << CV_SEQ_ELTYPE_BITS) - 1)
1480 #define CV_SEQ_ELTYPE_POINT CV_32SC2 /* (x,y) */
1481 #define CV_SEQ_ELTYPE_CODE CV_8UC1 /* freeman code: 0..7 */
1482 #define CV_SEQ_ELTYPE_GENERIC 0
1483 #define CV_SEQ_ELTYPE_PTR CV_USRTYPE1
1484 #define CV_SEQ_ELTYPE_PPOINT CV_SEQ_ELTYPE_PTR /* &(x,y) */
1485 #define CV_SEQ_ELTYPE_INDEX CV_32SC1 /* #(x,y) */
1486 #define CV_SEQ_ELTYPE_GRAPH_EDGE 0 /* &next_o, &next_d, &vtx_o, &vtx_d */
1487 #define CV_SEQ_ELTYPE_GRAPH_VERTEX 0 /* first_edge, &(x,y) */
1488 #define CV_SEQ_ELTYPE_TRIAN_ATR 0 /* vertex of the binary tree */
1489 #define CV_SEQ_ELTYPE_CONNECTED_COMP 0 /* connected component */
1490 #define CV_SEQ_ELTYPE_POINT3D CV_32FC3 /* (x,y,z) */
1492 #define CV_SEQ_KIND_BITS 2
1493 #define CV_SEQ_KIND_MASK (((1 << CV_SEQ_KIND_BITS) - 1)<<CV_SEQ_ELTYPE_BITS)
1495 /* types of sequences */
1496 #define CV_SEQ_KIND_GENERIC (0 << CV_SEQ_ELTYPE_BITS)
1497 #define CV_SEQ_KIND_CURVE (1 << CV_SEQ_ELTYPE_BITS)
1498 #define CV_SEQ_KIND_BIN_TREE (2 << CV_SEQ_ELTYPE_BITS)
1500 /* types of sparse sequences (sets) */
1501 #define CV_SEQ_KIND_GRAPH (1 << CV_SEQ_ELTYPE_BITS)
1502 #define CV_SEQ_KIND_SUBDIV2D (2 << CV_SEQ_ELTYPE_BITS)
1504 #define CV_SEQ_FLAG_SHIFT (CV_SEQ_KIND_BITS + CV_SEQ_ELTYPE_BITS)
1506 /* flags for curves */
1507 #define CV_SEQ_FLAG_CLOSED (1 << CV_SEQ_FLAG_SHIFT)
1508 #define CV_SEQ_FLAG_SIMPLE (0 << CV_SEQ_FLAG_SHIFT)
1509 #define CV_SEQ_FLAG_CONVEX (0 << CV_SEQ_FLAG_SHIFT)
1510 #define CV_SEQ_FLAG_HOLE (2 << CV_SEQ_FLAG_SHIFT)
1512 /* flags for graphs */
1513 #define CV_GRAPH_FLAG_ORIENTED (1 << CV_SEQ_FLAG_SHIFT)
1515 #define CV_GRAPH CV_SEQ_KIND_GRAPH
1516 #define CV_ORIENTED_GRAPH (CV_SEQ_KIND_GRAPH|CV_GRAPH_FLAG_ORIENTED)
1519 #define CV_SEQ_POINT_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT)
1520 #define CV_SEQ_POINT3D_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT3D)
1521 #define CV_SEQ_POLYLINE (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_POINT)
1522 #define CV_SEQ_POLYGON (CV_SEQ_FLAG_CLOSED | CV_SEQ_POLYLINE )
1523 #define CV_SEQ_CONTOUR CV_SEQ_POLYGON
1524 #define CV_SEQ_SIMPLE_POLYGON (CV_SEQ_FLAG_SIMPLE | CV_SEQ_POLYGON )
1526 /* chain-coded curves */
1527 #define CV_SEQ_CHAIN (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_CODE)
1528 #define CV_SEQ_CHAIN_CONTOUR (CV_SEQ_FLAG_CLOSED | CV_SEQ_CHAIN)
1530 /* binary tree for the contour */
1531 #define CV_SEQ_POLYGON_TREE (CV_SEQ_KIND_BIN_TREE | CV_SEQ_ELTYPE_TRIAN_ATR)
1533 /* sequence of the connected components */
1534 #define CV_SEQ_CONNECTED_COMP (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_CONNECTED_COMP)
1536 /* sequence of the integer numbers */
1537 #define CV_SEQ_INDEX (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_INDEX)
1539 #define CV_SEQ_ELTYPE( seq ) ((seq)->flags & CV_SEQ_ELTYPE_MASK)
1540 #define CV_SEQ_KIND( seq ) ((seq)->flags & CV_SEQ_KIND_MASK )
1543 #define CV_IS_SEQ_INDEX( seq ) ((CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_INDEX) && \
1544 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_GENERIC))
1546 #define CV_IS_SEQ_CURVE( seq ) (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE)
1547 #define CV_IS_SEQ_CLOSED( seq ) (((seq)->flags & CV_SEQ_FLAG_CLOSED) != 0)
1548 #define CV_IS_SEQ_CONVEX( seq ) 0
1549 #define CV_IS_SEQ_HOLE( seq ) (((seq)->flags & CV_SEQ_FLAG_HOLE) != 0)
1550 #define CV_IS_SEQ_SIMPLE( seq ) 1
1552 /* type checking macros */
1553 #define CV_IS_SEQ_POINT_SET( seq ) \
1554 ((CV_SEQ_ELTYPE(seq) == CV_32SC2 || CV_SEQ_ELTYPE(seq) == CV_32FC2))
1556 #define CV_IS_SEQ_POINT_SUBSET( seq ) \
1557 (CV_IS_SEQ_INDEX( seq ) || CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_PPOINT)
1559 #define CV_IS_SEQ_POLYLINE( seq ) \
1560 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && CV_IS_SEQ_POINT_SET(seq))
1562 #define CV_IS_SEQ_POLYGON( seq ) \
1563 (CV_IS_SEQ_POLYLINE(seq) && CV_IS_SEQ_CLOSED(seq))
1565 #define CV_IS_SEQ_CHAIN( seq ) \
1566 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && (seq)->elem_size == 1)
1568 #define CV_IS_SEQ_CONTOUR( seq ) \
1569 (CV_IS_SEQ_CLOSED(seq) && (CV_IS_SEQ_POLYLINE(seq) || CV_IS_SEQ_CHAIN(seq)))
1571 #define CV_IS_SEQ_CHAIN_CONTOUR( seq ) \
1572 (CV_IS_SEQ_CHAIN( seq ) && CV_IS_SEQ_CLOSED( seq ))
1574 #define CV_IS_SEQ_POLYGON_TREE( seq ) \
1575 (CV_SEQ_ELTYPE (seq) == CV_SEQ_ELTYPE_TRIAN_ATR && \
1576 CV_SEQ_KIND( seq ) == CV_SEQ_KIND_BIN_TREE )
1578 #define CV_IS_GRAPH( seq ) \
1579 (CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_GRAPH)
1581 #define CV_IS_GRAPH_ORIENTED( seq ) \
1582 (((seq)->flags & CV_GRAPH_FLAG_ORIENTED) != 0)
1584 #define CV_IS_SUBDIV2D( seq ) \
1585 (CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_SUBDIV2D)
1587 /****************************************************************************************/
1588 /* Sequence writer & reader */
1589 /****************************************************************************************/
1591 #define CV_SEQ_WRITER_FIELDS() \
1593 CvSeq* seq; /* the sequence written */ \
1594 CvSeqBlock* block; /* current block */ \
1595 schar* ptr; /* pointer to free space */ \
1596 schar* block_min; /* pointer to the beginning of block*/\
1597 schar* block_max; /* pointer to the end of block */
1599 typedef struct CvSeqWriter
1601 CV_SEQ_WRITER_FIELDS()
1606 #define CV_SEQ_READER_FIELDS() \
1608 CvSeq* seq; /* sequence, beign read */ \
1609 CvSeqBlock* block; /* current block */ \
1610 schar* ptr; /* pointer to element be read next */ \
1611 schar* block_min; /* pointer to the beginning of block */\
1612 schar* block_max; /* pointer to the end of block */ \
1613 int delta_index;/* = seq->first->start_index */ \
1614 schar* prev_elem; /* pointer to previous element */
1617 typedef struct CvSeqReader
1619 CV_SEQ_READER_FIELDS()
1623 /****************************************************************************************/
1624 /* Operations on sequences */
1625 /****************************************************************************************/
1627 #define CV_SEQ_ELEM( seq, elem_type, index ) \
1628 /* assert gives some guarantee that <seq> parameter is valid */ \
1629 ( assert(sizeof((seq)->first[0]) == sizeof(CvSeqBlock) && \
1630 (seq)->elem_size == sizeof(elem_type)), \
1631 (elem_type*)((seq)->first && (unsigned)index < \
1632 (unsigned)((seq)->first->count) ? \
1633 (seq)->first->data + (index) * sizeof(elem_type) : \
1634 cvGetSeqElem( (CvSeq*)(seq), (index) )))
1635 #define CV_GET_SEQ_ELEM( elem_type, seq, index ) CV_SEQ_ELEM( (seq), elem_type, (index) )
1637 /* Add element to sequence: */
1638 #define CV_WRITE_SEQ_ELEM_VAR( elem_ptr, writer ) \
1640 if( (writer).ptr >= (writer).block_max ) \
1642 cvCreateSeqBlock( &writer); \
1644 memcpy((writer).ptr, elem_ptr, (writer).seq->elem_size);\
1645 (writer).ptr += (writer).seq->elem_size; \
1648 #define CV_WRITE_SEQ_ELEM( elem, writer ) \
1650 assert( (writer).seq->elem_size == sizeof(elem)); \
1651 if( (writer).ptr >= (writer).block_max ) \
1653 cvCreateSeqBlock( &writer); \
1655 assert( (writer).ptr <= (writer).block_max - sizeof(elem));\
1656 memcpy((writer).ptr, &(elem), sizeof(elem)); \
1657 (writer).ptr += sizeof(elem); \
1661 /* Move reader position forward: */
1662 #define CV_NEXT_SEQ_ELEM( elem_size, reader ) \
1664 if( ((reader).ptr += (elem_size)) >= (reader).block_max ) \
1666 cvChangeSeqBlock( &(reader), 1 ); \
1671 /* Move reader position backward: */
1672 #define CV_PREV_SEQ_ELEM( elem_size, reader ) \
1674 if( ((reader).ptr -= (elem_size)) < (reader).block_min ) \
1676 cvChangeSeqBlock( &(reader), -1 ); \
1680 /* Read element and move read position forward: */
1681 #define CV_READ_SEQ_ELEM( elem, reader ) \
1683 assert( (reader).seq->elem_size == sizeof(elem)); \
1684 memcpy( &(elem), (reader).ptr, sizeof((elem))); \
1685 CV_NEXT_SEQ_ELEM( sizeof(elem), reader ) \
1688 /* Read element and move read position backward: */
1689 #define CV_REV_READ_SEQ_ELEM( elem, reader ) \
1691 assert( (reader).seq->elem_size == sizeof(elem)); \
1692 memcpy(&(elem), (reader).ptr, sizeof((elem))); \
1693 CV_PREV_SEQ_ELEM( sizeof(elem), reader ) \
1697 #define CV_READ_CHAIN_POINT( _pt, reader ) \
1699 (_pt) = (reader).pt; \
1700 if( (reader).ptr ) \
1702 CV_READ_SEQ_ELEM( (reader).code, (reader)); \
1703 assert( ((reader).code & ~7) == 0 ); \
1704 (reader).pt.x += (reader).deltas[(int)(reader).code][0]; \
1705 (reader).pt.y += (reader).deltas[(int)(reader).code][1]; \
1709 #define CV_CURRENT_POINT( reader ) (*((CvPoint*)((reader).ptr)))
1710 #define CV_PREV_POINT( reader ) (*((CvPoint*)((reader).prev_elem)))
1712 #define CV_READ_EDGE( pt1, pt2, reader ) \
1714 assert( sizeof(pt1) == sizeof(CvPoint) && \
1715 sizeof(pt2) == sizeof(CvPoint) && \
1716 reader.seq->elem_size == sizeof(CvPoint)); \
1717 (pt1) = CV_PREV_POINT( reader ); \
1718 (pt2) = CV_CURRENT_POINT( reader ); \
1719 (reader).prev_elem = (reader).ptr; \
1720 CV_NEXT_SEQ_ELEM( sizeof(CvPoint), (reader)); \
1723 /************ Graph macros ************/
1725 /* Return next graph edge for given vertex: */
1726 #define CV_NEXT_GRAPH_EDGE( edge, vertex ) \
1727 (assert((edge)->vtx[0] == (vertex) || (edge)->vtx[1] == (vertex)), \
1728 (edge)->next[(edge)->vtx[1] == (vertex)])
1732 /****************************************************************************************\
1733 * Data structures for persistence (a.k.a serialization) functionality *
1734 \****************************************************************************************/
1736 /* "black box" file storage */
1737 typedef struct CvFileStorage CvFileStorage;
1739 /* Storage flags: */
1740 #define CV_STORAGE_READ 0
1741 #define CV_STORAGE_WRITE 1
1742 #define CV_STORAGE_WRITE_TEXT CV_STORAGE_WRITE
1743 #define CV_STORAGE_WRITE_BINARY CV_STORAGE_WRITE
1744 #define CV_STORAGE_APPEND 2
1745 #define CV_STORAGE_MEMORY 4
1746 #define CV_STORAGE_FORMAT_MASK (7<<3)
1747 #define CV_STORAGE_FORMAT_AUTO 0
1748 #define CV_STORAGE_FORMAT_XML 8
1749 #define CV_STORAGE_FORMAT_YAML 16
1751 /* List of attributes: */
1752 typedef struct CvAttrList
1754 const char** attr; /* NULL-terminated array of (attribute_name,attribute_value) pairs. */
1755 struct CvAttrList* next; /* Pointer to next chunk of the attributes list. */
1759 CV_INLINE CvAttrList cvAttrList( const char** attr CV_DEFAULT(NULL),
1760 CvAttrList* next CV_DEFAULT(NULL) )
1771 #define CV_NODE_NONE 0
1772 #define CV_NODE_INT 1
1773 #define CV_NODE_INTEGER CV_NODE_INT
1774 #define CV_NODE_REAL 2
1775 #define CV_NODE_FLOAT CV_NODE_REAL
1776 #define CV_NODE_STR 3
1777 #define CV_NODE_STRING CV_NODE_STR
1778 #define CV_NODE_REF 4 /* not used */
1779 #define CV_NODE_SEQ 5
1780 #define CV_NODE_MAP 6
1781 #define CV_NODE_TYPE_MASK 7
1783 #define CV_NODE_TYPE(flags) ((flags) & CV_NODE_TYPE_MASK)
1785 /* file node flags */
1786 #define CV_NODE_FLOW 8 /* Used only for writing structures in YAML format. */
1787 #define CV_NODE_USER 16
1788 #define CV_NODE_EMPTY 32
1789 #define CV_NODE_NAMED 64
1791 #define CV_NODE_IS_INT(flags) (CV_NODE_TYPE(flags) == CV_NODE_INT)
1792 #define CV_NODE_IS_REAL(flags) (CV_NODE_TYPE(flags) == CV_NODE_REAL)
1793 #define CV_NODE_IS_STRING(flags) (CV_NODE_TYPE(flags) == CV_NODE_STRING)
1794 #define CV_NODE_IS_SEQ(flags) (CV_NODE_TYPE(flags) == CV_NODE_SEQ)
1795 #define CV_NODE_IS_MAP(flags) (CV_NODE_TYPE(flags) == CV_NODE_MAP)
1796 #define CV_NODE_IS_COLLECTION(flags) (CV_NODE_TYPE(flags) >= CV_NODE_SEQ)
1797 #define CV_NODE_IS_FLOW(flags) (((flags) & CV_NODE_FLOW) != 0)
1798 #define CV_NODE_IS_EMPTY(flags) (((flags) & CV_NODE_EMPTY) != 0)
1799 #define CV_NODE_IS_USER(flags) (((flags) & CV_NODE_USER) != 0)
1800 #define CV_NODE_HAS_NAME(flags) (((flags) & CV_NODE_NAMED) != 0)
1802 #define CV_NODE_SEQ_SIMPLE 256
1803 #define CV_NODE_SEQ_IS_SIMPLE(seq) (((seq)->flags & CV_NODE_SEQ_SIMPLE) != 0)
1805 typedef struct CvString
1812 /* All the keys (names) of elements in the readed file storage
1813 are stored in the hash to speed up the lookup operations: */
1814 typedef struct CvStringHashNode
1818 struct CvStringHashNode* next;
1822 typedef struct CvGenericHash CvFileNodeHash;
1824 /* Basic element of the file storage - scalar or collection: */
1825 typedef struct CvFileNode
1828 struct CvTypeInfo* info; /* type information
1829 (only for user-defined object, for others it is 0) */
1832 double f; /* scalar floating-point number */
1833 int i; /* scalar integer number */
1834 CvString str; /* text string */
1835 CvSeq* seq; /* sequence (ordered collection of file nodes) */
1836 CvFileNodeHash* map; /* map (collection of named file nodes) */
1844 typedef int (CV_CDECL *CvIsInstanceFunc)( const void* struct_ptr );
1845 typedef void (CV_CDECL *CvReleaseFunc)( void** struct_dblptr );
1846 typedef void* (CV_CDECL *CvReadFunc)( CvFileStorage* storage, CvFileNode* node );
1847 typedef void (CV_CDECL *CvWriteFunc)( CvFileStorage* storage, const char* name,
1848 const void* struct_ptr, CvAttrList attributes );
1849 typedef void* (CV_CDECL *CvCloneFunc)( const void* struct_ptr );
1854 typedef struct CvTypeInfo
1858 struct CvTypeInfo* prev;
1859 struct CvTypeInfo* next;
1860 const char* type_name;
1861 CvIsInstanceFunc is_instance;
1862 CvReleaseFunc release;
1870 /**** System data types ******/
1872 typedef struct CvPluginFuncInfo
1875 void* default_func_addr;
1876 const char* func_names;
1882 typedef struct CvModuleInfo
1884 struct CvModuleInfo* next;
1886 const char* version;
1887 CvPluginFuncInfo* func_tab;
1891 #endif /*__OPENCV_CORE_TYPES_H__*/