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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,
268 CV_OpenCLDoubleNotSupported= -220,
269 CV_OpenCLInitError= -221
272 /****************************************************************************************\
273 * Common macros and inline functions *
274 \****************************************************************************************/
276 #ifdef HAVE_TEGRA_OPTIMIZATION
277 # include "tegra_round.hpp"
280 #define CV_PI 3.1415926535897932384626433832795
281 #define CV_LOG2 0.69314718055994530941723212145818
283 #define CV_SWAP(a,b,t) ((t) = (a), (a) = (b), (b) = (t))
286 # define MIN(a,b) ((a) > (b) ? (b) : (a))
290 # define MAX(a,b) ((a) < (b) ? (b) : (a))
293 /* min & max without jumps */
294 #define CV_IMIN(a, b) ((a) ^ (((a)^(b)) & (((a) < (b)) - 1)))
296 #define CV_IMAX(a, b) ((a) ^ (((a)^(b)) & (((a) > (b)) - 1)))
298 /* absolute value without jumps */
300 # define CV_IABS(a) (((a) ^ ((a) < 0 ? -1 : 0)) - ((a) < 0 ? -1 : 0))
302 # define CV_IABS(a) abs(a)
304 #define CV_CMP(a,b) (((a) > (b)) - ((a) < (b)))
305 #define CV_SIGN(a) CV_CMP((a),0)
307 CV_INLINE int cvRound( double value )
309 #if (defined _MSC_VER && defined _M_X64) || (defined __GNUC__ && defined __x86_64__ && defined __SSE2__ && !defined __APPLE__)
310 __m128d t = _mm_set_sd( value );
311 return _mm_cvtsd_si32(t);
312 #elif defined _MSC_VER && defined _M_IX86
320 #elif defined _MSC_VER && defined _M_ARM && defined HAVE_TEGRA_OPTIMIZATION
322 #elif defined CV_ICC || defined __GNUC__
323 # ifdef HAVE_TEGRA_OPTIMIZATION
326 return (int)lrint(value);
329 double intpart, fractpart;
330 fractpart = modf(value, &intpart);
331 if ((fabs(fractpart) != 0.5) || ((((int)intpart) % 2) != 0))
332 return (int)(value + (value >= 0 ? 0.5 : -0.5));
338 #if defined __SSE2__ || (defined _M_IX86_FP && 2 == _M_IX86_FP)
339 # include "emmintrin.h"
342 CV_INLINE int cvFloor( double value )
344 #if defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__ && !defined __APPLE__)
345 __m128d t = _mm_set_sd( value );
346 int i = _mm_cvtsd_si32(t);
347 return i - _mm_movemask_pd(_mm_cmplt_sd(t, _mm_cvtsi32_sd(t,i)));
348 #elif defined __GNUC__
350 return i - (i > value);
352 int i = cvRound(value);
353 float diff = (float)(value - i);
354 return i - (diff < 0);
359 CV_INLINE int cvCeil( double value )
361 #if defined _MSC_VER && defined _M_X64 || (defined __GNUC__ && defined __SSE2__&& !defined __APPLE__)
362 __m128d t = _mm_set_sd( value );
363 int i = _mm_cvtsd_si32(t);
364 return i + _mm_movemask_pd(_mm_cmplt_sd(_mm_cvtsi32_sd(t,i), t));
365 #elif defined __GNUC__
367 return i + (i < value);
369 int i = cvRound(value);
370 float diff = (float)(i - value);
371 return i + (diff < 0);
375 #define cvInvSqrt(value) ((float)(1./sqrt(value)))
376 #define cvSqrt(value) ((float)sqrt(value))
378 CV_INLINE int cvIsNaN( double value )
382 return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) +
383 ((unsigned)ieee754.u != 0) > 0x7ff00000;
387 CV_INLINE int cvIsInf( double value )
391 return ((unsigned)(ieee754.u >> 32) & 0x7fffffff) == 0x7ff00000 &&
392 (unsigned)ieee754.u == 0;
396 /*************** Random number generation *******************/
398 typedef uint64 CvRNG;
400 #define CV_RNG_COEFF 4164903690U
402 CV_INLINE CvRNG cvRNG( int64 seed CV_DEFAULT(-1))
404 CvRNG rng = seed ? (uint64)seed : (uint64)(int64)-1;
408 /* Return random 32-bit unsigned integer: */
409 CV_INLINE unsigned cvRandInt( CvRNG* rng )
412 temp = (uint64)(unsigned)temp*CV_RNG_COEFF + (temp >> 32);
414 return (unsigned)temp;
417 /* Returns random floating-point number between 0 and 1: */
418 CV_INLINE double cvRandReal( CvRNG* rng )
420 return cvRandInt(rng)*2.3283064365386962890625e-10 /* 2^-32 */;
423 /****************************************************************************************\
424 * Image type (IplImage) *
425 \****************************************************************************************/
430 * The following definitions (until #endif)
431 * is an extract from IPL headers.
432 * Copyright (c) 1995 Intel Corporation.
434 #define IPL_DEPTH_SIGN 0x80000000
436 #define IPL_DEPTH_1U 1
437 #define IPL_DEPTH_8U 8
438 #define IPL_DEPTH_16U 16
439 #define IPL_DEPTH_32F 32
441 #define IPL_DEPTH_8S (IPL_DEPTH_SIGN| 8)
442 #define IPL_DEPTH_16S (IPL_DEPTH_SIGN|16)
443 #define IPL_DEPTH_32S (IPL_DEPTH_SIGN|32)
445 #define IPL_DATA_ORDER_PIXEL 0
446 #define IPL_DATA_ORDER_PLANE 1
448 #define IPL_ORIGIN_TL 0
449 #define IPL_ORIGIN_BL 1
451 #define IPL_ALIGN_4BYTES 4
452 #define IPL_ALIGN_8BYTES 8
453 #define IPL_ALIGN_16BYTES 16
454 #define IPL_ALIGN_32BYTES 32
456 #define IPL_ALIGN_DWORD IPL_ALIGN_4BYTES
457 #define IPL_ALIGN_QWORD IPL_ALIGN_8BYTES
459 #define IPL_BORDER_CONSTANT 0
460 #define IPL_BORDER_REPLICATE 1
461 #define IPL_BORDER_REFLECT 2
462 #define IPL_BORDER_WRAP 3
464 typedef struct _IplImage
466 int nSize; /* sizeof(IplImage) */
467 int ID; /* version (=0)*/
468 int nChannels; /* Most of OpenCV functions support 1,2,3 or 4 channels */
469 int alphaChannel; /* Ignored by OpenCV */
470 int depth; /* Pixel depth in bits: IPL_DEPTH_8U, IPL_DEPTH_8S, IPL_DEPTH_16S,
471 IPL_DEPTH_32S, IPL_DEPTH_32F and IPL_DEPTH_64F are supported. */
472 char colorModel[4]; /* Ignored by OpenCV */
473 char channelSeq[4]; /* ditto */
474 int dataOrder; /* 0 - interleaved color channels, 1 - separate color channels.
475 cvCreateImage can only create interleaved images */
476 int origin; /* 0 - top-left origin,
477 1 - bottom-left origin (Windows bitmaps style). */
478 int align; /* Alignment of image rows (4 or 8).
479 OpenCV ignores it and uses widthStep instead. */
480 int width; /* Image width in pixels. */
481 int height; /* Image height in pixels. */
482 struct _IplROI *roi; /* Image ROI. If NULL, the whole image is selected. */
483 struct _IplImage *maskROI; /* Must be NULL. */
484 void *imageId; /* " " */
485 struct _IplTileInfo *tileInfo; /* " " */
486 int imageSize; /* Image data size in bytes
487 (==image->height*image->widthStep
488 in case of interleaved data)*/
489 char *imageData; /* Pointer to aligned image data. */
490 int widthStep; /* Size of aligned image row in bytes. */
491 int BorderMode[4]; /* Ignored by OpenCV. */
492 int BorderConst[4]; /* Ditto. */
493 char *imageDataOrigin; /* Pointer to very origin of image data
494 (not necessarily aligned) -
495 needed for correct deallocation */
499 typedef struct _IplTileInfo IplTileInfo;
501 typedef struct _IplROI
503 int coi; /* 0 - no COI (all channels are selected), 1 - 0th channel is selected ...*/
511 typedef struct _IplConvKernel
522 typedef struct _IplConvKernelFP
532 #define IPL_IMAGE_HEADER 1
533 #define IPL_IMAGE_DATA 2
534 #define IPL_IMAGE_ROI 4
538 /* extra border mode */
539 #define IPL_BORDER_REFLECT_101 4
540 #define IPL_BORDER_TRANSPARENT 5
542 #define IPL_IMAGE_MAGIC_VAL ((int)sizeof(IplImage))
543 #define CV_TYPE_NAME_IMAGE "opencv-image"
545 #define CV_IS_IMAGE_HDR(img) \
546 ((img) != NULL && ((const IplImage*)(img))->nSize == sizeof(IplImage))
548 #define CV_IS_IMAGE(img) \
549 (CV_IS_IMAGE_HDR(img) && ((IplImage*)img)->imageData != NULL)
551 /* for storing double-precision
552 floating point data in IplImage's */
553 #define IPL_DEPTH_64F 64
555 /* get reference to pixel at (col,row),
556 for multi-channel images (col) should be multiplied by number of channels */
557 #define CV_IMAGE_ELEM( image, elemtype, row, col ) \
558 (((elemtype*)((image)->imageData + (image)->widthStep*(row)))[(col)])
560 /****************************************************************************************\
561 * Matrix type (CvMat) *
562 \****************************************************************************************/
564 #define CV_CN_MAX 512
565 #define CV_CN_SHIFT 3
566 #define CV_DEPTH_MAX (1 << CV_CN_SHIFT)
575 #define CV_USRTYPE1 7
577 #define CV_MAT_DEPTH_MASK (CV_DEPTH_MAX - 1)
578 #define CV_MAT_DEPTH(flags) ((flags) & CV_MAT_DEPTH_MASK)
580 #define CV_MAKETYPE(depth,cn) (CV_MAT_DEPTH(depth) + (((cn)-1) << CV_CN_SHIFT))
581 #define CV_MAKE_TYPE CV_MAKETYPE
583 #define CV_8UC1 CV_MAKETYPE(CV_8U,1)
584 #define CV_8UC2 CV_MAKETYPE(CV_8U,2)
585 #define CV_8UC3 CV_MAKETYPE(CV_8U,3)
586 #define CV_8UC4 CV_MAKETYPE(CV_8U,4)
587 #define CV_8UC(n) CV_MAKETYPE(CV_8U,(n))
589 #define CV_8SC1 CV_MAKETYPE(CV_8S,1)
590 #define CV_8SC2 CV_MAKETYPE(CV_8S,2)
591 #define CV_8SC3 CV_MAKETYPE(CV_8S,3)
592 #define CV_8SC4 CV_MAKETYPE(CV_8S,4)
593 #define CV_8SC(n) CV_MAKETYPE(CV_8S,(n))
595 #define CV_16UC1 CV_MAKETYPE(CV_16U,1)
596 #define CV_16UC2 CV_MAKETYPE(CV_16U,2)
597 #define CV_16UC3 CV_MAKETYPE(CV_16U,3)
598 #define CV_16UC4 CV_MAKETYPE(CV_16U,4)
599 #define CV_16UC(n) CV_MAKETYPE(CV_16U,(n))
601 #define CV_16SC1 CV_MAKETYPE(CV_16S,1)
602 #define CV_16SC2 CV_MAKETYPE(CV_16S,2)
603 #define CV_16SC3 CV_MAKETYPE(CV_16S,3)
604 #define CV_16SC4 CV_MAKETYPE(CV_16S,4)
605 #define CV_16SC(n) CV_MAKETYPE(CV_16S,(n))
607 #define CV_32SC1 CV_MAKETYPE(CV_32S,1)
608 #define CV_32SC2 CV_MAKETYPE(CV_32S,2)
609 #define CV_32SC3 CV_MAKETYPE(CV_32S,3)
610 #define CV_32SC4 CV_MAKETYPE(CV_32S,4)
611 #define CV_32SC(n) CV_MAKETYPE(CV_32S,(n))
613 #define CV_32FC1 CV_MAKETYPE(CV_32F,1)
614 #define CV_32FC2 CV_MAKETYPE(CV_32F,2)
615 #define CV_32FC3 CV_MAKETYPE(CV_32F,3)
616 #define CV_32FC4 CV_MAKETYPE(CV_32F,4)
617 #define CV_32FC(n) CV_MAKETYPE(CV_32F,(n))
619 #define CV_64FC1 CV_MAKETYPE(CV_64F,1)
620 #define CV_64FC2 CV_MAKETYPE(CV_64F,2)
621 #define CV_64FC3 CV_MAKETYPE(CV_64F,3)
622 #define CV_64FC4 CV_MAKETYPE(CV_64F,4)
623 #define CV_64FC(n) CV_MAKETYPE(CV_64F,(n))
625 #define CV_AUTO_STEP 0x7fffffff
626 #define CV_WHOLE_ARR cvSlice( 0, 0x3fffffff )
628 #define CV_MAT_CN_MASK ((CV_CN_MAX - 1) << CV_CN_SHIFT)
629 #define CV_MAT_CN(flags) ((((flags) & CV_MAT_CN_MASK) >> CV_CN_SHIFT) + 1)
630 #define CV_MAT_TYPE_MASK (CV_DEPTH_MAX*CV_CN_MAX - 1)
631 #define CV_MAT_TYPE(flags) ((flags) & CV_MAT_TYPE_MASK)
632 #define CV_MAT_CONT_FLAG_SHIFT 14
633 #define CV_MAT_CONT_FLAG (1 << CV_MAT_CONT_FLAG_SHIFT)
634 #define CV_IS_MAT_CONT(flags) ((flags) & CV_MAT_CONT_FLAG)
635 #define CV_IS_CONT_MAT CV_IS_MAT_CONT
636 #define CV_SUBMAT_FLAG_SHIFT 15
637 #define CV_SUBMAT_FLAG (1 << CV_SUBMAT_FLAG_SHIFT)
638 #define CV_IS_SUBMAT(flags) ((flags) & CV_MAT_SUBMAT_FLAG)
640 #define CV_MAGIC_MASK 0xFFFF0000
641 #define CV_MAT_MAGIC_VAL 0x42420000
642 #define CV_TYPE_NAME_MAT "opencv-matrix"
649 /* for internal use only */
683 #define CV_IS_MAT_HDR(mat) \
685 (((const CvMat*)(mat))->type & CV_MAGIC_MASK) == CV_MAT_MAGIC_VAL && \
686 ((const CvMat*)(mat))->cols > 0 && ((const CvMat*)(mat))->rows > 0)
688 #define CV_IS_MAT_HDR_Z(mat) \
690 (((const CvMat*)(mat))->type & CV_MAGIC_MASK) == CV_MAT_MAGIC_VAL && \
691 ((const CvMat*)(mat))->cols >= 0 && ((const CvMat*)(mat))->rows >= 0)
693 #define CV_IS_MAT(mat) \
694 (CV_IS_MAT_HDR(mat) && ((const CvMat*)(mat))->data.ptr != NULL)
696 #define CV_IS_MASK_ARR(mat) \
697 (((mat)->type & (CV_MAT_TYPE_MASK & ~CV_8SC1)) == 0)
699 #define CV_ARE_TYPES_EQ(mat1, mat2) \
700 ((((mat1)->type ^ (mat2)->type) & CV_MAT_TYPE_MASK) == 0)
702 #define CV_ARE_CNS_EQ(mat1, mat2) \
703 ((((mat1)->type ^ (mat2)->type) & CV_MAT_CN_MASK) == 0)
705 #define CV_ARE_DEPTHS_EQ(mat1, mat2) \
706 ((((mat1)->type ^ (mat2)->type) & CV_MAT_DEPTH_MASK) == 0)
708 #define CV_ARE_SIZES_EQ(mat1, mat2) \
709 ((mat1)->rows == (mat2)->rows && (mat1)->cols == (mat2)->cols)
711 #define CV_IS_MAT_CONST(mat) \
712 (((mat)->rows|(mat)->cols) == 1)
714 /* Size of each channel item,
715 0x124489 = 1000 0100 0100 0010 0010 0001 0001 ~ array of sizeof(arr_type_elem) */
716 #define CV_ELEM_SIZE1(type) \
717 ((((sizeof(size_t)<<28)|0x8442211) >> CV_MAT_DEPTH(type)*4) & 15)
719 /* 0x3a50 = 11 10 10 01 01 00 00 ~ array of log2(sizeof(arr_type_elem)) */
720 #define CV_ELEM_SIZE(type) \
721 (CV_MAT_CN(type) << ((((sizeof(size_t)/4+1)*16384|0x3a50) >> CV_MAT_DEPTH(type)*2) & 3))
723 #define IPL2CV_DEPTH(depth) \
724 ((((CV_8U)+(CV_16U<<4)+(CV_32F<<8)+(CV_64F<<16)+(CV_8S<<20)+ \
725 (CV_16S<<24)+(CV_32S<<28)) >> ((((depth) & 0xF0) >> 2) + \
726 (((depth) & IPL_DEPTH_SIGN) ? 20 : 0))) & 15)
728 /* Inline constructor. No data is allocated internally!!!
729 * (Use together with cvCreateData, or use cvCreateMat instead to
730 * get a matrix with allocated data):
732 CV_INLINE CvMat cvMat( int rows, int cols, int type, void* data CV_DEFAULT(NULL))
736 assert( (unsigned)CV_MAT_DEPTH(type) <= CV_64F );
737 type = CV_MAT_TYPE(type);
738 m.type = CV_MAT_MAGIC_VAL | CV_MAT_CONT_FLAG | type;
741 m.step = m.cols*CV_ELEM_SIZE(type);
742 m.data.ptr = (uchar*)data;
750 #define CV_MAT_ELEM_PTR_FAST( mat, row, col, pix_size ) \
751 (assert( (unsigned)(row) < (unsigned)(mat).rows && \
752 (unsigned)(col) < (unsigned)(mat).cols ), \
753 (mat).data.ptr + (size_t)(mat).step*(row) + (pix_size)*(col))
755 #define CV_MAT_ELEM_PTR( mat, row, col ) \
756 CV_MAT_ELEM_PTR_FAST( mat, row, col, CV_ELEM_SIZE((mat).type) )
758 #define CV_MAT_ELEM( mat, elemtype, row, col ) \
759 (*(elemtype*)CV_MAT_ELEM_PTR_FAST( mat, row, col, sizeof(elemtype)))
762 CV_INLINE double cvmGet( const CvMat* mat, int row, int col )
766 type = CV_MAT_TYPE(mat->type);
767 assert( (unsigned)row < (unsigned)mat->rows &&
768 (unsigned)col < (unsigned)mat->cols );
770 if( type == CV_32FC1 )
771 return ((float*)(void*)(mat->data.ptr + (size_t)mat->step*row))[col];
774 assert( type == CV_64FC1 );
775 return ((double*)(void*)(mat->data.ptr + (size_t)mat->step*row))[col];
780 CV_INLINE void cvmSet( CvMat* mat, int row, int col, double value )
783 type = CV_MAT_TYPE(mat->type);
784 assert( (unsigned)row < (unsigned)mat->rows &&
785 (unsigned)col < (unsigned)mat->cols );
787 if( type == CV_32FC1 )
788 ((float*)(void*)(mat->data.ptr + (size_t)mat->step*row))[col] = (float)value;
791 assert( type == CV_64FC1 );
792 ((double*)(void*)(mat->data.ptr + (size_t)mat->step*row))[col] = (double)value;
797 CV_INLINE int cvIplDepth( int type )
799 int depth = CV_MAT_DEPTH(type);
800 return CV_ELEM_SIZE1(depth)*8 | (depth == CV_8S || depth == CV_16S ||
801 depth == CV_32S ? IPL_DEPTH_SIGN : 0);
805 /****************************************************************************************\
806 * Multi-dimensional dense array (CvMatND) *
807 \****************************************************************************************/
809 #define CV_MATND_MAGIC_VAL 0x42430000
810 #define CV_TYPE_NAME_MATND "opencv-nd-matrix"
812 #define CV_MAX_DIM 32
813 #define CV_MAX_DIM_HEAP 1024
815 typedef struct CvMatND
841 #define CV_IS_MATND_HDR(mat) \
842 ((mat) != NULL && (((const CvMatND*)(mat))->type & CV_MAGIC_MASK) == CV_MATND_MAGIC_VAL)
844 #define CV_IS_MATND(mat) \
845 (CV_IS_MATND_HDR(mat) && ((const CvMatND*)(mat))->data.ptr != NULL)
848 /****************************************************************************************\
849 * Multi-dimensional sparse array (CvSparseMat) *
850 \****************************************************************************************/
852 #define CV_SPARSE_MAT_MAGIC_VAL 0x42440000
853 #define CV_TYPE_NAME_SPARSE_MAT "opencv-sparse-matrix"
857 typedef struct CvSparseMat
869 int size[CV_MAX_DIM];
873 #define CV_IS_SPARSE_MAT_HDR(mat) \
875 (((const CvSparseMat*)(mat))->type & CV_MAGIC_MASK) == CV_SPARSE_MAT_MAGIC_VAL)
877 #define CV_IS_SPARSE_MAT(mat) \
878 CV_IS_SPARSE_MAT_HDR(mat)
880 /**************** iteration through a sparse array *****************/
882 typedef struct CvSparseNode
885 struct CvSparseNode* next;
889 typedef struct CvSparseMatIterator
897 #define CV_NODE_VAL(mat,node) ((void*)((uchar*)(node) + (mat)->valoffset))
898 #define CV_NODE_IDX(mat,node) ((int*)((uchar*)(node) + (mat)->idxoffset))
900 /****************************************************************************************\
902 \****************************************************************************************/
904 typedef int CvHistType;
906 #define CV_HIST_MAGIC_VAL 0x42450000
907 #define CV_HIST_UNIFORM_FLAG (1 << 10)
909 /* indicates whether bin ranges are set already or not */
910 #define CV_HIST_RANGES_FLAG (1 << 11)
912 #define CV_HIST_ARRAY 0
913 #define CV_HIST_SPARSE 1
914 #define CV_HIST_TREE CV_HIST_SPARSE
916 /* should be used as a parameter only,
917 it turns to CV_HIST_UNIFORM_FLAG of hist->type */
918 #define CV_HIST_UNIFORM 1
920 typedef struct CvHistogram
924 float thresh[CV_MAX_DIM][2]; /* For uniform histograms. */
925 float** thresh2; /* For non-uniform histograms. */
926 CvMatND mat; /* Embedded matrix header for array histograms. */
930 #define CV_IS_HIST( hist ) \
932 (((CvHistogram*)(hist))->type & CV_MAGIC_MASK) == CV_HIST_MAGIC_VAL && \
933 (hist)->bins != NULL)
935 #define CV_IS_UNIFORM_HIST( hist ) \
936 (((hist)->type & CV_HIST_UNIFORM_FLAG) != 0)
938 #define CV_IS_SPARSE_HIST( hist ) \
939 CV_IS_SPARSE_MAT((hist)->bins)
941 #define CV_HIST_HAS_RANGES( hist ) \
942 (((hist)->type & CV_HIST_RANGES_FLAG) != 0)
944 /****************************************************************************************\
945 * Other supplementary data type definitions *
946 \****************************************************************************************/
948 /*************************************** CvRect *****************************************/
950 typedef struct CvRect
959 CV_INLINE CvRect cvRect( int x, int y, int width, int height )
972 CV_INLINE IplROI cvRectToROI( CvRect rect, int coi )
975 roi.xOffset = rect.x;
976 roi.yOffset = rect.y;
977 roi.width = rect.width;
978 roi.height = rect.height;
985 CV_INLINE CvRect cvROIToRect( IplROI roi )
987 return cvRect( roi.xOffset, roi.yOffset, roi.width, roi.height );
990 /*********************************** CvTermCriteria *************************************/
992 #define CV_TERMCRIT_ITER 1
993 #define CV_TERMCRIT_NUMBER CV_TERMCRIT_ITER
994 #define CV_TERMCRIT_EPS 2
996 typedef struct CvTermCriteria
998 int type; /* may be combination of
1006 CV_INLINE CvTermCriteria cvTermCriteria( int type, int max_iter, double epsilon )
1011 t.max_iter = max_iter;
1012 t.epsilon = (float)epsilon;
1018 /******************************* CvPoint and variants ***********************************/
1020 typedef struct CvPoint
1028 CV_INLINE CvPoint cvPoint( int x, int y )
1039 typedef struct CvPoint2D32f
1047 CV_INLINE CvPoint2D32f cvPoint2D32f( double x, double y )
1058 CV_INLINE CvPoint2D32f cvPointTo32f( CvPoint point )
1060 return cvPoint2D32f( (float)point.x, (float)point.y );
1064 CV_INLINE CvPoint cvPointFrom32f( CvPoint2D32f point )
1067 ipt.x = cvRound(point.x);
1068 ipt.y = cvRound(point.y);
1074 typedef struct CvPoint3D32f
1083 CV_INLINE CvPoint3D32f cvPoint3D32f( double x, double y, double z )
1095 typedef struct CvPoint2D64f
1103 CV_INLINE CvPoint2D64f cvPoint2D64f( double x, double y )
1114 typedef struct CvPoint3D64f
1123 CV_INLINE CvPoint3D64f cvPoint3D64f( double x, double y, double z )
1135 /******************************** CvSize's & CvBox **************************************/
1137 typedef struct CvSize
1144 CV_INLINE CvSize cvSize( int width, int height )
1154 typedef struct CvSize2D32f
1162 CV_INLINE CvSize2D32f cvSize2D32f( double width, double height )
1166 s.width = (float)width;
1167 s.height = (float)height;
1172 typedef struct CvBox2D
1174 CvPoint2D32f center; /* Center of the box. */
1175 CvSize2D32f size; /* Box width and length. */
1176 float angle; /* Angle between the horizontal axis */
1177 /* and the first side (i.e. length) in degrees */
1182 /* Line iterator state: */
1183 typedef struct CvLineIterator
1185 /* Pointer to the current point: */
1188 /* Bresenham algorithm state: */
1199 /************************************* CvSlice ******************************************/
1201 typedef struct CvSlice
1203 int start_index, end_index;
1207 CV_INLINE CvSlice cvSlice( int start, int end )
1210 slice.start_index = start;
1211 slice.end_index = end;
1216 #define CV_WHOLE_SEQ_END_INDEX 0x3fffffff
1217 #define CV_WHOLE_SEQ cvSlice(0, CV_WHOLE_SEQ_END_INDEX)
1220 /************************************* CvScalar *****************************************/
1222 typedef struct CvScalar
1228 CV_INLINE CvScalar cvScalar( double val0, double val1 CV_DEFAULT(0),
1229 double val2 CV_DEFAULT(0), double val3 CV_DEFAULT(0))
1232 scalar.val[0] = val0; scalar.val[1] = val1;
1233 scalar.val[2] = val2; scalar.val[3] = val3;
1238 CV_INLINE CvScalar cvRealScalar( double val0 )
1241 scalar.val[0] = val0;
1242 scalar.val[1] = scalar.val[2] = scalar.val[3] = 0;
1246 CV_INLINE CvScalar cvScalarAll( double val0123 )
1249 scalar.val[0] = val0123;
1250 scalar.val[1] = val0123;
1251 scalar.val[2] = val0123;
1252 scalar.val[3] = val0123;
1256 /****************************************************************************************\
1257 * Dynamic Data structures *
1258 \****************************************************************************************/
1260 /******************************** Memory storage ****************************************/
1262 typedef struct CvMemBlock
1264 struct CvMemBlock* prev;
1265 struct CvMemBlock* next;
1269 #define CV_STORAGE_MAGIC_VAL 0x42890000
1271 typedef struct CvMemStorage
1274 CvMemBlock* bottom; /* First allocated block. */
1275 CvMemBlock* top; /* Current memory block - top of the stack. */
1276 struct CvMemStorage* parent; /* We get new blocks from parent as needed. */
1277 int block_size; /* Block size. */
1278 int free_space; /* Remaining free space in current block. */
1282 #define CV_IS_STORAGE(storage) \
1283 ((storage) != NULL && \
1284 (((CvMemStorage*)(storage))->signature & CV_MAGIC_MASK) == CV_STORAGE_MAGIC_VAL)
1287 typedef struct CvMemStoragePos
1295 /*********************************** Sequence *******************************************/
1297 typedef struct CvSeqBlock
1299 struct CvSeqBlock* prev; /* Previous sequence block. */
1300 struct CvSeqBlock* next; /* Next sequence block. */
1301 int start_index; /* Index of the first element in the block + */
1302 /* sequence->first->start_index. */
1303 int count; /* Number of elements in the block. */
1304 schar* data; /* Pointer to the first element of the block. */
1309 #define CV_TREE_NODE_FIELDS(node_type) \
1310 int flags; /* Miscellaneous flags. */ \
1311 int header_size; /* Size of sequence header. */ \
1312 struct node_type* h_prev; /* Previous sequence. */ \
1313 struct node_type* h_next; /* Next sequence. */ \
1314 struct node_type* v_prev; /* 2nd previous sequence. */ \
1315 struct node_type* v_next /* 2nd next sequence. */
1318 Read/Write sequence.
1319 Elements can be dynamically inserted to or deleted from the sequence.
1321 #define CV_SEQUENCE_FIELDS() \
1322 CV_TREE_NODE_FIELDS(CvSeq); \
1323 int total; /* Total number of elements. */ \
1324 int elem_size; /* Size of sequence element in bytes. */ \
1325 schar* block_max; /* Maximal bound of the last block. */ \
1326 schar* ptr; /* Current write pointer. */ \
1327 int delta_elems; /* Grow seq this many at a time. */ \
1328 CvMemStorage* storage; /* Where the seq is stored. */ \
1329 CvSeqBlock* free_blocks; /* Free blocks list. */ \
1330 CvSeqBlock* first; /* Pointer to the first sequence block. */
1332 typedef struct CvSeq
1334 CV_SEQUENCE_FIELDS()
1338 #define CV_TYPE_NAME_SEQ "opencv-sequence"
1339 #define CV_TYPE_NAME_SEQ_TREE "opencv-sequence-tree"
1341 /*************************************** Set ********************************************/
1344 Order is not preserved. There can be gaps between sequence elements.
1345 After the element has been inserted it stays in the same place all the time.
1346 The MSB(most-significant or sign bit) of the first field (flags) is 0 iff the element exists.
1348 #define CV_SET_ELEM_FIELDS(elem_type) \
1350 struct elem_type* next_free;
1352 typedef struct CvSetElem
1354 CV_SET_ELEM_FIELDS(CvSetElem)
1358 #define CV_SET_FIELDS() \
1359 CV_SEQUENCE_FIELDS() \
1360 CvSetElem* free_elems; \
1363 typedef struct CvSet
1370 #define CV_SET_ELEM_IDX_MASK ((1 << 26) - 1)
1371 #define CV_SET_ELEM_FREE_FLAG (1 << (sizeof(int)*8-1))
1373 /* Checks whether the element pointed by ptr belongs to a set or not */
1374 #define CV_IS_SET_ELEM( ptr ) (((CvSetElem*)(ptr))->flags >= 0)
1376 /************************************* Graph ********************************************/
1379 We represent a graph as a set of vertices.
1380 Vertices contain their adjacency lists (more exactly, pointers to first incoming or
1381 outcoming edge (or 0 if isolated vertex)). Edges are stored in another set.
1382 There is a singly-linked list of incoming/outcoming edges for each vertex.
1384 Each edge consists of
1386 o Two pointers to the starting and ending vertices
1387 (vtx[0] and vtx[1] respectively).
1389 A graph may be oriented or not. In the latter case, edges between
1390 vertex i to vertex j are not distinguished during search operations.
1392 o Two pointers to next edges for the starting and ending vertices, where
1393 next[0] points to the next edge in the vtx[0] adjacency list and
1394 next[1] points to the next edge in the vtx[1] adjacency list.
1396 #define CV_GRAPH_EDGE_FIELDS() \
1399 struct CvGraphEdge* next[2]; \
1400 struct CvGraphVtx* vtx[2];
1403 #define CV_GRAPH_VERTEX_FIELDS() \
1405 struct CvGraphEdge* first;
1408 typedef struct CvGraphEdge
1410 CV_GRAPH_EDGE_FIELDS()
1414 typedef struct CvGraphVtx
1416 CV_GRAPH_VERTEX_FIELDS()
1420 typedef struct CvGraphVtx2D
1422 CV_GRAPH_VERTEX_FIELDS()
1428 Graph is "derived" from the set (this is set a of vertices)
1429 and includes another set (edges)
1431 #define CV_GRAPH_FIELDS() \
1435 typedef struct CvGraph
1441 #define CV_TYPE_NAME_GRAPH "opencv-graph"
1443 /*********************************** Chain/Countour *************************************/
1445 typedef struct CvChain
1447 CV_SEQUENCE_FIELDS()
1452 #define CV_CONTOUR_FIELDS() \
1453 CV_SEQUENCE_FIELDS() \
1458 typedef struct CvContour
1464 typedef CvContour CvPoint2DSeq;
1466 /****************************************************************************************\
1468 \****************************************************************************************/
1470 #define CV_SEQ_MAGIC_VAL 0x42990000
1472 #define CV_IS_SEQ(seq) \
1473 ((seq) != NULL && (((CvSeq*)(seq))->flags & CV_MAGIC_MASK) == CV_SEQ_MAGIC_VAL)
1475 #define CV_SET_MAGIC_VAL 0x42980000
1476 #define CV_IS_SET(set) \
1477 ((set) != NULL && (((CvSeq*)(set))->flags & CV_MAGIC_MASK) == CV_SET_MAGIC_VAL)
1479 #define CV_SEQ_ELTYPE_BITS 12
1480 #define CV_SEQ_ELTYPE_MASK ((1 << CV_SEQ_ELTYPE_BITS) - 1)
1482 #define CV_SEQ_ELTYPE_POINT CV_32SC2 /* (x,y) */
1483 #define CV_SEQ_ELTYPE_CODE CV_8UC1 /* freeman code: 0..7 */
1484 #define CV_SEQ_ELTYPE_GENERIC 0
1485 #define CV_SEQ_ELTYPE_PTR CV_USRTYPE1
1486 #define CV_SEQ_ELTYPE_PPOINT CV_SEQ_ELTYPE_PTR /* &(x,y) */
1487 #define CV_SEQ_ELTYPE_INDEX CV_32SC1 /* #(x,y) */
1488 #define CV_SEQ_ELTYPE_GRAPH_EDGE 0 /* &next_o, &next_d, &vtx_o, &vtx_d */
1489 #define CV_SEQ_ELTYPE_GRAPH_VERTEX 0 /* first_edge, &(x,y) */
1490 #define CV_SEQ_ELTYPE_TRIAN_ATR 0 /* vertex of the binary tree */
1491 #define CV_SEQ_ELTYPE_CONNECTED_COMP 0 /* connected component */
1492 #define CV_SEQ_ELTYPE_POINT3D CV_32FC3 /* (x,y,z) */
1494 #define CV_SEQ_KIND_BITS 2
1495 #define CV_SEQ_KIND_MASK (((1 << CV_SEQ_KIND_BITS) - 1)<<CV_SEQ_ELTYPE_BITS)
1497 /* types of sequences */
1498 #define CV_SEQ_KIND_GENERIC (0 << CV_SEQ_ELTYPE_BITS)
1499 #define CV_SEQ_KIND_CURVE (1 << CV_SEQ_ELTYPE_BITS)
1500 #define CV_SEQ_KIND_BIN_TREE (2 << CV_SEQ_ELTYPE_BITS)
1502 /* types of sparse sequences (sets) */
1503 #define CV_SEQ_KIND_GRAPH (1 << CV_SEQ_ELTYPE_BITS)
1504 #define CV_SEQ_KIND_SUBDIV2D (2 << CV_SEQ_ELTYPE_BITS)
1506 #define CV_SEQ_FLAG_SHIFT (CV_SEQ_KIND_BITS + CV_SEQ_ELTYPE_BITS)
1508 /* flags for curves */
1509 #define CV_SEQ_FLAG_CLOSED (1 << CV_SEQ_FLAG_SHIFT)
1510 #define CV_SEQ_FLAG_SIMPLE (0 << CV_SEQ_FLAG_SHIFT)
1511 #define CV_SEQ_FLAG_CONVEX (0 << CV_SEQ_FLAG_SHIFT)
1512 #define CV_SEQ_FLAG_HOLE (2 << CV_SEQ_FLAG_SHIFT)
1514 /* flags for graphs */
1515 #define CV_GRAPH_FLAG_ORIENTED (1 << CV_SEQ_FLAG_SHIFT)
1517 #define CV_GRAPH CV_SEQ_KIND_GRAPH
1518 #define CV_ORIENTED_GRAPH (CV_SEQ_KIND_GRAPH|CV_GRAPH_FLAG_ORIENTED)
1521 #define CV_SEQ_POINT_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT)
1522 #define CV_SEQ_POINT3D_SET (CV_SEQ_KIND_GENERIC| CV_SEQ_ELTYPE_POINT3D)
1523 #define CV_SEQ_POLYLINE (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_POINT)
1524 #define CV_SEQ_POLYGON (CV_SEQ_FLAG_CLOSED | CV_SEQ_POLYLINE )
1525 #define CV_SEQ_CONTOUR CV_SEQ_POLYGON
1526 #define CV_SEQ_SIMPLE_POLYGON (CV_SEQ_FLAG_SIMPLE | CV_SEQ_POLYGON )
1528 /* chain-coded curves */
1529 #define CV_SEQ_CHAIN (CV_SEQ_KIND_CURVE | CV_SEQ_ELTYPE_CODE)
1530 #define CV_SEQ_CHAIN_CONTOUR (CV_SEQ_FLAG_CLOSED | CV_SEQ_CHAIN)
1532 /* binary tree for the contour */
1533 #define CV_SEQ_POLYGON_TREE (CV_SEQ_KIND_BIN_TREE | CV_SEQ_ELTYPE_TRIAN_ATR)
1535 /* sequence of the connected components */
1536 #define CV_SEQ_CONNECTED_COMP (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_CONNECTED_COMP)
1538 /* sequence of the integer numbers */
1539 #define CV_SEQ_INDEX (CV_SEQ_KIND_GENERIC | CV_SEQ_ELTYPE_INDEX)
1541 #define CV_SEQ_ELTYPE( seq ) ((seq)->flags & CV_SEQ_ELTYPE_MASK)
1542 #define CV_SEQ_KIND( seq ) ((seq)->flags & CV_SEQ_KIND_MASK )
1545 #define CV_IS_SEQ_INDEX( seq ) ((CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_INDEX) && \
1546 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_GENERIC))
1548 #define CV_IS_SEQ_CURVE( seq ) (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE)
1549 #define CV_IS_SEQ_CLOSED( seq ) (((seq)->flags & CV_SEQ_FLAG_CLOSED) != 0)
1550 #define CV_IS_SEQ_CONVEX( seq ) 0
1551 #define CV_IS_SEQ_HOLE( seq ) (((seq)->flags & CV_SEQ_FLAG_HOLE) != 0)
1552 #define CV_IS_SEQ_SIMPLE( seq ) 1
1554 /* type checking macros */
1555 #define CV_IS_SEQ_POINT_SET( seq ) \
1556 ((CV_SEQ_ELTYPE(seq) == CV_32SC2 || CV_SEQ_ELTYPE(seq) == CV_32FC2))
1558 #define CV_IS_SEQ_POINT_SUBSET( seq ) \
1559 (CV_IS_SEQ_INDEX( seq ) || CV_SEQ_ELTYPE(seq) == CV_SEQ_ELTYPE_PPOINT)
1561 #define CV_IS_SEQ_POLYLINE( seq ) \
1562 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && CV_IS_SEQ_POINT_SET(seq))
1564 #define CV_IS_SEQ_POLYGON( seq ) \
1565 (CV_IS_SEQ_POLYLINE(seq) && CV_IS_SEQ_CLOSED(seq))
1567 #define CV_IS_SEQ_CHAIN( seq ) \
1568 (CV_SEQ_KIND(seq) == CV_SEQ_KIND_CURVE && (seq)->elem_size == 1)
1570 #define CV_IS_SEQ_CONTOUR( seq ) \
1571 (CV_IS_SEQ_CLOSED(seq) && (CV_IS_SEQ_POLYLINE(seq) || CV_IS_SEQ_CHAIN(seq)))
1573 #define CV_IS_SEQ_CHAIN_CONTOUR( seq ) \
1574 (CV_IS_SEQ_CHAIN( seq ) && CV_IS_SEQ_CLOSED( seq ))
1576 #define CV_IS_SEQ_POLYGON_TREE( seq ) \
1577 (CV_SEQ_ELTYPE (seq) == CV_SEQ_ELTYPE_TRIAN_ATR && \
1578 CV_SEQ_KIND( seq ) == CV_SEQ_KIND_BIN_TREE )
1580 #define CV_IS_GRAPH( seq ) \
1581 (CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_GRAPH)
1583 #define CV_IS_GRAPH_ORIENTED( seq ) \
1584 (((seq)->flags & CV_GRAPH_FLAG_ORIENTED) != 0)
1586 #define CV_IS_SUBDIV2D( seq ) \
1587 (CV_IS_SET(seq) && CV_SEQ_KIND((CvSet*)(seq)) == CV_SEQ_KIND_SUBDIV2D)
1589 /****************************************************************************************/
1590 /* Sequence writer & reader */
1591 /****************************************************************************************/
1593 #define CV_SEQ_WRITER_FIELDS() \
1595 CvSeq* seq; /* the sequence written */ \
1596 CvSeqBlock* block; /* current block */ \
1597 schar* ptr; /* pointer to free space */ \
1598 schar* block_min; /* pointer to the beginning of block*/\
1599 schar* block_max; /* pointer to the end of block */
1601 typedef struct CvSeqWriter
1603 CV_SEQ_WRITER_FIELDS()
1608 #define CV_SEQ_READER_FIELDS() \
1610 CvSeq* seq; /* sequence, beign read */ \
1611 CvSeqBlock* block; /* current block */ \
1612 schar* ptr; /* pointer to element be read next */ \
1613 schar* block_min; /* pointer to the beginning of block */\
1614 schar* block_max; /* pointer to the end of block */ \
1615 int delta_index;/* = seq->first->start_index */ \
1616 schar* prev_elem; /* pointer to previous element */
1619 typedef struct CvSeqReader
1621 CV_SEQ_READER_FIELDS()
1625 /****************************************************************************************/
1626 /* Operations on sequences */
1627 /****************************************************************************************/
1629 #define CV_SEQ_ELEM( seq, elem_type, index ) \
1630 /* assert gives some guarantee that <seq> parameter is valid */ \
1631 ( assert(sizeof((seq)->first[0]) == sizeof(CvSeqBlock) && \
1632 (seq)->elem_size == sizeof(elem_type)), \
1633 (elem_type*)((seq)->first && (unsigned)index < \
1634 (unsigned)((seq)->first->count) ? \
1635 (seq)->first->data + (index) * sizeof(elem_type) : \
1636 cvGetSeqElem( (CvSeq*)(seq), (index) )))
1637 #define CV_GET_SEQ_ELEM( elem_type, seq, index ) CV_SEQ_ELEM( (seq), elem_type, (index) )
1639 /* Add element to sequence: */
1640 #define CV_WRITE_SEQ_ELEM_VAR( elem_ptr, writer ) \
1642 if( (writer).ptr >= (writer).block_max ) \
1644 cvCreateSeqBlock( &writer); \
1646 memcpy((writer).ptr, elem_ptr, (writer).seq->elem_size);\
1647 (writer).ptr += (writer).seq->elem_size; \
1650 #define CV_WRITE_SEQ_ELEM( elem, writer ) \
1652 assert( (writer).seq->elem_size == sizeof(elem)); \
1653 if( (writer).ptr >= (writer).block_max ) \
1655 cvCreateSeqBlock( &writer); \
1657 assert( (writer).ptr <= (writer).block_max - sizeof(elem));\
1658 memcpy((writer).ptr, &(elem), sizeof(elem)); \
1659 (writer).ptr += sizeof(elem); \
1663 /* Move reader position forward: */
1664 #define CV_NEXT_SEQ_ELEM( elem_size, reader ) \
1666 if( ((reader).ptr += (elem_size)) >= (reader).block_max ) \
1668 cvChangeSeqBlock( &(reader), 1 ); \
1673 /* Move reader position backward: */
1674 #define CV_PREV_SEQ_ELEM( elem_size, reader ) \
1676 if( ((reader).ptr -= (elem_size)) < (reader).block_min ) \
1678 cvChangeSeqBlock( &(reader), -1 ); \
1682 /* Read element and move read position forward: */
1683 #define CV_READ_SEQ_ELEM( elem, reader ) \
1685 assert( (reader).seq->elem_size == sizeof(elem)); \
1686 memcpy( &(elem), (reader).ptr, sizeof((elem))); \
1687 CV_NEXT_SEQ_ELEM( sizeof(elem), reader ) \
1690 /* Read element and move read position backward: */
1691 #define CV_REV_READ_SEQ_ELEM( elem, reader ) \
1693 assert( (reader).seq->elem_size == sizeof(elem)); \
1694 memcpy(&(elem), (reader).ptr, sizeof((elem))); \
1695 CV_PREV_SEQ_ELEM( sizeof(elem), reader ) \
1699 #define CV_READ_CHAIN_POINT( _pt, reader ) \
1701 (_pt) = (reader).pt; \
1702 if( (reader).ptr ) \
1704 CV_READ_SEQ_ELEM( (reader).code, (reader)); \
1705 assert( ((reader).code & ~7) == 0 ); \
1706 (reader).pt.x += (reader).deltas[(int)(reader).code][0]; \
1707 (reader).pt.y += (reader).deltas[(int)(reader).code][1]; \
1711 #define CV_CURRENT_POINT( reader ) (*((CvPoint*)((reader).ptr)))
1712 #define CV_PREV_POINT( reader ) (*((CvPoint*)((reader).prev_elem)))
1714 #define CV_READ_EDGE( pt1, pt2, reader ) \
1716 assert( sizeof(pt1) == sizeof(CvPoint) && \
1717 sizeof(pt2) == sizeof(CvPoint) && \
1718 reader.seq->elem_size == sizeof(CvPoint)); \
1719 (pt1) = CV_PREV_POINT( reader ); \
1720 (pt2) = CV_CURRENT_POINT( reader ); \
1721 (reader).prev_elem = (reader).ptr; \
1722 CV_NEXT_SEQ_ELEM( sizeof(CvPoint), (reader)); \
1725 /************ Graph macros ************/
1727 /* Return next graph edge for given vertex: */
1728 #define CV_NEXT_GRAPH_EDGE( edge, vertex ) \
1729 (assert((edge)->vtx[0] == (vertex) || (edge)->vtx[1] == (vertex)), \
1730 (edge)->next[(edge)->vtx[1] == (vertex)])
1734 /****************************************************************************************\
1735 * Data structures for persistence (a.k.a serialization) functionality *
1736 \****************************************************************************************/
1738 /* "black box" file storage */
1739 typedef struct CvFileStorage CvFileStorage;
1741 /* Storage flags: */
1742 #define CV_STORAGE_READ 0
1743 #define CV_STORAGE_WRITE 1
1744 #define CV_STORAGE_WRITE_TEXT CV_STORAGE_WRITE
1745 #define CV_STORAGE_WRITE_BINARY CV_STORAGE_WRITE
1746 #define CV_STORAGE_APPEND 2
1747 #define CV_STORAGE_MEMORY 4
1748 #define CV_STORAGE_FORMAT_MASK (7<<3)
1749 #define CV_STORAGE_FORMAT_AUTO 0
1750 #define CV_STORAGE_FORMAT_XML 8
1751 #define CV_STORAGE_FORMAT_YAML 16
1753 /* List of attributes: */
1754 typedef struct CvAttrList
1756 const char** attr; /* NULL-terminated array of (attribute_name,attribute_value) pairs. */
1757 struct CvAttrList* next; /* Pointer to next chunk of the attributes list. */
1761 CV_INLINE CvAttrList cvAttrList( const char** attr CV_DEFAULT(NULL),
1762 CvAttrList* next CV_DEFAULT(NULL) )
1773 #define CV_NODE_NONE 0
1774 #define CV_NODE_INT 1
1775 #define CV_NODE_INTEGER CV_NODE_INT
1776 #define CV_NODE_REAL 2
1777 #define CV_NODE_FLOAT CV_NODE_REAL
1778 #define CV_NODE_STR 3
1779 #define CV_NODE_STRING CV_NODE_STR
1780 #define CV_NODE_REF 4 /* not used */
1781 #define CV_NODE_SEQ 5
1782 #define CV_NODE_MAP 6
1783 #define CV_NODE_TYPE_MASK 7
1785 #define CV_NODE_TYPE(flags) ((flags) & CV_NODE_TYPE_MASK)
1787 /* file node flags */
1788 #define CV_NODE_FLOW 8 /* Used only for writing structures in YAML format. */
1789 #define CV_NODE_USER 16
1790 #define CV_NODE_EMPTY 32
1791 #define CV_NODE_NAMED 64
1793 #define CV_NODE_IS_INT(flags) (CV_NODE_TYPE(flags) == CV_NODE_INT)
1794 #define CV_NODE_IS_REAL(flags) (CV_NODE_TYPE(flags) == CV_NODE_REAL)
1795 #define CV_NODE_IS_STRING(flags) (CV_NODE_TYPE(flags) == CV_NODE_STRING)
1796 #define CV_NODE_IS_SEQ(flags) (CV_NODE_TYPE(flags) == CV_NODE_SEQ)
1797 #define CV_NODE_IS_MAP(flags) (CV_NODE_TYPE(flags) == CV_NODE_MAP)
1798 #define CV_NODE_IS_COLLECTION(flags) (CV_NODE_TYPE(flags) >= CV_NODE_SEQ)
1799 #define CV_NODE_IS_FLOW(flags) (((flags) & CV_NODE_FLOW) != 0)
1800 #define CV_NODE_IS_EMPTY(flags) (((flags) & CV_NODE_EMPTY) != 0)
1801 #define CV_NODE_IS_USER(flags) (((flags) & CV_NODE_USER) != 0)
1802 #define CV_NODE_HAS_NAME(flags) (((flags) & CV_NODE_NAMED) != 0)
1804 #define CV_NODE_SEQ_SIMPLE 256
1805 #define CV_NODE_SEQ_IS_SIMPLE(seq) (((seq)->flags & CV_NODE_SEQ_SIMPLE) != 0)
1807 typedef struct CvString
1814 /* All the keys (names) of elements in the readed file storage
1815 are stored in the hash to speed up the lookup operations: */
1816 typedef struct CvStringHashNode
1820 struct CvStringHashNode* next;
1824 typedef struct CvGenericHash CvFileNodeHash;
1826 /* Basic element of the file storage - scalar or collection: */
1827 typedef struct CvFileNode
1830 struct CvTypeInfo* info; /* type information
1831 (only for user-defined object, for others it is 0) */
1834 double f; /* scalar floating-point number */
1835 int i; /* scalar integer number */
1836 CvString str; /* text string */
1837 CvSeq* seq; /* sequence (ordered collection of file nodes) */
1838 CvFileNodeHash* map; /* map (collection of named file nodes) */
1846 typedef int (CV_CDECL *CvIsInstanceFunc)( const void* struct_ptr );
1847 typedef void (CV_CDECL *CvReleaseFunc)( void** struct_dblptr );
1848 typedef void* (CV_CDECL *CvReadFunc)( CvFileStorage* storage, CvFileNode* node );
1849 typedef void (CV_CDECL *CvWriteFunc)( CvFileStorage* storage, const char* name,
1850 const void* struct_ptr, CvAttrList attributes );
1851 typedef void* (CV_CDECL *CvCloneFunc)( const void* struct_ptr );
1856 typedef struct CvTypeInfo
1860 struct CvTypeInfo* prev;
1861 struct CvTypeInfo* next;
1862 const char* type_name;
1863 CvIsInstanceFunc is_instance;
1864 CvReleaseFunc release;
1872 /**** System data types ******/
1874 typedef struct CvPluginFuncInfo
1877 void* default_func_addr;
1878 const char* func_names;
1884 typedef struct CvModuleInfo
1886 struct CvModuleInfo* next;
1888 const char* version;
1889 CvPluginFuncInfo* func_tab;
1893 #endif /*__OPENCV_CORE_TYPES_H__*/