cvimgwarp.cpp File Reference

#include "_cv.h"

Classes
struct	CvResizeAlpha
struct	CvDecimateAlpha

Macros
#define	ICV_WARP_MUL_ONE_8U(x)   ((x) << ICV_WARP_SHIFT)
#define	ICV_WARP_DESCALE_8U(x)   CV_DESCALE((x), ICV_WARP_SHIFT*2)
#define	ICV_WARP_CLIP_X(x)
#define	ICV_WARP_CLIP_Y(y)
#define	ICV_CUBIC_1(x)   (((A + 2)*(x) - (A + 3))*(x)*(x) + 1)
#define	ICV_CUBIC_2(x)   (((A*(x) - 5*A)*(x) + 8*A)*(x) - 4*A)
#define	ICV_DEF_RESIZE_BILINEAR_FUNC(flavor, arrtype, worktype, alpha_field,mul_one_macro, descale_macro)
#define	ICV_DEF_RESIZE_AREA_FAST_FUNC(flavor, arrtype, worktype, cast_macro)
#define	ICV_DEF_RESIZE_AREA_FUNC(flavor, arrtype, load_macro, cast_macro)
#define	ICV_DEF_RESIZE_BICUBIC_FUNC(flavor, arrtype, worktype, load_macro,cast_macro1, cast_macro2)
#define	ICV_DEF_WARP_AFFINE_BILINEAR_FUNC(flavor, arrtype, worktype,scale_alpha_macro, mul_one_macro, descale_macro, cast_macro)
#define	ICV_WARP_SCALE_ALPHA(x)   ((x)*(1./(ICV_WARP_MASK+1)))
#define	ICV_DEF_WARP_PERSPECTIVE_BILINEAR_FUNC(flavor, arrtype, load_macro, cast_macro)
#define	ICV_WARP_SCALE_ALPHA(x)   ((x)*(1./(ICV_WARP_MASK+1)))
#define	ICV_DEF_REMAP_BILINEAR_FUNC(flavor, arrtype, load_macro, cast_macro)
#define	ICV_DEF_REMAP_BICUBIC_FUNC(flavor, arrtype, worktype,load_macro, cast_macro1, cast_macro2)
#define	CV_REMAP_SHIFT   5
#define	CV_REMAP_MASK   ((1 << CV_REMAP_SHIFT) - 1)
#define	align(x)

Typedefs
typedef struct CvResizeAlpha	CvResizeAlpha
typedef struct CvDecimateAlpha	CvDecimateAlpha
typedef int	srcstep
typedef int CvSize	ssize
typedef int CvSize void *	dst
typedef int CvSize void int	dststep
typedef int CvSize void int CvSize	dsize
typedef int CvSize void int CvSize int	cn
typedef int CvSize void int CvSize int int	xmax
typedef int CvSize void int CvSize int int const CvResizeAlpha *	xofs
typedef int CvSize void int CvSize int int const CvResizeAlpha const CvResizeAlpha *	yofs
typedef int CvSize void int CvSize int int const CvResizeAlpha const CvResizeAlpha float *	buf0
typedef int CvSize void int CvSize int int const CvResizeAlpha const CvResizeAlpha float float *	buf1
typedef int CvSize void int CvSize int int	xmin
typedef int CvSize void int CvSize int int int const CvResizeAlpha float **	buf
typedef int CvSize void int CvSize int const int *	ofs
typedef int CvSize void int CvSize int const CvDecimateAlpha int	xofs_count
typedef int CvSize void int CvSize int const CvDecimateAlpha int float float *	sum
typedef CvSize	srcsize
typedef CvSize int CvRect	srcroi
typedef CvSize int CvRect void int CvSize	dstroi
typedef CvSize int CvRect void int CvSize double	xfactor
typedef CvSize int CvRect void int CvSize double double	yfactor
typedef CvSize int CvRect void int CvSize double double int	interpolation
typedef CvSize int CvRect void int CvRect const double *	coeffs
typedef CvStatus(CV_STDCALL *	CvWarpPerspectiveFunc )(const void *src, int srcstep, CvSize ssize, void *dst, int dststep, CvSize dsize, const double *matrix, int cn, const void *fillval)
typedef CvStatus(CV_STDCALL *	CvRemapFunc )(const void *src, int srcstep, CvSize ssize, void *dst, int dststep, CvSize dsize, const float *mapx, int mxstep, const float *mapy, int mystep, int cn, const void *fillval)
typedef CvStatus(CV_STDCALL *	CvRemapIPPFunc )(const void *src, CvSize srcsize, int srcstep, CvRect srcroi, const float *xmap, int xmapstep, const float *ymap, int ymapstep, void *dst, int dststep, CvSize dstsize, int interpolation)

Functions
void	icvInitLinearCoeffTab ()
void	icvInitCubicCoeffTab ()
	ICV_DEF_RESIZE_BILINEAR_FUNC (8u, uchar, int, ialpha, ICV_WARP_MUL_ONE_8U, ICV_WARP_DESCALE_8U) static void icvInitResizeTab(CvFuncTable *bilin_tab
typedef	CvStatus (CV_STDCALL *CvResizeBilinearFunc)(const void *src
CV_IMPL void	cvResize (const CvArr *srcarr, CvArr *dstarr, int method)
	ICV_DEF_WARP_AFFINE_BILINEAR_FUNC (8u, uchar, int, CV_NOP, ICV_WARP_MUL_ONE_8U, ICV_WARP_DESCALE_8U, CV_NOP) ICV_DEF_WARP_AFFINE_BILINEAR_FUNC(16u
cvRound	ICV_DEF_WARP_AFFINE_BILINEAR_FUNC (32f, float, double, ICV_WARP_SCALE_ALPHA, CV_NOP, CV_NOP, CV_NOP) typedef CvStatus(CV_STDCALL *CvWarpAffineFunc)(const void *src
CV_IMPL void	cvWarpAffine (const CvArr *srcarr, CvArr *dstarr, const CvMat *matrix, int flags, CvScalar fillval)
CV_IMPL CvMat *	cv2DRotationMatrix (CvPoint2D32f center, double angle, double scale, CvMat *matrix)
CV_IMPL void	cvWarpPerspective (const CvArr *srcarr, CvArr *dstarr, const CvMat *matrix, int flags, CvScalar fillval)
CV_IMPL CvMat *	cvGetPerspectiveTransform (const CvPoint2D32f *src, const CvPoint2D32f *dst, CvMat *matrix)
CV_IMPL CvMat *	cvGetAffineTransform (const CvPoint2D32f *src, const CvPoint2D32f *dst, CvMat *map_matrix)
CV_IMPL void	cvRemap (const CvArr *srcarr, CvArr *dstarr, const CvArr *_mapx, const CvArr *_mapy, int flags, CvScalar fillval)
CV_IMPL void	cvConvertMaps (const CvArr *arrx, const CvArr *arry, CvArr *arrxy, CvArr *arra)
CV_IMPL void	cvLogPolar (const CvArr *srcarr, CvArr *dstarr, CvPoint2D32f center, double M, int flags)

Variables
float	icvLinearCoeffs [(ICV_LINEAR_TAB_SIZE+1)*2]
float	icvCubicCoeffs [(ICV_CUBIC_TAB_SIZE+1)*2]
CvFuncTable *	bicube_tab
CvFuncTable CvFuncTable *	areafast_tab
CvFuncTable CvFuncTable CvFuncTable *	area_tab
bilin_tab	fn_2d [CV_16U] = (void*)icvResize_Bilinear_16u_CnR
icvResize_8u_C1R_t	icvResize_8u_C1R_p = 0
icvResize_8u_C3R_t	icvResize_8u_C3R_p = 0
icvResize_8u_C4R_t	icvResize_8u_C4R_p = 0
icvResize_16u_C1R_t	icvResize_16u_C1R_p = 0
icvResize_16u_C3R_t	icvResize_16u_C3R_p = 0
icvResize_16u_C4R_t	icvResize_16u_C4R_p = 0
icvResize_32f_C1R_t	icvResize_32f_C1R_p = 0
icvResize_32f_C3R_t	icvResize_32f_C3R_p = 0
icvResize_32f_C4R_t	icvResize_32f_C4R_p = 0
	ushort
	double
	ICV_WARP_SCALE_ALPHA
	CV_NOP
cvRound int CvSize void int CvSize const double *	matrix
cvRound int CvSize void int CvSize const double int const void *	fillval
icvWarpAffineBack_8u_C1R_t	icvWarpAffineBack_8u_C1R_p = 0
icvWarpAffineBack_8u_C3R_t	icvWarpAffineBack_8u_C3R_p = 0
icvWarpAffineBack_8u_C4R_t	icvWarpAffineBack_8u_C4R_p = 0
icvWarpAffineBack_32f_C1R_t	icvWarpAffineBack_32f_C1R_p = 0
icvWarpAffineBack_32f_C3R_t	icvWarpAffineBack_32f_C3R_p = 0
icvWarpAffineBack_32f_C4R_t	icvWarpAffineBack_32f_C4R_p = 0
icvWarpPerspectiveBack_8u_C1R_t	icvWarpPerspectiveBack_8u_C1R_p = 0
icvWarpPerspectiveBack_8u_C3R_t	icvWarpPerspectiveBack_8u_C3R_p = 0
icvWarpPerspectiveBack_8u_C4R_t	icvWarpPerspectiveBack_8u_C4R_p = 0
icvWarpPerspectiveBack_32f_C1R_t	icvWarpPerspectiveBack_32f_C1R_p = 0
icvWarpPerspectiveBack_32f_C3R_t	icvWarpPerspectiveBack_32f_C3R_p = 0
icvWarpPerspectiveBack_32f_C4R_t	icvWarpPerspectiveBack_32f_C4R_p = 0
icvWarpPerspective_8u_C1R_t	icvWarpPerspective_8u_C1R_p = 0
icvWarpPerspective_8u_C3R_t	icvWarpPerspective_8u_C3R_p = 0
icvWarpPerspective_8u_C4R_t	icvWarpPerspective_8u_C4R_p = 0
icvWarpPerspective_32f_C1R_t	icvWarpPerspective_32f_C1R_p = 0
icvWarpPerspective_32f_C3R_t	icvWarpPerspective_32f_C3R_p = 0
icvWarpPerspective_32f_C4R_t	icvWarpPerspective_32f_C4R_p = 0
icvRemap_8u_C1R_t	icvRemap_8u_C1R_p = 0
icvRemap_8u_C3R_t	icvRemap_8u_C3R_p = 0
icvRemap_8u_C4R_t	icvRemap_8u_C4R_p = 0
icvRemap_32f_C1R_t	icvRemap_32f_C1R_p = 0
icvRemap_32f_C3R_t	icvRemap_32f_C3R_p = 0
icvRemap_32f_C4R_t	icvRemap_32f_C4R_p = 0

Macro Definition Documentation

#define align

(

x

)

#define CV_REMAP_MASK   ((1 << CV_REMAP_SHIFT) - 1)

#define CV_REMAP_SHIFT   5

#define ICV_CUBIC_1

(

x

)

(((A + 2)*(x) - (A + 3))*(x)*(x) + 1)

#define ICV_CUBIC_2

(

x

)

(((A*(x) - 5*A)*(x) + 8*A)*(x) - 4*A)

#define ICV_DEF_REMAP_BICUBIC_FUNC	(		flavor,
			arrtype,
			worktype,
			load_macro,
			cast_macro1,
			cast_macro2
	)

#define ICV_DEF_REMAP_BILINEAR_FUNC	(		flavor,
			arrtype,
			load_macro,
			cast_macro
	)

#define ICV_DEF_RESIZE_AREA_FAST_FUNC	(		flavor,
			arrtype,
			worktype,
			cast_macro
	)

#define ICV_DEF_RESIZE_AREA_FUNC	(		flavor,
			arrtype,
			load_macro,
			cast_macro
	)

#define ICV_DEF_RESIZE_BICUBIC_FUNC	(		flavor,
			arrtype,
			worktype,
			load_macro,
			cast_macro1,
			cast_macro2
	)

#define ICV_DEF_RESIZE_BILINEAR_FUNC	(		flavor,
			arrtype,
			worktype,
			alpha_field,
			mul_one_macro,
			descale_macro
	)

#define ICV_DEF_WARP_AFFINE_BILINEAR_FUNC	(		flavor,
			arrtype,
			worktype,
			scale_alpha_macro,
			mul_one_macro,
			descale_macro,
			cast_macro
	)

#define ICV_DEF_WARP_PERSPECTIVE_BILINEAR_FUNC	(		flavor,
			arrtype,
			load_macro,
			cast_macro
	)

#define ICV_WARP_CLIP_X

(

x

)

Value:

((unsigned)(x) < (unsigned)ssize.width ? \
                                (x) : (x) < 0 ? 0 : ssize.width - 1)

#define ICV_WARP_CLIP_Y

(

y

)

Value:

((unsigned)(y) < (unsigned)ssize.height ? \
                                (y) : (y) < 0 ? 0 : ssize.height - 1)

#define ICV_WARP_DESCALE_8U

(

x

)

CV_DESCALE((x), ICV_WARP_SHIFT*2)

#define ICV_WARP_MUL_ONE_8U

(

x

)

((x) << ICV_WARP_SHIFT)

#define ICV_WARP_SCALE_ALPHA

(

x

)

((x)*(1./(ICV_WARP_MASK+1)))

#define ICV_WARP_SCALE_ALPHA

(

x

)

((x)*(1./(ICV_WARP_MASK+1)))

Typedef Documentation

typedef int CvSize void int CvSize int const CvDecimateAlpha int float * buf

typedef int CvSize void int CvSize int int const CvResizeAlpha const CvResizeAlpha float* buf0

typedef int CvSize void int CvSize int int const CvResizeAlpha const CvResizeAlpha float float* buf1

cvRound int CvSize void int CvSize const double int cn

typedef CvSize int CvRect void int CvRect const double * coeffs

typedef struct CvDecimateAlpha CvDecimateAlpha

typedef CvStatus(CV_STDCALL * CvRemapFunc)(const void *src, int srcstep, CvSize ssize, void *dst, int dststep, CvSize dsize, const float *mapx, int mxstep, const float *mapy, int mystep, int cn, const void *fillval)

typedef CvStatus(CV_STDCALL * CvRemapIPPFunc)(const void *src, CvSize srcsize, int srcstep, CvRect srcroi, const float *xmap, int xmapstep, const float *ymap, int ymapstep, void *dst, int dststep, CvSize dstsize, int interpolation)

typedef struct CvResizeAlpha CvResizeAlpha

typedef CvStatus(CV_STDCALL * CvWarpPerspectiveFunc)(const void *src, int srcstep, CvSize ssize, void *dst, int dststep, CvSize dsize, const double *matrix, int cn, const void *fillval)

cvRound int CvSize void int CvSize dsize

typedef CvSize int CvRect void* dst

typedef CvSize int CvRect void int CvRect dstroi

typedef CvSize int CvRect void int dststep

typedef CvSize int CvRect void int CvRect const double int interpolation

cvRound int CvSize void int CvSize const double int const void const int * ofs

typedef CvSize int CvRect srcroi

typedef CvSize srcsize

typedef CvSize int srcstep

cvRound int CvSize ssize

const CvArr * sum

typedef CvSize int CvRect void int CvSize double xfactor

typedef int CvSize void int CvSize int int int xmax

typedef int CvSize void int CvSize int int xmin

typedef int CvSize void int CvSize int const CvDecimateAlpha * xofs

typedef int CvSize void int CvSize int const CvDecimateAlpha int xofs_count

typedef CvSize int CvRect void int CvSize double double yfactor

typedef int CvSize void int CvSize int int const CvResizeAlpha const CvResizeAlpha* yofs

Function Documentation

CV_IMPL CvMat* cv2DRotationMatrix	(	CvPoint2D32f	center,
		double	angle,
		double	scale,
		CvMat *	matrix
	)

CV_IMPL void cvConvertMaps	(	const CvArr *	arrx,
		const CvArr *	arry,
		CvArr *	arrxy,
		CvArr *	arra
	)

CV_IMPL CvMat* cvGetAffineTransform	(	const CvPoint2D32f *	src,
		const CvPoint2D32f *	dst,
		CvMat *	map_matrix
	)

CV_IMPL CvMat* cvGetPerspectiveTransform	(	const CvPoint2D32f *	src,
		const CvPoint2D32f *	dst,
		CvMat *	matrix
	)

CV_IMPL void cvLogPolar	(	const CvArr *	srcarr,
		CvArr *	dstarr,
		CvPoint2D32f	center,
		double	M,
		int	flags
	)

CV_IMPL void cvRemap	(	const CvArr *	srcarr,
		CvArr *	dstarr,
		const CvArr *	_mapx,
		const CvArr *	_mapy,
		int	flags,
		CvScalar	fillval
	)

CV_IMPL void cvResize	(	const CvArr *	srcarr,
		CvArr *	dstarr,
		int	method
	)

typedef CvStatus

(

CV_STDCALL *

CvResizeBilinearFunc

)

const

CV_IMPL void cvWarpAffine	(	const CvArr *	srcarr,
		CvArr *	dstarr,
		const CvMat *	matrix,
		int	flags,
		CvScalar	fillval
	)

CV_IMPL void cvWarpPerspective	(	const CvArr *	srcarr,
		CvArr *	dstarr,
		const CvMat *	matrix,
		int	flags,
		CvScalar	fillval
	)

ICV_DEF_RESIZE_BILINEAR_FUNC	(	8u	,
		uchar	,
		int	,
		ialpha	,
		ICV_WARP_MUL_ONE_8U	,
		ICV_WARP_DESCALE_8U
	)

ICV_DEF_WARP_AFFINE_BILINEAR_FUNC	(	8u	,
		uchar	,
		int	,
		CV_NOP	,
		ICV_WARP_MUL_ONE_8U	,
		ICV_WARP_DESCALE_8U	,
		CV_NOP
	)

cvRound ICV_DEF_WARP_AFFINE_BILINEAR_FUNC	(	32f	,
		float	,
		double	,
		ICV_WARP_SCALE_ALPHA	,
		CV_NOP	,
		CV_NOP	,
		CV_NOP
	)		const

void icvInitCubicCoeffTab

(

)

void icvInitLinearCoeffTab

(

)

Variable Documentation

CvFuncTable CvFuncTable CvFuncTable* area_tab

Initial value:

{
    bilin_tab->fn_2d[CV_8U] = (void*)icvResize_Bilinear_8u_CnR

CvFuncTable CvFuncTable* areafast_tab

CvFuncTable* bicube_tab

CV_NOP

cvRound cvRound double

cvRound int CvSize void int CvSize const double int const void* fillval

area_tab fn_2d = (void*)icvResize_Bilinear_16u_CnR

ICV_WARP_SCALE_ALPHA

float icvCubicCoeffs[(ICV_CUBIC_TAB_SIZE+1)*2]

float icvLinearCoeffs[(ICV_LINEAR_TAB_SIZE+1)*2]

icvRemap_32f_C1R_t icvRemap_32f_C1R_p = 0

icvRemap_32f_C3R_t icvRemap_32f_C3R_p = 0

icvRemap_32f_C4R_t icvRemap_32f_C4R_p = 0

icvRemap_8u_C1R_t icvRemap_8u_C1R_p = 0

icvRemap_8u_C3R_t icvRemap_8u_C3R_p = 0

icvRemap_8u_C4R_t icvRemap_8u_C4R_p = 0

icvResize_16u_C1R_t icvResize_16u_C1R_p = 0

icvResize_16u_C3R_t icvResize_16u_C3R_p = 0

icvResize_16u_C4R_t icvResize_16u_C4R_p = 0

icvResize_32f_C1R_t icvResize_32f_C1R_p = 0

icvResize_32f_C3R_t icvResize_32f_C3R_p = 0

icvResize_32f_C4R_t icvResize_32f_C4R_p = 0

icvResize_8u_C1R_t icvResize_8u_C1R_p = 0

icvResize_8u_C3R_t icvResize_8u_C3R_p = 0

icvResize_8u_C4R_t icvResize_8u_C4R_p = 0

icvWarpAffineBack_32f_C1R_t icvWarpAffineBack_32f_C1R_p = 0

icvWarpAffineBack_32f_C3R_t icvWarpAffineBack_32f_C3R_p = 0

icvWarpAffineBack_32f_C4R_t icvWarpAffineBack_32f_C4R_p = 0

icvWarpAffineBack_8u_C1R_t icvWarpAffineBack_8u_C1R_p = 0

icvWarpAffineBack_8u_C3R_t icvWarpAffineBack_8u_C3R_p = 0

icvWarpAffineBack_8u_C4R_t icvWarpAffineBack_8u_C4R_p = 0

icvWarpPerspective_32f_C1R_t icvWarpPerspective_32f_C1R_p = 0

icvWarpPerspective_32f_C3R_t icvWarpPerspective_32f_C3R_p = 0

icvWarpPerspective_32f_C4R_t icvWarpPerspective_32f_C4R_p = 0

icvWarpPerspective_8u_C1R_t icvWarpPerspective_8u_C1R_p = 0

icvWarpPerspective_8u_C3R_t icvWarpPerspective_8u_C3R_p = 0

icvWarpPerspective_8u_C4R_t icvWarpPerspective_8u_C4R_p = 0

icvWarpPerspectiveBack_32f_C1R_t icvWarpPerspectiveBack_32f_C1R_p = 0

icvWarpPerspectiveBack_32f_C3R_t icvWarpPerspectiveBack_32f_C3R_p = 0

icvWarpPerspectiveBack_32f_C4R_t icvWarpPerspectiveBack_32f_C4R_p = 0

icvWarpPerspectiveBack_8u_C1R_t icvWarpPerspectiveBack_8u_C1R_p = 0

icvWarpPerspectiveBack_8u_C3R_t icvWarpPerspectiveBack_8u_C3R_p = 0

icvWarpPerspectiveBack_8u_C4R_t icvWarpPerspectiveBack_8u_C4R_p = 0

cvRound int CvSize void int CvSize const double* matrix

ushort