cxlut.cpp File Reference

#include "_cxcore.h"

Macros
#define	ICV_LUT_CASE_C1(type)
#define	ICV_LUT_CASE_C2(type)
#define	ICV_LUT_CASE_C3(type)
#define	ICV_LUT_CASE_C4(type)
#define	ICV_DEF_LUT_FUNC_8U_CN(flavor, dsttype, cn)
#define	ICV_DEF_LUT_FUNC_8U(flavor, dsttype)
#define	icvLUT_Transform8u_8s_C1R   icvLUT_Transform8u_8u_C1R
#define	icvLUT_Transform8u_16s_C1R   icvLUT_Transform8u_16u_C1R
#define	icvLUT_Transform8u_32f_C1R   icvLUT_Transform8u_32s_C1R
#define	icvLUT_Transform8u_8s_CnR   icvLUT_Transform8u_8u_CnR
#define	icvLUT_Transform8u_16s_CnR   icvLUT_Transform8u_16u_CnR
#define	icvLUT_Transform8u_32f_CnR   icvLUT_Transform8u_32s_CnR

Typedefs
typedef CvStatus(CV_STDCALL *	CvLUT_TransformCnFunc )(const void *src, int srcstep, void *dst, int dststep, CvSize size, const void *lut, int cn)

Functions
CV_IMPL void	cvLUT (const void *srcarr, void *dstarr, const void *lutarr)

Macro Definition Documentation

#define ICV_DEF_LUT_FUNC_8U	(		flavor,
			dsttype
	)

#define ICV_DEF_LUT_FUNC_8U_CN	(		flavor,
			dsttype,
			cn
	)

Value:

CvStatus CV_STDCALL icvLUT_Transform8u_##flavor##_C##cn##R( \
    const uchar* src, int srcstep,                          \
    dsttype* dst, int dststep, CvSize size,                 \
    const dsttype* lut )                                    \
{                                                           \
    size.width *= cn;                                       \
    dststep /= sizeof(dst[0]);                              \
    for( ; size.height--; src += srcstep, dst += dststep )  \
    {                                                       \
        int i;                                              \
        ICV_LUT_CASE_C##cn( dsttype )                       \
    }                                                       \
                                                            \
    return CV_OK;                                           \
}

#define ICV_LUT_CASE_C1

(

type

)

Value:

for( i = 0; i <= size.width-4; i += 4 ) \
    {                                       \
        type t0 = lut[src[i]];              \
        type t1 = lut[src[i+1]];            \
        dst[i] = t0;                        \
        dst[i+1] = t1;                      \
                                            \
        t0 = lut[src[i+2]];                 \
        t1 = lut[src[i+3]];                 \
        dst[i+2] = t0;                      \
        dst[i+3] = t1;                      \
    }                                       \
                                            \
    for( ; i < size.width; i++ )            \
    {                                       \
        type t0 = lut[src[i]];              \
        dst[i] = t0;                        \
    }

#define ICV_LUT_CASE_C2

(

type

)

Value:

for( i = 0; i < size.width; i += 2 )    \
    {                                       \
        type t0 = lut[src[i]*2];            \
        type t1 = lut[src[i+1]*2 + 1];      \
        dst[i] = t0;                        \
        dst[i+1] = t1;                      \
    }

#define ICV_LUT_CASE_C3

(

type

)

Value:

for( i = 0; i < size.width; i += 3 )    \
    {                                       \
        type t0 = lut[src[i]*3];            \
        type t1 = lut[src[i+1]*3 + 1];      \
        type t2 = lut[src[i+2]*3 + 2];      \
        dst[i] = t0;                        \
        dst[i+1] = t1;                      \
        dst[i+2] = t2;                      \
    }

#define ICV_LUT_CASE_C4

(

type

)

Value:

for( i = 0; i < size.width; i += 4 )    \
    {                                       \
        type t0 = lut[src[i]*4];            \
        type t1 = lut[src[i+1]*4 + 1];      \
        dst[i] = t0;                        \
        dst[i+1] = t1;                      \
        t0 = lut[src[i+2]*4 + 2];           \
        t1 = lut[src[i+3]*4 + 3];           \
        dst[i+2] = t0;                      \
        dst[i+3] = t1;                      \
    }

#define icvLUT_Transform8u_16s_C1R   icvLUT_Transform8u_16u_C1R

#define icvLUT_Transform8u_16s_CnR   icvLUT_Transform8u_16u_CnR

#define icvLUT_Transform8u_32f_C1R   icvLUT_Transform8u_32s_C1R

#define icvLUT_Transform8u_32f_CnR   icvLUT_Transform8u_32s_CnR

#define icvLUT_Transform8u_8s_C1R   icvLUT_Transform8u_8u_C1R

#define icvLUT_Transform8u_8s_CnR   icvLUT_Transform8u_8u_CnR

Typedef Documentation

typedef CvStatus(CV_STDCALL * CvLUT_TransformCnFunc)(const void *src, int srcstep, void *dst, int dststep, CvSize size, const void *lut, int cn)

Function Documentation

CV_IMPL void cvLUT	(	const void *	srcarr,
		void *	dstarr,
		const void *	lutarr
	)