cvsumpixels.cpp.svn-base
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SVN-BASE
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// Intel License Agreement
// For Open Source Computer Vision Library
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//M*/
#include "_cv.h"
/****************************************************************************************\
* Find sum of pixels in the ROI *
\****************************************************************************************/
#define ICV_DEF_SUM_1D_CASE_COI( __op__, src, len, sum, cn ) \
{ \
int i; \
\
for( i = 0; i <= (len) - 4*(cn); i += 4*(cn) ) \
(sum)[0] += __op__((src)[i]) + __op__((src)[i+(cn)]) + \
__op__((src)[i+(cn)*2]) + __op__((src)[i+(cn)*3]); \
\
for( ; i < (len); i += (cn) ) \
(sum)[0] += __op__((src)[i]); \
} \
#define ICV_DEF_SUM_1D_CASE_C1( __op__, src, len, sum ) \
ICV_DEF_SUM_1D_CASE_COI( __op__, src, len, sum, 1 )
#define ICV_DEF_SUM_1D_CASE_C2( __op__, src, len, sum ) \
{ \
int i; \
\
for( i = 0; i <= (len) - 8; i += 8 ) \
{ \
(sum)[0] += __op__((src)[i]) + __op__((src)[i+2]) + \
__op__((src)[i+4]) + __op__((src)[i+6]); \
(sum)[1] += __op__((src)[i+1]) + __op__((src)[i+3]) + \
__op__((src)[i+5]) + __op__((src)[i+7]); \
} \
\
for( ; i < (len); i += 2 ) \
{ \
(sum)[0] += __op__((src)[i]); \
(sum)[1] += __op__((src)[i+1]); \
} \
} \
#define ICV_DEF_SUM_1D_CASE_C3( __op__, src, len, sum ) \
{ \
int i; \
\
for( i = 0; i <= (len) - 12; i += 12 ) \
{ \
(sum)[0] += __op__((src)[i]) + __op__((src)[i+3]) + \
__op__((src)[i+6]) + __op__((src)[i+9]); \
(sum)[1] += __op__((src)[i+1]) + __op__((src)[i+4]) + \
__op__((src)[i+7]) + __op__((src)[i+10]); \
(sum)[2] += __op__((src)[i+2]) + __op__((src)[i+5]) + \
__op__((src)[i+8]) + __op__((src)[i+11]); \
} \
\
for( ; i < (len); i += 3 ) \
{ \
(sum)[0] += __op__((src)[i]); \
(sum)[1] += __op__((src)[i+1]); \
(sum)[2] += __op__((src)[i+2]); \
} \
}
#define ICV_DEF_SUM_1D_CASE_C4( __op__, src, len, sum ) \
{ \
int i; \
\
for( i = 0; i <= (len) - 16; i += 16 ) \
{ \
(sum)[0] += __op__((src)[i]) + __op__((src)[i+4]) + \
__op__((src)[i+8]) + __op__((src)[i+12]); \
(sum)[1] += __op__((src)[i+1]) + __op__((src)[i+5]) + \
__op__((src)[i+9]) + __op__((src)[i+13]); \
(sum)[2] += __op__((src)[i+2]) + __op__((src)[i+6]) + \
__op__((src)[i+10]) + __op__((src)[i+14]); \
(sum)[3] += __op__((src)[i+3]) + __op__((src)[i+7]) + \
__op__((src)[i+11]) + __op__((src)[i+15]); \
} \
\
for( ; i < (len); i += 4 ) \
{ \
(sum)[0] += __op__((src)[i]); \
(sum)[1] += __op__((src)[i+1]); \
(sum)[2] += __op__((src)[i+2]); \
(sum)[3] += __op__((src)[i+3]); \
} \
}
#define CV_SUM_ENTRY_C1( sumtype ) \
sumtype temp[1] = { 0 };
#define CV_SUM_ENTRY_C2( sumtype ) \
sumtype temp[2] = { 0, 0 };
#define CV_SUM_ENTRY_C3( sumtype ) \
sumtype temp[3] = { 0, 0, 0 };
#define CV_SUM_ENTRY_C4( sumtype ) \
sumtype temp[4] = { 0, 0, 0, 0 };
#define CV_SUM_EXIT_C1(sumtype_final) \
sum[0] = (sumtype_final)temp[0]
#define CV_SUM_EXIT_C2(sumtype_final) \
CV_SUM_EXIT_C1(sumtype_final), sum[1] = (sumtype_final)temp[1]
#define CV_SUM_EXIT_C3(sumtype_final) \
CV_SUM_EXIT_C2(sumtype_final), sum[2] = (sumtype_final)temp[2]
#define CV_SUM_EXIT_C4(sumtype_final) \
CV_SUM_EXIT_C3(sumtype_final), sum[3] = (sumtype_final)temp[3]
#define ICV_DEF_SUM_FUNC_2D( __op__, _entry_, _exit_, name, flavor, \
cn, srctype, sumtype, sumtype_final ) \
IPCVAPI_IMPL(CvStatus, icv##name##_##flavor##_C##cn##R,( const srctype* src,\
int step, CvSize size, sumtype_final* sum ))\
{ \
_entry_( sumtype ); \
size.width *= cn; \
\
for( int y = 0; y < size.height; y++, (char*&)src += step ) \
{ \
ICV_DEF_SUM_1D_CASE_C##cn( __op__, src, size.width, temp ); \
} \
\
_exit_(sumtype_final); \
\
return CV_OK; \
}
#define ICV_DEF_SUM_0D_CASE_C1( __op__, src, sum ) \
{ \
(sum)[0] += __op__((src)[0]); \
} \
#define ICV_DEF_SUM_0D_CASE_C2( __op__, src, sum ) \
{ \
(sum)[0] += __op__((src)[0]); \
(sum)[1] += __op__((src)[1]); \
} \
#define ICV_DEF_SUM_FUNC_2D_EX( __op__, _entry_, _exit_, name, flavor, \
cn, srctype, sumtype, sumtype_final ) \
IPCVAPI_IMPL(CvStatus, icv##name##_##flavor##_C##cn##R,( const srctype* src,\
int step, CvSize size, sumtype_final* sum )) \
{ \
_entry_( sumtype ); \
\
if( size.width == 1 ) \
{ \
for( int y = 0; y < size.height; y++, (char*&)src += step ) \
{ \
ICV_DEF_SUM_0D_CASE_C##cn( __op__, src, temp ); \
} \
} \
else \
{ \
size.width *= cn; \
\
for( int y = 0; y < size.height; y++, (char*&)src += step ) \
{ \
ICV_DEF_SUM_1D_CASE_C##cn( __op__, src, size.width, temp ); \
} \
} \
\
_exit_(sumtype_final); \
\
return CV_OK; \
}
#define ICV_DEF_SUM_FUNC_2D_COI( __op__, name, flavor, srctype, \
sumtype, sumtype_final ) \
IPCVAPI_IMPL(CvStatus, icv##name##_##flavor##_CnCR, ( const srctype* src, \
int step, CvSize size, int cn, int coi, sumtype_final* sum )) \
{ \
CV_SUM_ENTRY_C1( sumtype ); \
\
size.width *= cn; \
src += coi - 1; \
\
for( int y = 0; y < size.height; y++, (char*&)src += step ) \
{ \
ICV_DEF_SUM_1D_CASE_COI( __op__, src, size.width, temp, cn ); \
} \
\
CV_SUM_EXIT_C1(sumtype_final); \
\
return CV_OK; \
}
#define ICV_DEF_SUM_ALL( __op__, name, flavor, srctype, sumtype, sumtype_final )\
ICV_DEF_SUM_FUNC_2D( __op__, CV_SUM_ENTRY_C1, CV_SUM_EXIT_C1, \
name, flavor, 1, srctype, sumtype, sumtype_final ) \
ICV_DEF_SUM_FUNC_2D( __op__, CV_SUM_ENTRY_C2, CV_SUM_EXIT_C2, \
name, flavor, 2, srctype, sumtype, sumtype_final ) \
ICV_DEF_SUM_FUNC_2D( __op__, CV_SUM_ENTRY_C3, CV_SUM_EXIT_C3, \
name, flavor, 3, srctype, sumtype, sumtype_final ) \
ICV_DEF_SUM_FUNC_2D( __op__, CV_SUM_ENTRY_C4, CV_SUM_EXIT_C4, \
name, flavor, 4, srctype, sumtype, sumtype_final ) \
ICV_DEF_SUM_FUNC_2D_COI( __op__, name, flavor, srctype, sumtype, sumtype_final )
ICV_DEF_SUM_ALL( CV_NOP, Sum, 8u, uchar, int64, double )
ICV_DEF_SUM_ALL( CV_NOP, Sum, 8s, char, int64, double )
ICV_DEF_SUM_ALL( CV_NOP, Sum, 16s, short, int64, double )
ICV_DEF_SUM_ALL( CV_CAST_64S, Sum, 32s, int, int64, double )
ICV_DEF_SUM_ALL( CV_NOP, Sum, 32f, float, double, double )
ICV_DEF_SUM_ALL( CV_NOP, Sum, 64f, double, double, double )
CV_DEF_INIT_BIG_FUNC_TAB( Sum, R )
CV_DEF_INIT_FUNC_TAB_2D( Sum, CnCR )
CV_IMPL CvScalar
cvSum( const CvArr* arr )
{
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