?? cxcopy.cpp
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//
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// Intel License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Redistribution and use in source and binary forms, with or without modification,
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// this list of conditions and the following disclaimer.
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//M*/
/* ////////////////////////////////////////////////////////////////////
//
// CvMat basic operations: cvCopy, cvSet
//
// */
#include "_cxcore.h"
/////////////////////////////////////////////////////////////////////////////////////////
// //
// L/L COPY & SET FUNCTIONS //
// //
/////////////////////////////////////////////////////////////////////////////////////////
IPCVAPI_IMPL( CvStatus, icvCopy_8u_C1R, ( const uchar* src, int srcstep,
uchar* dst, int dststep, CvSize size ),
(src, srcstep, dst, dststep, size) )
{
for( ; size.height--; src += srcstep, dst += dststep )
memcpy( dst, src, size.width );
return CV_OK;
}
static CvStatus CV_STDCALL
icvSet_8u_C1R( uchar* dst, int dst_step, CvSize size,
const void* scalar, int pix_size )
{
int copy_len = 12*pix_size;
uchar* dst_limit = dst + size.width;
if( size.height-- )
{
while( dst + copy_len <= dst_limit )
{
memcpy( dst, scalar, copy_len );
dst += copy_len;
}
memcpy( dst, scalar, dst_limit - dst );
}
if( size.height )
{
dst = dst_limit - size.width + dst_step;
for( ; size.height--; dst += dst_step )
memcpy( dst, dst - dst_step, size.width );
}
return CV_OK;
}
/////////////////////////////////////////////////////////////////////////////////////////
// //
// L/L COPY WITH MASK FUNCTIONS //
// //
/////////////////////////////////////////////////////////////////////////////////////////
#define ICV_DEF_COPY_MASK_C1_CASE( type ) \
for( i = 0; i <= size.width-2; i += 2 ) \
{ \
if( mask[i] ) \
dst[i] = src[i]; \
if( mask[i+1] ) \
dst[i+1] = src[i+1]; \
} \
\
for( ; i < size.width; i++ ) \
{ \
if( mask[i] ) \
dst[i] = src[i]; \
}
#define ICV_DEF_COPY_MASK_C3_CASE( type ) \
for( i = 0; i < size.width; i++ ) \
if( mask[i] ) \
{ \
type t0 = src[i*3]; \
type t1 = src[i*3+1]; \
type t2 = src[i*3+2]; \
\
dst[i*3] = t0; \
dst[i*3+1] = t1; \
dst[i*3+2] = t2; \
}
#define ICV_DEF_COPY_MASK_C4_CASE( type ) \
for( i = 0; i < size.width; i++ ) \
if( mask[i] ) \
{ \
type t0 = src[i*4]; \
type t1 = src[i*4+1]; \
dst[i*4] = t0; \
dst[i*4+1] = t1; \
\
t0 = src[i*4+2]; \
t1 = src[i*4+3]; \
dst[i*4+2] = t0; \
dst[i*4+3] = t1; \
}
#define ICV_DEF_COPY_MASK_2D( name, type, cn ) \
IPCVAPI_IMPL( CvStatus, \
name,( const type* src, int srcstep, type* dst, int dststep,\
CvSize size, const uchar* mask, int maskstep ), \
(src, srcstep, dst, dststep, size, mask, maskstep)) \
{ \
srcstep /= sizeof(src[0]); dststep /= sizeof(dst[0]); \
for( ; size.height--; src += srcstep, \
dst += dststep, mask += maskstep ) \
{ \
int i; \
ICV_DEF_COPY_MASK_C##cn##_CASE( type ) \
} \
\
return CV_OK; \
}
#define ICV_DEF_SET_MASK_C1_CASE( type ) \
for( i = 0; i <= size.width-2; i += 2 ) \
{ \
if( mask[i] ) \
dst[i] = s0; \
if( mask[i+1] ) \
dst[i+1] = s0; \
} \
\
for( ; i < size.width; i++ ) \
{ \
if( mask[i] ) \
dst[i] = s0; \
}
#define ICV_DEF_SET_MASK_C3_CASE( type ) \
for( i = 0; i < size.width; i++ ) \
if( mask[i] ) \
{ \
dst[i*3] = s0; \
dst[i*3+1] = s1; \
dst[i*3+2] = s2; \
}
#define ICV_DEF_SET_MASK_C4_CASE( type ) \
for( i = 0; i < size.width; i++ ) \
if( mask[i] ) \
{ \
dst[i*4] = s0; \
dst[i*4+1] = s1; \
dst[i*4+2] = s2; \
dst[i*4+3] = s3; \
}
#define ICV_DEF_SET_MASK_2D( name, type, cn ) \
IPCVAPI_IMPL( CvStatus, \
name,( type* dst, int dststep, \
const uchar* mask, int maskstep, \
CvSize size, const type* scalar ), \
(dst, dststep, mask, maskstep, size, scalar))\
{ \
CV_UN_ENTRY_C##cn( type ); \
dststep /= sizeof(dst[0]); \
\
for( ; size.height--; mask += maskstep, \
dst += dststep ) \
{ \
int i; \
ICV_DEF_SET_MASK_C##cn##_CASE( type ) \
} \
\
return CV_OK; \
}
ICV_DEF_SET_MASK_2D( icvSet_8u_C1MR, uchar, 1 )
ICV_DEF_SET_MASK_2D( icvSet_16s_C1MR, ushort, 1 )
ICV_DEF_SET_MASK_2D( icvSet_8u_C3MR, uchar, 3 )
ICV_DEF_SET_MASK_2D( icvSet_8u_C4MR, int, 1 )
ICV_DEF_SET_MASK_2D( icvSet_16s_C3MR, ushort, 3 )
ICV_DEF_SET_MASK_2D( icvSet_16s_C4MR, int64, 1 )
ICV_DEF_SET_MASK_2D( icvSet_32f_C3MR, int, 3 )
ICV_DEF_SET_MASK_2D( icvSet_32f_C4MR, int, 4 )
ICV_DEF_SET_MASK_2D( icvSet_64s_C3MR, int64, 3 )
ICV_DEF_SET_MASK_2D( icvSet_64s_C4MR, int64, 4 )
ICV_DEF_COPY_MASK_2D( icvCopy_8u_C1MR, uchar, 1 )
ICV_DEF_COPY_MASK_2D( icvCopy_16s_C1MR, ushort, 1 )
ICV_DEF_COPY_MASK_2D( icvCopy_8u_C3MR, uchar, 3 )
ICV_DEF_COPY_MASK_2D( icvCopy_8u_C4MR, int, 1 )
ICV_DEF_COPY_MASK_2D( icvCopy_16s_C3MR, ushort, 3 )
ICV_DEF_COPY_MASK_2D( icvCopy_16s_C4MR, int64, 1 )
ICV_DEF_COPY_MASK_2D( icvCopy_32f_C3MR, int, 3 )
ICV_DEF_COPY_MASK_2D( icvCopy_32f_C4MR, int, 4 )
ICV_DEF_COPY_MASK_2D( icvCopy_64s_C3MR, int64, 3 )
ICV_DEF_COPY_MASK_2D( icvCopy_64s_C4MR, int64, 4 )
#define CV_DEF_INIT_COPYSET_TAB_2D( FUNCNAME, FLAG ) \
static void icvInit##FUNCNAME##FLAG##Table( CvBtFuncTable* table ) \
{ \
table->fn_2d[1] = (void*)icv##FUNCNAME##_8u_C1##FLAG; \
table->fn_2d[2] = (void*)icv##FUNCNAME##_16s_C1##FLAG; \
table->fn_2d[3] = (void*)icv##FUNCNAME##_8u_C3##FLAG; \
table->fn_2d[4] = (void*)icv##FUNCNAME##_8u_C4##FLAG; \
table->fn_2d[6] = (void*)icv##FUNCNAME##_16s_C3##FLAG; \
table->fn_2d[8] = (void*)icv##FUNCNAME##_16s_C4##FLAG; \
table->fn_2d[12] = (void*)icv##FUNCNAME##_32f_C3##FLAG; \
table->fn_2d[16] = (void*)icv##FUNCNAME##_32f_C4##FLAG; \
table->fn_2d[24] = (void*)icv##FUNCNAME##_64s_C3##FLAG; \
table->fn_2d[32] = (void*)icv##FUNCNAME##_64s_C4##FLAG; \
}
CV_DEF_INIT_COPYSET_TAB_2D( Set, MR )
CV_DEF_INIT_COPYSET_TAB_2D( Copy, MR )
/////////////////////////////////////////////////////////////////////////////////////////
// //
// H/L COPY & SET FUNCTIONS //
// //
/////////////////////////////////////////////////////////////////////////////////////////
CvCopyMaskFunc
icvGetCopyMaskFunc( int elem_size )
{
static CvBtFuncTable copym_tab;
static int inittab = 0;
if( !inittab )
{
icvInitCopyMRTable( ©m_tab );
inittab = 1;
}
return (CvCopyMaskFunc)copym_tab.fn_2d[elem_size];
}
/* dst = src */
CV_IMPL void
cvCopy( const void* srcarr, void* dstarr, const void* maskarr )
{
CV_FUNCNAME( "cvCopy" );
__BEGIN__;
int pix_size;
CvMat srcstub, *src = (CvMat*)srcarr;
CvMat dststub, *dst = (CvMat*)dstarr;
CvSize size;
if( !CV_IS_MAT(src) || !CV_IS_MAT(dst) )
{
if( CV_IS_SPARSE_MAT(src) && CV_IS_SPARSE_MAT(dst))
{
CvSparseMat* src1 = (CvSparseMat*)src;
CvSparseMat* dst1 = (CvSparseMat*)dst;
CvSparseMatIterator iterator;
CvSparseNode* node;
dst1->dims = src1->dims;
memcpy( dst1->size, src1->size, src1->dims*sizeof(src1->size[0]));
dst1->valoffset = src1->valoffset;
dst1->idxoffset = src1->idxoffset;
cvClearSet( dst1->heap );
if( src1->heap->active_count >= dst1->hashsize*CV_SPARSE_HASH_RATIO )
{
CV_CALL( cvFree( &dst1->hashtable ));
dst1->hashsize = src1->hashsize;
CV_CALL( dst1->hashtable =
(void**)cvAlloc( dst1->hashsize*sizeof(dst1->hashtable[0])));
}
memset( dst1->hashtable, 0, dst1->hashsize*sizeof(dst1->hashtable[0]));
for( node = cvInitSparseMatIterator( src1, &iterator );
node != 0; node = cvGetNextSparseNode( &iterator ))
{
CvSparseNode* node_copy = (CvSparseNode*)cvSetNew( dst1->heap );
int tabidx = node->hashval & (dst1->hashsize - 1);
CV_MEMCPY_AUTO( node_copy, node, dst1->heap->elem_size );
node_copy->next = (CvSparseNode*)dst1->hashtable[tabidx];
dst1->hashtable[tabidx] = node_copy;
}
EXIT;
}
else if( CV_IS_MATND(src) || CV_IS_MATND(dst) )
{
CvArr* arrs[] = { src, dst };
CvMatND stubs[3];
CvNArrayIterator iterator;
CV_CALL( cvInitNArrayIterator( 2, arrs, maskarr, stubs, &iterator ));
pix_size = CV_ELEM_SIZE(iterator.hdr[0]->type);
if( !maskarr )
{
iterator.size.width *= pix_size;
if( iterator.size.width <= CV_MAX_INLINE_MAT_OP_SIZE*(int)sizeof(double))
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