in modules/core/src/copy.cpp [1121:1293]
void cv::copyMakeBorder( InputArray _src, OutputArray _dst, int top, int bottom,
int left, int right, int borderType, const Scalar& value )
{
CV_Assert( top >= 0 && bottom >= 0 && left >= 0 && right >= 0 );
CV_OCL_RUN(_dst.isUMat() && _src.dims() <= 2,
ocl_copyMakeBorder(_src, _dst, top, bottom, left, right, borderType, value))
Mat src = _src.getMat();
int type = src.type();
if( src.isSubmatrix() && (borderType & BORDER_ISOLATED) == 0 )
{
Size wholeSize;
Point ofs;
src.locateROI(wholeSize, ofs);
int dtop = std::min(ofs.y, top);
int dbottom = std::min(wholeSize.height - src.rows - ofs.y, bottom);
int dleft = std::min(ofs.x, left);
int dright = std::min(wholeSize.width - src.cols - ofs.x, right);
src.adjustROI(dtop, dbottom, dleft, dright);
top -= dtop;
left -= dleft;
bottom -= dbottom;
right -= dright;
}
_dst.create( src.rows + top + bottom, src.cols + left + right, type );
Mat dst = _dst.getMat();
if(top == 0 && left == 0 && bottom == 0 && right == 0)
{
if(src.data != dst.data || src.step != dst.step)
src.copyTo(dst);
return;
}
borderType &= ~BORDER_ISOLATED;
#if defined HAVE_IPP && 0
CV_IPP_CHECK()
{
typedef IppStatus (CV_STDCALL * ippiCopyMakeBorder)(const void * pSrc, int srcStep, IppiSize srcRoiSize, void * pDst,
int dstStep, IppiSize dstRoiSize, int topBorderHeight, int leftBorderWidth);
typedef IppStatus (CV_STDCALL * ippiCopyMakeBorderI)(const void * pSrc, int srcDstStep, IppiSize srcRoiSize, IppiSize dstRoiSize,
int topBorderHeight, int leftborderwidth);
typedef IppStatus (CV_STDCALL * ippiCopyConstBorder)(const void * pSrc, int srcStep, IppiSize srcRoiSize, void * pDst, int dstStep,
IppiSize dstRoiSize, int topBorderHeight, int leftBorderWidth, void * value);
IppiSize srcRoiSize = { src.cols, src.rows }, dstRoiSize = { dst.cols, dst.rows };
ippiCopyMakeBorder ippFunc = 0;
ippiCopyMakeBorderI ippFuncI = 0;
ippiCopyConstBorder ippFuncConst = 0;
bool inplace = dst.datastart == src.datastart;
if (borderType == BORDER_CONSTANT)
{
ippFuncConst =
// type == CV_8UC1 ? (ippiCopyConstBorder)ippiCopyConstBorder_8u_C1R : bug in IPP 8.1
type == CV_16UC1 ? (ippiCopyConstBorder)ippiCopyConstBorder_16u_C1R :
// type == CV_16SC1 ? (ippiCopyConstBorder)ippiCopyConstBorder_16s_C1R : bug in IPP 8.1
// type == CV_32SC1 ? (ippiCopyConstBorder)ippiCopyConstBorder_32s_C1R : bug in IPP 8.1
// type == CV_32FC1 ? (ippiCopyConstBorder)ippiCopyConstBorder_32f_C1R : bug in IPP 8.1
type == CV_8UC3 ? (ippiCopyConstBorder)ippiCopyConstBorder_8u_C3R :
type == CV_16UC3 ? (ippiCopyConstBorder)ippiCopyConstBorder_16u_C3R :
type == CV_16SC3 ? (ippiCopyConstBorder)ippiCopyConstBorder_16s_C3R :
type == CV_32SC3 ? (ippiCopyConstBorder)ippiCopyConstBorder_32s_C3R :
type == CV_32FC3 ? (ippiCopyConstBorder)ippiCopyConstBorder_32f_C3R :
type == CV_8UC4 ? (ippiCopyConstBorder)ippiCopyConstBorder_8u_C4R :
type == CV_16UC4 ? (ippiCopyConstBorder)ippiCopyConstBorder_16u_C4R :
type == CV_16SC4 ? (ippiCopyConstBorder)ippiCopyConstBorder_16s_C4R :
type == CV_32SC4 ? (ippiCopyConstBorder)ippiCopyConstBorder_32s_C4R :
type == CV_32FC4 ? (ippiCopyConstBorder)ippiCopyConstBorder_32f_C4R : 0;
}
else if (borderType == BORDER_WRAP)
{
if (inplace)
{
CV_SUPPRESS_DEPRECATED_START
ippFuncI =
type == CV_32SC1 ? (ippiCopyMakeBorderI)ippiCopyWrapBorder_32s_C1IR :
type == CV_32FC1 ? (ippiCopyMakeBorderI)ippiCopyWrapBorder_32s_C1IR : 0;
CV_SUPPRESS_DEPRECATED_END
}
else
{
ippFunc =
type == CV_32SC1 ? (ippiCopyMakeBorder)ippiCopyWrapBorder_32s_C1R :
type == CV_32FC1 ? (ippiCopyMakeBorder)ippiCopyWrapBorder_32s_C1R : 0;
}
}
else if (borderType == BORDER_REPLICATE)
{
if (inplace)
{
CV_SUPPRESS_DEPRECATED_START
ippFuncI =
type == CV_8UC1 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_8u_C1IR :
type == CV_16UC1 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_16u_C1IR :
type == CV_16SC1 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_16s_C1IR :
type == CV_32SC1 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_32s_C1IR :
type == CV_32FC1 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_32f_C1IR :
type == CV_8UC3 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_8u_C3IR :
type == CV_16UC3 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_16u_C3IR :
type == CV_16SC3 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_16s_C3IR :
type == CV_32SC3 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_32s_C3IR :
type == CV_32FC3 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_32f_C3IR :
type == CV_8UC4 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_8u_C4IR :
type == CV_16UC4 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_16u_C4IR :
type == CV_16SC4 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_16s_C4IR :
type == CV_32SC4 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_32s_C4IR :
type == CV_32FC4 ? (ippiCopyMakeBorderI)ippiCopyReplicateBorder_32f_C4IR : 0;
CV_SUPPRESS_DEPRECATED_END
}
else
{
ippFunc =
type == CV_8UC1 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_8u_C1R :
type == CV_16UC1 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_16u_C1R :
type == CV_16SC1 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_16s_C1R :
type == CV_32SC1 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_32s_C1R :
type == CV_32FC1 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_32f_C1R :
type == CV_8UC3 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_8u_C3R :
type == CV_16UC3 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_16u_C3R :
type == CV_16SC3 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_16s_C3R :
type == CV_32SC3 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_32s_C3R :
type == CV_32FC3 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_32f_C3R :
type == CV_8UC4 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_8u_C4R :
type == CV_16UC4 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_16u_C4R :
type == CV_16SC4 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_16s_C4R :
type == CV_32SC4 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_32s_C4R :
type == CV_32FC4 ? (ippiCopyMakeBorder)ippiCopyReplicateBorder_32f_C4R : 0;
}
}
if (ippFunc || ippFuncI || ippFuncConst)
{
uchar scbuf[32];
scalarToRawData(value, scbuf, type);
if ( (ippFunc && ippFunc(src.data, (int)src.step, srcRoiSize, dst.data, (int)dst.step, dstRoiSize, top, left) >= 0) ||
(ippFuncI && ippFuncI(src.data, (int)src.step, srcRoiSize, dstRoiSize, top, left) >= 0) ||
(ippFuncConst && ippFuncConst(src.data, (int)src.step, srcRoiSize, dst.data, (int)dst.step,
dstRoiSize, top, left, scbuf) >= 0))
{
CV_IMPL_ADD(CV_IMPL_IPP);
return;
}
setIppErrorStatus();
}
}
#endif
if( borderType != BORDER_CONSTANT )
copyMakeBorder_8u( src.ptr(), src.step, src.size(),
dst.ptr(), dst.step, dst.size(),
top, left, (int)src.elemSize(), borderType );
else
{
int cn = src.channels(), cn1 = cn;
AutoBuffer<double> buf(cn);
if( cn > 4 )
{
CV_Assert( value[0] == value[1] && value[0] == value[2] && value[0] == value[3] );
cn1 = 1;
}
scalarToRawData(value, buf, CV_MAKETYPE(src.depth(), cn1), cn);
copyMakeConstBorder_8u( src.ptr(), src.step, src.size(),
dst.ptr(), dst.step, dst.size(),
top, left, (int)src.elemSize(), (uchar*)(double*)buf );
}
}