generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Move border type constants and Moments class to core module

Browse Source
This commit is contained in:
Andrey Kamaev
2013-04-10 15:54:14 +04:00
parent f4ae0cf19c
commit c98c246fc2
83 changed files with 541 additions and 639 deletions
Download Patch File Download Diff File Expand all files Collapse all files

225
modules/core/src/copy.cpp
View File

@@ -512,6 +512,231 @@ Mat repeat(const Mat& src, int ny, int nx)
return dst;
}
} // cv
/*
Various border types, image boundaries are denoted with '|'
* BORDER_REPLICATE: aaaaaa|abcdefgh|hhhhhhh
* BORDER_REFLECT: fedcba|abcdefgh|hgfedcb
* BORDER_REFLECT_101: gfedcb|abcdefgh|gfedcba
* BORDER_WRAP: cdefgh|abcdefgh|abcdefg
* BORDER_CONSTANT: iiiiii|abcdefgh|iiiiiii with some specified 'i'
*/
int cv::borderInterpolate( int p, int len, int borderType )
{
if( (unsigned)p < (unsigned)len )
;
else if( borderType == BORDER_REPLICATE )
p = p < 0 ? 0 : len - 1;
else if( borderType == BORDER_REFLECT || borderType == BORDER_REFLECT_101 )
{
int delta = borderType == BORDER_REFLECT_101;
if( len == 1 )
return 0;
do
{
if( p < 0 )
p = -p - 1 + delta;
else
p = len - 1 - (p - len) - delta;
}
while( (unsigned)p >= (unsigned)len );
}
else if( borderType == BORDER_WRAP )
{
if( p < 0 )
p -= ((p-len+1)/len)*len;
if( p >= len )
p %= len;
}
else if( borderType == BORDER_CONSTANT )
p = -1;
else
CV_Error( CV_StsBadArg, "Unknown/unsupported border type" );
return p;
}
namespace
{
void copyMakeBorder_8u( const uchar* src, size_t srcstep, cv::Size srcroi,
uchar* dst, size_t dststep, cv::Size dstroi,
int top, int left, int cn, int borderType )
{
const int isz = (int)sizeof(int);
int i, j, k, elemSize = 1;
bool intMode = false;
if( (cn | srcstep | dststep | (size_t)src | (size_t)dst) % isz == 0 )
{
cn /= isz;
elemSize = isz;
intMode = true;
}
cv::AutoBuffer<int> _tab((dstroi.width - srcroi.width)*cn);
int* tab = _tab;
int right = dstroi.width - srcroi.width - left;
int bottom = dstroi.height - srcroi.height - top;
for( i = 0; i < left; i++ )
{
j = cv::borderInterpolate(i - left, srcroi.width, borderType)*cn;
for( k = 0; k < cn; k++ )
tab[i*cn + k] = j + k;
}
for( i = 0; i < right; i++ )
{
j = cv::borderInterpolate(srcroi.width + i, srcroi.width, borderType)*cn;
for( k = 0; k < cn; k++ )
tab[(i+left)*cn + k] = j + k;
}
srcroi.width *= cn;
dstroi.width *= cn;
left *= cn;
right *= cn;
uchar* dstInner = dst + dststep*top + left*elemSize;
for( i = 0; i < srcroi.height; i++, dstInner += dststep, src += srcstep )
{
if( dstInner != src )
memcpy(dstInner, src, srcroi.width*elemSize);
if( intMode )
{
const int* isrc = (int*)src;
int* idstInner = (int*)dstInner;
for( j = 0; j < left; j++ )
idstInner[j - left] = isrc[tab[j]];
for( j = 0; j < right; j++ )
idstInner[j + srcroi.width] = isrc[tab[j + left]];
}
else
{
for( j = 0; j < left; j++ )
dstInner[j - left] = src[tab[j]];
for( j = 0; j < right; j++ )
dstInner[j + srcroi.width] = src[tab[j + left]];
}
}
dstroi.width *= elemSize;
dst += dststep*top;
for( i = 0; i < top; i++ )
{
j = cv::borderInterpolate(i - top, srcroi.height, borderType);
memcpy(dst + (i - top)*dststep, dst + j*dststep, dstroi.width);
}
for( i = 0; i < bottom; i++ )
{
j = cv::borderInterpolate(i + srcroi.height, srcroi.height, borderType);
memcpy(dst + (i + srcroi.height)*dststep, dst + j*dststep, dstroi.width);
}
}
void copyMakeConstBorder_8u( const uchar* src, size_t srcstep, cv::Size srcroi,
uchar* dst, size_t dststep, cv::Size dstroi,
int top, int left, int cn, const uchar* value )
{
int i, j;
cv::AutoBuffer<uchar> _constBuf(dstroi.width*cn);
uchar* constBuf = _constBuf;
int right = dstroi.width - srcroi.width - left;
int bottom = dstroi.height - srcroi.height - top;
for( i = 0; i < dstroi.width; i++ )
{
for( j = 0; j < cn; j++ )
constBuf[i*cn + j] = value[j];
}
srcroi.width *= cn;
dstroi.width *= cn;
left *= cn;
right *= cn;
uchar* dstInner = dst + dststep*top + left;
for( i = 0; i < srcroi.height; i++, dstInner += dststep, src += srcstep )
{
if( dstInner != src )
memcpy( dstInner, src, srcroi.width );
memcpy( dstInner - left, constBuf, left );
memcpy( dstInner + srcroi.width, constBuf, right );
}
dst += dststep*top;
for( i = 0; i < top; i++ )
memcpy(dst + (i - top)*dststep, constBuf, dstroi.width);
for( i = 0; i < bottom; i++ )
memcpy(dst + (i + srcroi.height)*dststep, constBuf, dstroi.width);
}
}
void cv::copyMakeBorder( InputArray _src, OutputArray _dst, int top, int bottom,
int left, int right, int borderType, const Scalar& value )
{
Mat src = _src.getMat();
CV_Assert( top >= 0 && bottom >= 0 && left >= 0 && right >= 0 );
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, src.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( borderType != BORDER_CONSTANT )
copyMakeBorder_8u( src.data, src.step, src.size(),
dst.data, 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.data, src.step, src.size(),
dst.data, dst.step, dst.size(),
top, left, (int)src.elemSize(), (uchar*)(double*)buf );
}
}
/* dst = src */