mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2025-08-05 22:19:14 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Copy cv::borderInterpolate from core.

Browse Source 
Co-authored-by: Liutong HAN <liutong2020@iscas.ac.cn>
This commit is contained in:
amane-ame 2025-03-10 15:26:41 +08:00
parent e06502a254
commit 02253dd76b
1 changed files with 41 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
3rdparty/hal_rvv/hal_rvv_1p0/filter.hpp vendored
View File

@ -43,6 +43,39 @@ static inline int invoke(int start, int end, std::function<int(int, int, Args...
return func(start, start + 1, std::forward<Args>(args)...);
}
static inline int 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 )
{
CV_Assert(len > 0);
if( p < 0 )
p -= ((p-len+1)/len)*len;
if( p >= len )
p %= len;
}
else if( borderType == BORDER_CONSTANT )
p = -1;
return p;
}
struct Filter2D
{
const uchar* kernel_data;
@ -328,12 +361,12 @@ static inline int sepFilterRow(int start, int end, sepFilter2D* data, const ucha
int pj;
if (data->borderType & BORDER_ISOLATED)
{
pj = borderInterpolate(y - data->anchor_x, width, data->borderType & ~BORDER_ISOLATED);
pj = filter::borderInterpolate(y - data->anchor_x, width, data->borderType & ~BORDER_ISOLATED);
pj = pj < 0 ? noval : pj;
}
else
{
pj = borderInterpolate(offset_x + y - data->anchor_x, full_width, data->borderType);
pj = filter::borderInterpolate(offset_x + y - data->anchor_x, full_width, data->borderType);
pj = pj < 0 ? noval : pj - offset_x;
}
return pj;
@ -403,12 +436,12 @@ static inline int sepFilterCol(int start, int end, sepFilter2D* data, const floa
int pi;
if (data->borderType & BORDER_ISOLATED)
{
pi = borderInterpolate(x - data->anchor_y, height, data->borderType & ~BORDER_ISOLATED);
pi = filter::borderInterpolate(x - data->anchor_y, height, data->borderType & ~BORDER_ISOLATED);
pi = pi < 0 ? noval : pi;
}
else
{
pi = borderInterpolate(offset_y + x - data->anchor_y, full_height, data->borderType);
pi = filter::borderInterpolate(offset_y + x - data->anchor_y, full_height, data->borderType);
pi = pi < 0 ? noval : pi - offset_y;
}
return pi;
@ -593,15 +626,15 @@ static inline int morph(int start, int end, Morph2D* data, const uchar* src_data
int pi, pj;
if (data->borderType & BORDER_ISOLATED)
{
pi = borderInterpolate(x - data->anchor_y, height, data->borderType & ~BORDER_ISOLATED);
pj = borderInterpolate(y - data->anchor_x, width , data->borderType & ~BORDER_ISOLATED);
pi = filter::borderInterpolate(x - data->anchor_y, height, data->borderType & ~BORDER_ISOLATED);
pj = filter::borderInterpolate(y - data->anchor_x, width , data->borderType & ~BORDER_ISOLATED);
pi = pi < 0 ? noval : pi;
pj = pj < 0 ? noval : pj;
}
else
{
pi = borderInterpolate(offset_y + x - data->anchor_y, full_height, data->borderType);
pj = borderInterpolate(offset_x + y - data->anchor_x, full_width , data->borderType);
pi = filter::borderInterpolate(offset_y + x - data->anchor_y, full_height, data->borderType);
pj = filter::borderInterpolate(offset_x + y - data->anchor_x, full_width , data->borderType);
pi = pi < 0 ? noval : pi - offset_y;
pj = pj < 0 ? noval : pj - offset_x;
}