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Add copyMakeBorder function in simpleocv #6411

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Add copyMakeBorder function in simpleocv #6411

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858d881
Add copyMakeBorder function in simpleocv
whyb Nov 18, 2025
0539222
apply code-format changes
whyb Nov 18, 2025
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24 changes: 24 additions & 0 deletions src/simpleocv.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -339,6 +339,30 @@ void resize(const Mat& src, Mat& dst, const Size& size, float sw, float sh, int

dst = tmp;
}

void copyMakeBorder(const Mat& src, Mat& dst, int top, int bottom, int left, int right, BorderType borderType, const Scalar& value = Scalar())
{
ncnn::BorderType ncnn_border_type;
switch (borderType)
{
case BORDER_CONSTANT:
ncnn_border_type = ncnn::BORDER_CONSTANT;
break;
case BORDER_REPLICATE:
ncnn_border_type = ncnn::BORDER_REPLICATE;
break;
case BORDER_REFLECT:
ncnn_border_type = ncnn::BORDER_REFLECT;
break;
case BORDER_TRANSPARENT:
ncnn_border_type = ncnn::BORDER_TRANSPARENT;
break;
default:
ncnn_border_type = ncnn::BORDER_CONSTANT;
break;
}
ncnn::copy_make_border(src, dst, top, bottom, left, right, ncnn_border_type, value[0]);
}
#endif // NCNN_PIXEL

#if NCNN_PIXEL_DRAWING
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13 changes: 13 additions & 0 deletions src/simpleocv.h
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Expand Up @@ -452,6 +452,19 @@ NCNN_EXPORT int waitKey(int delay = 0);

#if NCNN_PIXEL
NCNN_EXPORT void resize(const Mat& src, Mat& dst, const Size& size, float sw = 0.f, float sh = 0.f, int flags = 0);
enum BorderType
{
BORDER_CONSTANT = 0,
BORDER_REPLICATE = 1,
BORDER_REFLECT = 2,
BORDER_WRAP = 3,
BORDER_REFLECT_101 = 4,
BORDER_TRANSPARENT = 5,
BORDER_REFLECT101 = BORDER_REFLECT_101,
BORDER_DEFAULT = BORDER_REFLECT_101,
BORDER_ISOLATED = 16
};
NCNN_EXPORT void copyMakeBorder(const Mat& src, Mat& dst, int top, int bottom, int left, int right, BorderType borderType, const Scalar& value = Scalar());
#endif // NCNN_PIXEL

#if NCNN_PIXEL_DRAWING
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