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Merge pull request #9503 from sovrasov:convex_hull_disable_inplace

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Alexander Alekhin 2017-08-29 16:41:55 +00:00
commit 964dda2ef2
2 changed files with 3 additions and 0 deletions
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2
modules/imgproc/include/opencv2/imgproc.hpp
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@ -3977,6 +3977,8 @@ returns convex hull points. Otherwise, it returns indices of the convex hull poi
output array is std::vector, the flag is ignored, and the output depends on the type of the
vector: std::vector\<int\> implies returnPoints=false, std::vector\<Point\> implies
returnPoints=true.
@note `points` and `hull` should be different arrays, inplace processing isn't supported.
*/
CV_EXPORTS_W void convexHull( InputArray points, OutputArray hull,
bool clockwise = false, bool returnPoints = true );

1
modules/imgproc/src/convhull.cpp
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@ -130,6 +130,7 @@ void convexHull( InputArray _points, OutputArray _hull, bool clockwise, bool ret
{
CV_INSTRUMENT_REGION()
CV_Assert(_points.getObj() != _hull.getObj());
Mat points = _points.getMat();
int i, total = points.checkVector(2), depth = points.depth(), nout = 0;
int miny_ind = 0, maxy_ind = 0;