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support in-place warpAffine, warpPerspective & remap (feature #1150)

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This commit is contained in:
Vadim Pisarevsky 2012-04-04 11:44:09 +00:00
parent e88ff6837a
commit 3f609c89e2
1 changed files with 8 additions and 3 deletions
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11
modules/imgproc/src/imgwarp.cpp
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@ -2454,7 +2454,8 @@ void cv::remap( InputArray _src, OutputArray _dst,
_dst.create( map1.size(), src.type() );
Mat dst = _dst.getMat();
CV_Assert(dst.data != src.data);
if( dst.data == src.data )
src = src.clone();
int depth = src.depth(), map_depth = map1.depth();
RemapNNFunc nnfunc = 0;
@ -2823,7 +2824,9 @@ void cv::warpAffine( InputArray _src, OutputArray _dst,
Mat src = _src.getMat(), M0 = _M0.getMat();
_dst.create( dsize.area() == 0 ? src.size() : dsize, src.type() );
Mat dst = _dst.getMat();
CV_Assert( dst.data != src.data && src.cols > 0 && src.rows > 0 );
CV_Assert( src.cols > 0 && src.rows > 0 );
if( dst.data == src.data )
src = src.clone();
const int BLOCK_SZ = 64;
short XY[BLOCK_SZ*BLOCK_SZ*2], A[BLOCK_SZ*BLOCK_SZ];
@ -2966,7 +2969,9 @@ void cv::warpPerspective( InputArray _src, OutputArray _dst, InputArray _M0,
_dst.create( dsize.area() == 0 ? src.size() : dsize, src.type() );
Mat dst = _dst.getMat();
CV_Assert( dst.data != src.data && src.cols > 0 && src.rows > 0 );
CV_Assert( src.cols > 0 && src.rows > 0 );
if( dst.data == src.data )
src = src.clone();
const int BLOCK_SZ = 32;
short XY[BLOCK_SZ*BLOCK_SZ*2], A[BLOCK_SZ*BLOCK_SZ];