diff --git a/modules/imgproc/src/imgwarp.cpp b/modules/imgproc/src/imgwarp.cpp index 1b6147c3b5..a7f8eee449 100644 --- a/modules/imgproc/src/imgwarp.cpp +++ b/modules/imgproc/src/imgwarp.cpp @@ -50,6 +50,8 @@ #include "precomp.hpp" #include "opencl_kernels_imgproc.hpp" +using namespace cv; + namespace cv { #if IPP_VERSION_X100 >= 710 @@ -6475,11 +6477,13 @@ CV_IMPL void cvLogPolar( const CvArr* srcarr, CvArr* dstarr, CvPoint2D32f center, double M, int flags ) { + Mat src_with_border; // don't scope this variable (it holds image data) + cv::Ptr mapx, mapy; CvMat srcstub, *src = cvGetMat(srcarr, &srcstub); CvMat dststub, *dst = cvGetMat(dstarr, &dststub); - CvSize ssize, dsize; + CvSize dsize; if( !CV_ARE_TYPES_EQ( src, dst )) CV_Error( CV_StsUnmatchedFormats, "" ); @@ -6487,7 +6491,6 @@ cvLogPolar( const CvArr* srcarr, CvArr* dstarr, if( M <= 0 ) CV_Error( CV_StsOutOfRange, "M should be >0" ); - ssize = cvGetMatSize(src); dsize = cvGetMatSize(dst); mapx.reset(cvCreateMat( dsize.height, dsize.width, CV_32F )); @@ -6522,6 +6525,13 @@ cvLogPolar( const CvArr* srcarr, CvArr* dstarr, } else { + const int ANGLE_BORDER = 1; + Mat src_ = cv::cvarrToMat(src); + cv::copyMakeBorder(src_, src_with_border, ANGLE_BORDER, ANGLE_BORDER, 0, 0, BORDER_WRAP); + srcstub = src_with_border; src = &srcstub; + CvSize ssize = cvGetMatSize(src); + ssize.height -= 2*ANGLE_BORDER; + int x, y; CvMat bufx, bufy, bufp, bufa; double ascale = ssize.height/(2*CV_PI); @@ -6558,7 +6568,7 @@ cvLogPolar( const CvArr* srcarr, CvArr* dstarr, double phi = bufa.data.fl[x]*ascale; mx[x] = (float)rho; - my[x] = (float)phi; + my[x] = (float)phi + ANGLE_BORDER; } #else for( x = 0; x < dsize.width; x++ ) @@ -6599,11 +6609,13 @@ CV_IMPL void cvLinearPolar( const CvArr* srcarr, CvArr* dstarr, CvPoint2D32f center, double maxRadius, int flags ) { + Mat src_with_border; // don't scope this variable (it holds image data) + cv::Ptr mapx, mapy; CvMat srcstub, *src = (CvMat*)srcarr; CvMat dststub, *dst = (CvMat*)dstarr; - CvSize ssize, dsize; + CvSize dsize; src = cvGetMat( srcarr, &srcstub,0,0 ); dst = cvGetMat( dstarr, &dststub,0,0 ); @@ -6611,10 +6623,7 @@ void cvLinearPolar( const CvArr* srcarr, CvArr* dstarr, if( !CV_ARE_TYPES_EQ( src, dst )) CV_Error( CV_StsUnmatchedFormats, "" ); - ssize.width = src->cols; - ssize.height = src->rows; - dsize.width = dst->cols; - dsize.height = dst->rows; + dsize = cvGetMatSize(dst); mapx.reset(cvCreateMat( dsize.height, dsize.width, CV_32F )); mapy.reset(cvCreateMat( dsize.height, dsize.width, CV_32F )); @@ -6643,6 +6652,13 @@ void cvLinearPolar( const CvArr* srcarr, CvArr* dstarr, } else { + const int ANGLE_BORDER = 1; + Mat src_ = cv::cvarrToMat(src); + cv::copyMakeBorder(src_, src_with_border, ANGLE_BORDER, ANGLE_BORDER, 0, 0, BORDER_WRAP); + srcstub = src_with_border; src = &srcstub; + CvSize ssize = cvGetMatSize(src); + ssize.height -= 2*ANGLE_BORDER; + int x, y; CvMat bufx, bufy, bufp, bufa; const double ascale = ssize.height/(2*CV_PI); @@ -6674,7 +6690,7 @@ void cvLinearPolar( const CvArr* srcarr, CvArr* dstarr, double rho = bufp.data.fl[x]*pscale; double phi = bufa.data.fl[x]*ascale; mx[x] = (float)rho; - my[x] = (float)phi; + my[x] = (float)phi + ANGLE_BORDER; } } }