61     CvSize dftsize, blocksize;  in icvCrossCorr()  local
119     dftsize.width = cvGetOptimalDFTSize(blocksize.width + templ->cols - 1);  in icvCrossCorr()
120     if( dftsize.width == 1 )  in icvCrossCorr()
121         dftsize.width = 2;  in icvCrossCorr()
122     dftsize.height = cvGetOptimalDFTSize(blocksize.height + templ->rows - 1);  in icvCrossCorr()
123     if( dftsize.width <= 0 || dftsize.height <= 0 )  in icvCrossCorr()
127     blocksize.width = dftsize.width - templ->cols + 1;  in icvCrossCorr()
129     blocksize.height = dftsize.height - templ->rows + 1;  in icvCrossCorr()
132     CV_CALL( dft_templ = cvCreateMat( dftsize.height*templ_cn, dftsize.width, max_depth ));  in icvCrossCorr()
137         CV_CALL( dft_img[k] = cvCreateMat( dftsize.height, dftsize.width, max_depth ));  in icvCrossCorr()
160         int yofs = k*dftsize.height;  in icvCrossCorr()
183         cvGetSubRect( dft_templ, dst, cvRect(0,yofs,dftsize.width,dftsize.height) );  in icvCrossCorr()
219             yofs = i*dftsize.height;  in icvCrossCorr()
246             if( dftsize.width > isz.width )  in icvCrossCorr()
249                       dftsize.width - isz.width,dftsize.height) );  in icvCrossCorr()
255                 cvRect(0,(templ_cn>1?yofs:0),dftsize.width,dftsize.height) );  in icvCrossCorr()