1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // Intel License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000, Intel Corporation, all rights reserved. 14 // Third party copyrights are property of their respective owners. 15 // 16 // Redistribution and use in source and binary forms, with or without modification, 17 // are permitted provided that the following conditions are met: 18 // 19 // * Redistribution's of source code must retain the above copyright notice, 20 // this list of conditions and the following disclaimer. 21 // 22 // * Redistribution's in binary form must reproduce the above copyright notice, 23 // this list of conditions and the following disclaimer in the documentation 24 // and/or other materials provided with the distribution. 25 // 26 // * The name of Intel Corporation may not be used to endorse or promote products 27 // derived from this software without specific prior written permission. 28 // 29 // This software is provided by the copyright holders and contributors "as is" and 30 // any express or implied warranties, including, but not limited to, the implied 31 // warranties of merchantability and fitness for a particular purpose are disclaimed. 32 // In no event shall the Intel Corporation or contributors be liable for any direct, 33 // indirect, incidental, special, exemplary, or consequential damages 34 // (including, but not limited to, procurement of substitute goods or services; 35 // loss of use, data, or profits; or business interruption) however caused 36 // and on any theory of liability, whether in contract, strict liability, 37 // or tort (including negligence or otherwise) arising in any way out of 38 // the use of this software, even if advised of the possibility of such damage. 39 // 40 //M*/ 41 42 #include "precomp.hpp" 43 44 CV_IMPL CvSeq* cvPointSeqFromMat( int seq_kind, const CvArr* arr, 45 CvContour* contour_header, CvSeqBlock* block ) 46 { 47 CV_Assert( arr != 0 && contour_header != 0 && block != 0 ); 48 49 int eltype; 50 CvMat hdr; 51 CvMat* mat = (CvMat*)arr; 52 53 if( !CV_IS_MAT( mat )) 54 CV_Error( CV_StsBadArg, "Input array is not a valid matrix" ); 55 56 if( CV_MAT_CN(mat->type) == 1 && mat->width == 2 ) 57 mat = cvReshape(mat, &hdr, 2); 58 59 eltype = CV_MAT_TYPE( mat->type ); 60 if( eltype != CV_32SC2 && eltype != CV_32FC2 ) 61 CV_Error( CV_StsUnsupportedFormat, 62 "The matrix can not be converted to point sequence because of " 63 "inappropriate element type" ); 64 65 if( (mat->width != 1 && mat->height != 1) || !CV_IS_MAT_CONT(mat->type)) 66 CV_Error( CV_StsBadArg, 67 "The matrix converted to point sequence must be " 68 "1-dimensional and continuous" ); 69 70 cvMakeSeqHeaderForArray( 71 (seq_kind & (CV_SEQ_KIND_MASK|CV_SEQ_FLAG_CLOSED)) | eltype, 72 sizeof(CvContour), CV_ELEM_SIZE(eltype), mat->data.ptr, 73 mat->width*mat->height, (CvSeq*)contour_header, block ); 74 75 return (CvSeq*)contour_header; 76 } 77 78 CV_IMPL void 79 cvCopyMakeBorder( const CvArr* srcarr, CvArr* dstarr, CvPoint offset, 80 int borderType, CvScalar value ) 81 { 82 cv::Mat src = cv::cvarrToMat(srcarr), dst = cv::cvarrToMat(dstarr); 83 int left = offset.x, right = dst.cols - src.cols - left; 84 int top = offset.y, bottom = dst.rows - src.rows - top; 85 86 CV_Assert( dst.type() == src.type() ); 87 cv::copyMakeBorder( src, dst, top, bottom, left, right, borderType, value ); 88 } 89 90 /* End of file. */ 91