mirror of
https://github.com/opencv/opencv.git
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261 lines
8.9 KiB
C++
261 lines
8.9 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#include "precomp.hpp"
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CV_IMPL CvSeq* cvPointSeqFromMat( int seq_kind, const CvArr* arr,
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CvContour* contour_header, CvSeqBlock* block )
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{
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CV_Assert( arr != 0 && contour_header != 0 && block != 0 );
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int eltype;
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CvMat* mat = (CvMat*)arr;
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if( !CV_IS_MAT( mat ))
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CV_Error( CV_StsBadArg, "Input array is not a valid matrix" );
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eltype = CV_MAT_TYPE( mat->type );
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if( eltype != CV_32SC2 && eltype != CV_32FC2 )
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CV_Error( CV_StsUnsupportedFormat,
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"The matrix can not be converted to point sequence because of "
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"inappropriate element type" );
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if( (mat->width != 1 && mat->height != 1) || !CV_IS_MAT_CONT(mat->type))
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CV_Error( CV_StsBadArg,
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"The matrix converted to point sequence must be "
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"1-dimensional and continuous" );
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cvMakeSeqHeaderForArray(
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(seq_kind & (CV_SEQ_KIND_MASK|CV_SEQ_FLAG_CLOSED)) | eltype,
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sizeof(CvContour), CV_ELEM_SIZE(eltype), mat->data.ptr,
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mat->width*mat->height, (CvSeq*)contour_header, block );
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return (CvSeq*)contour_header;
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}
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namespace cv
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{
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static void copyMakeBorder_8u( const uchar* src, size_t srcstep, Size srcroi,
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uchar* dst, size_t dststep, Size dstroi,
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int top, int left, int cn, int borderType )
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{
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const int isz = (int)sizeof(int);
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int i, j, k, elemSize = 1;
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bool intMode = false;
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if( (cn | srcstep | dststep | (size_t)src | (size_t)dst) % isz == 0 )
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{
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cn /= isz;
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elemSize = isz;
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intMode = true;
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}
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AutoBuffer<int> _tab((dstroi.width - srcroi.width)*cn);
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int* tab = _tab;
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int right = dstroi.width - srcroi.width - left;
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int bottom = dstroi.height - srcroi.height - top;
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for( i = 0; i < left; i++ )
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{
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j = borderInterpolate(i - left, srcroi.width, borderType)*cn;
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for( k = 0; k < cn; k++ )
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tab[i*cn + k] = j + k;
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}
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for( i = 0; i < right; i++ )
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{
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j = borderInterpolate(srcroi.width + i, srcroi.width, borderType)*cn;
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for( k = 0; k < cn; k++ )
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tab[(i+left)*cn + k] = j + k;
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}
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srcroi.width *= cn;
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dstroi.width *= cn;
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left *= cn;
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right *= cn;
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uchar* dstInner = dst + dststep*top + left*elemSize;
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for( i = 0; i < srcroi.height; i++, dstInner += dststep, src += srcstep )
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{
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if( dstInner != src )
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memcpy(dstInner, src, srcroi.width*elemSize);
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if( intMode )
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{
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const int* isrc = (int*)src;
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int* idstInner = (int*)dstInner;
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for( j = 0; j < left; j++ )
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idstInner[j - left] = isrc[tab[j]];
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for( j = 0; j < right; j++ )
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idstInner[j + srcroi.width] = isrc[tab[j + left]];
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}
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else
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{
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for( j = 0; j < left; j++ )
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dstInner[j - left] = src[tab[j]];
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for( j = 0; j < right; j++ )
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dstInner[j + srcroi.width] = src[tab[j + left]];
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}
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}
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dstroi.width *= elemSize;
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dst += dststep*top;
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for( i = 0; i < top; i++ )
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{
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j = borderInterpolate(i - top, srcroi.height, borderType);
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memcpy(dst + (i - top)*dststep, dst + j*dststep, dstroi.width);
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}
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for( i = 0; i < bottom; i++ )
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{
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j = borderInterpolate(i + srcroi.height, srcroi.height, borderType);
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memcpy(dst + (i + srcroi.height)*dststep, dst + j*dststep, dstroi.width);
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}
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}
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static void copyMakeConstBorder_8u( const uchar* src, size_t srcstep, Size srcroi,
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uchar* dst, size_t dststep, Size dstroi,
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int top, int left, int cn, const uchar* value )
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{
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int i, j;
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AutoBuffer<uchar> _constBuf(dstroi.width*cn);
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uchar* constBuf = _constBuf;
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int right = dstroi.width - srcroi.width - left;
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int bottom = dstroi.height - srcroi.height - top;
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for( i = 0; i < dstroi.width; i++ )
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{
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for( j = 0; j < cn; j++ )
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constBuf[i*cn + j] = value[j];
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}
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srcroi.width *= cn;
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dstroi.width *= cn;
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left *= cn;
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right *= cn;
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uchar* dstInner = dst + dststep*top + left;
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for( i = 0; i < srcroi.height; i++, dstInner += dststep, src += srcstep )
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{
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if( dstInner != src )
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memcpy( dstInner, src, srcroi.width );
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memcpy( dstInner - left, constBuf, left );
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memcpy( dstInner + srcroi.width, constBuf, right );
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}
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dst += dststep*top;
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for( i = 0; i < top; i++ )
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memcpy(dst + (i - top)*dststep, constBuf, dstroi.width);
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for( i = 0; i < bottom; i++ )
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memcpy(dst + (i + srcroi.height)*dststep, constBuf, dstroi.width);
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}
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}
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void cv::copyMakeBorder( InputArray _src, OutputArray _dst, int top, int bottom,
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int left, int right, int borderType, const Scalar& value )
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{
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Mat src = _src.getMat();
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CV_Assert( top >= 0 && bottom >= 0 && left >= 0 && right >= 0 );
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_dst.create( src.rows + top + bottom, src.cols + left + right, src.type() );
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Mat dst = _dst.getMat();
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if( src.isSubmatrix() && (borderType & BORDER_ISOLATED) == 0 )
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{
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Size wholeSize;
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Point ofs;
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src.locateROI(wholeSize, ofs);
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int dtop = std::min(ofs.y, top);
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int dbottom = std::min(wholeSize.height - src.rows - ofs.y, bottom);
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int dleft = std::min(ofs.x, left);
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int dright = std::min(wholeSize.width - src.cols - ofs.x, right);
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src.adjustROI(dtop, dbottom, dleft, dright);
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top -= dtop;
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left -= dleft;
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bottom -= dbottom;
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right -= dright;
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}
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borderType &= ~BORDER_ISOLATED;
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if( borderType != BORDER_CONSTANT )
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copyMakeBorder_8u( src.data, src.step, src.size(),
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dst.data, dst.step, dst.size(),
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top, left, (int)src.elemSize(), borderType );
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else
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{
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int cn = src.channels(), cn1 = cn;
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AutoBuffer<double> buf(cn);
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if( cn > 4 )
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{
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CV_Assert( value[0] == value[1] && value[0] == value[2] && value[0] == value[3] );
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cn1 = 1;
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}
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scalarToRawData(value, buf, CV_MAKETYPE(src.depth(), cn1), cn);
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copyMakeConstBorder_8u( src.data, src.step, src.size(),
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dst.data, dst.step, dst.size(),
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top, left, (int)src.elemSize(), (uchar*)(double*)buf );
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}
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}
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CV_IMPL void
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cvCopyMakeBorder( const CvArr* srcarr, CvArr* dstarr, CvPoint offset,
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int borderType, CvScalar value )
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{
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cv::Mat src = cv::cvarrToMat(srcarr), dst = cv::cvarrToMat(dstarr);
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int left = offset.x, right = dst.cols - src.cols - left;
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int top = offset.y, bottom = dst.rows - src.rows - top;
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CV_Assert( dst.type() == src.type() );
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cv::copyMakeBorder( src, dst, top, bottom, left, right, borderType, value );
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}
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/* End of file. */
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