483 lines
15 KiB
C++
483 lines
15 KiB
C++
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/*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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typedef CvStatus (CV_STDCALL * CvCopyNonConstBorderFunc)(
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const void*, int, CvSize, void*, int, CvSize, int, int );
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typedef CvStatus (CV_STDCALL * CvCopyNonConstBorderFuncI)(
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const void*, int, CvSize, CvSize, int, int );
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CvStatus CV_STDCALL
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icvCopyReplicateBorder_8u( const uchar* src, int srcstep, CvSize srcroi,
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uchar* dst, int dststep, CvSize dstroi,
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int top, int left, int cn, const uchar* )
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{
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const int isz = (int)sizeof(int);
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int i, j;
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if( (cn | srcstep | dststep | (size_t)src | (size_t)dst) % isz == 0 )
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{
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const int* isrc = (const int*)src;
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int* idst = (int*)dst;
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cn /= isz;
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srcstep /= isz;
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dststep /= isz;
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srcroi.width *= cn;
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dstroi.width *= cn;
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left *= cn;
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for( i = 0; i < dstroi.height; i++, idst += dststep )
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{
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if( idst + left != isrc )
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memcpy( idst + left, isrc, srcroi.width*sizeof(idst[0]) );
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for( j = left - 1; j >= 0; j-- )
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idst[j] = idst[j + cn];
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for( j = left+srcroi.width; j < dstroi.width; j++ )
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idst[j] = idst[j - cn];
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if( i >= top && i < top + srcroi.height - 1 )
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isrc += srcstep;
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}
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}
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else
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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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for( i = 0; i < dstroi.height; i++, dst += dststep )
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{
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if( dst + left != src )
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memcpy( dst + left, src, srcroi.width );
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for( j = left - 1; j >= 0; j-- )
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dst[j] = dst[j + cn];
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for( j = left+srcroi.width; j < dstroi.width; j++ )
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dst[j] = dst[j - cn];
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if( i >= top && i < top + srcroi.height - 1 )
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src += srcstep;
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}
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}
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return CV_OK;
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}
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static CvStatus CV_STDCALL
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icvCopyReflect101Border_8u( const uchar* src, int srcstep, CvSize srcroi,
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uchar* dst, int dststep, CvSize dstroi,
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int top, int left, int cn )
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{
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const int isz = (int)sizeof(int);
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int i, j, k, t, dj, tab_size, int_mode = 0;
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const int* isrc = (const int*)src;
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int* idst = (int*)dst, *tab;
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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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srcstep /= isz;
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dststep /= isz;
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int_mode = 1;
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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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tab_size = dstroi.width - srcroi.width;
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tab = (int*)cvStackAlloc( tab_size*sizeof(tab[0]) );
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if( srcroi.width == 1 )
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{
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for( k = 0; k < cn; k++ )
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for( i = 0; i < tab_size; i += cn )
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tab[i + k] = k + left;
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}
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else
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{
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j = dj = cn;
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for( i = left - cn; i >= 0; i -= cn )
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{
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for( k = 0; k < cn; k++ )
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tab[i + k] = j + k + left;
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if( (unsigned)(j += dj) >= (unsigned)srcroi.width )
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j -= 2*dj, dj = -dj;
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}
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j = srcroi.width - cn*2;
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dj = -cn;
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for( i = left; i < tab_size; i += cn )
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{
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for( k = 0; k < cn; k++ )
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tab[i + k] = j + k + left;
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if( (unsigned)(j += dj) >= (unsigned)srcroi.width )
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j -= 2*dj, dj = -dj;
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}
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}
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if( int_mode )
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{
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idst += top*dststep;
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for( i = 0; i < srcroi.height; i++, isrc += srcstep, idst += dststep )
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{
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if( idst + left != isrc )
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memcpy( idst + left, isrc, srcroi.width*sizeof(idst[0]) );
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for( j = 0; j < left; j++ )
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{
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k = tab[j];
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idst[j] = idst[k];
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}
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for( ; j < tab_size; j++ )
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{
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k = tab[j];
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idst[j + srcroi.width] = idst[k];
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}
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}
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isrc -= srcroi.height*srcstep;
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idst -= (top + srcroi.height)*dststep;
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}
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else
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{
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dst += top*dststep;
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for( i = 0; i < srcroi.height; i++, src += srcstep, dst += dststep )
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{
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if( dst + left != src )
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memcpy( dst + left, src, srcroi.width );
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for( j = 0; j < left; j++ )
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{
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k = tab[j];
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dst[j] = dst[k];
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}
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for( ; j < tab_size; j++ )
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{
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k = tab[j];
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dst[j + srcroi.width] = dst[k];
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}
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}
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src -= srcroi.height*srcstep;
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dst -= (top + srcroi.height)*dststep;
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}
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for( t = 0; t < 2; t++ )
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{
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int i1, i2, di;
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if( t == 0 )
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i1 = top-1, i2 = 0, di = -1, j = 1, dj = 1;
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else
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i1 = top+srcroi.height, i2=dstroi.height, di = 1, j = srcroi.height-2, dj = -1;
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for( i = i1; (di > 0 && i < i2) || (di < 0 && i > i2); i += di )
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{
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if( int_mode )
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{
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const int* s = idst + i*dststep;
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int* d = idst + (j+top)*dststep;
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for( k = 0; k < dstroi.width; k++ )
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d[k] = s[k];
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}
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else
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{
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const uchar* s = dst + i*dststep;
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uchar* d = dst + (j+top)*dststep;
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for( k = 0; k < dstroi.width; k++ )
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d[k] = s[k];
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}
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if( (unsigned)(j += dj) >= (unsigned)srcroi.height )
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j -= 2*dj, dj = -dj;
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}
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}
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return CV_OK;
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}
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static CvStatus CV_STDCALL
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icvCopyConstBorder_8u( const uchar* src, int srcstep, CvSize srcroi,
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uchar* dst, int dststep, CvSize dstroi,
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int top, int left, int cn, const uchar* value )
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{
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const int isz = (int)sizeof(int);
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int i, j, k;
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if( (cn | srcstep | dststep | (size_t)src | (size_t)dst | (size_t)value) % isz == 0 )
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{
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const int* isrc = (const int*)src;
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int* idst = (int*)dst;
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const int* ivalue = (const int*)value;
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int v0 = ivalue[0];
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cn /= isz;
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srcstep /= isz;
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dststep /= isz;
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srcroi.width *= cn;
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dstroi.width *= cn;
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left *= cn;
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for( j = 1; j < cn; j++ )
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if( ivalue[j] != ivalue[0] )
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break;
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if( j == cn )
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cn = 1;
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if( dstroi.width <= 0 )
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return CV_OK;
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for( i = 0; i < dstroi.height; i++, idst += dststep )
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{
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if( i < top || i >= top + srcroi.height )
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{
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if( cn == 1 )
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{
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for( j = 0; j < dstroi.width; j++ )
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idst[j] = v0;
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}
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else
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{
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for( j = 0; j < cn; j++ )
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idst[j] = ivalue[j];
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for( ; j < dstroi.width; j++ )
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idst[j] = idst[j - cn];
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}
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continue;
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}
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if( cn == 1 )
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{
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for( j = 0; j < left; j++ )
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idst[j] = v0;
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for( j = srcroi.width + left; j < dstroi.width; j++ )
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idst[j] = v0;
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}
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else
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{
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for( k = 0; k < cn; k++ )
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{
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for( j = 0; j < left; j += cn )
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idst[j+k] = ivalue[k];
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for( j = srcroi.width + left; j < dstroi.width; j += cn )
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idst[j+k] = ivalue[k];
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}
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}
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if( idst + left != isrc )
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for( j = 0; j < srcroi.width; j++ )
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idst[j + left] = isrc[j];
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isrc += srcstep;
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}
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}
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else
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{
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uchar v0 = value[0];
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srcroi.width *= cn;
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dstroi.width *= cn;
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left *= cn;
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for( j = 1; j < cn; j++ )
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if( value[j] != value[0] )
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break;
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if( j == cn )
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cn = 1;
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if( dstroi.width <= 0 )
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return CV_OK;
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for( i = 0; i < dstroi.height; i++, dst += dststep )
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{
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if( i < top || i >= top + srcroi.height )
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{
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if( cn == 1 )
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{
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for( j = 0; j < dstroi.width; j++ )
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dst[j] = v0;
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}
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else
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{
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for( j = 0; j < cn; j++ )
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dst[j] = value[j];
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for( ; j < dstroi.width; j++ )
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dst[j] = dst[j - cn];
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}
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continue;
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}
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if( cn == 1 )
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{
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for( j = 0; j < left; j++ )
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dst[j] = v0;
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for( j = srcroi.width + left; j < dstroi.width; j++ )
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dst[j] = v0;
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}
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else
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{
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for( k = 0; k < cn; k++ )
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{
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for( j = 0; j < left; j += cn )
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dst[j+k] = value[k];
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for( j = srcroi.width + left; j < dstroi.width; j += cn )
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dst[j+k] = value[k];
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}
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}
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if( dst + left != src )
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for( j = 0; j < srcroi.width; j++ )
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dst[j + left] = src[j];
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src += srcstep;
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}
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}
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return CV_OK;
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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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CvMat srcstub, *src = (CvMat*)srcarr;
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CvMat dststub, *dst = (CvMat*)dstarr;
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CvSize srcsize, dstsize;
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int srcstep, dststep;
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int pix_size, type;
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if( !CV_IS_MAT(src) )
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src = cvGetMat( src, &srcstub );
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if( !CV_IS_MAT(dst) )
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dst = cvGetMat( dst, &dststub );
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if( offset.x < 0 || offset.y < 0 )
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CV_Error( CV_StsOutOfRange, "Offset (left/top border width) is negative" );
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|
|
||
|
if( src->rows + offset.y > dst->rows || src->cols + offset.x > dst->cols )
|
||
|
CV_Error( CV_StsBadSize, "Source array is too big or destination array is too small" );
|
||
|
|
||
|
if( !CV_ARE_TYPES_EQ( src, dst ))
|
||
|
CV_Error( CV_StsUnmatchedFormats, "" );
|
||
|
|
||
|
type = CV_MAT_TYPE(src->type);
|
||
|
pix_size = CV_ELEM_SIZE(type);
|
||
|
srcsize = cvGetMatSize(src);
|
||
|
dstsize = cvGetMatSize(dst);
|
||
|
srcstep = src->step;
|
||
|
dststep = dst->step;
|
||
|
if( srcstep == 0 )
|
||
|
srcstep = CV_STUB_STEP;
|
||
|
if( dststep == 0 )
|
||
|
dststep = CV_STUB_STEP;
|
||
|
|
||
|
if( bordertype == IPL_BORDER_REPLICATE )
|
||
|
{
|
||
|
icvCopyReplicateBorder_8u( src->data.ptr, srcstep, srcsize,
|
||
|
dst->data.ptr, dststep, dstsize,
|
||
|
offset.y, offset.x, pix_size );
|
||
|
}
|
||
|
else if( bordertype == IPL_BORDER_REFLECT_101 )
|
||
|
{
|
||
|
icvCopyReflect101Border_8u( src->data.ptr, srcstep, srcsize,
|
||
|
dst->data.ptr, dststep, dstsize,
|
||
|
offset.y, offset.x, pix_size );
|
||
|
}
|
||
|
else if( bordertype == IPL_BORDER_CONSTANT )
|
||
|
{
|
||
|
double buf[4];
|
||
|
cvScalarToRawData( &value, buf, src->type, 0 );
|
||
|
icvCopyConstBorder_8u( src->data.ptr, srcstep, srcsize,
|
||
|
dst->data.ptr, dststep, dstsize,
|
||
|
offset.y, offset.x, pix_size, (uchar*)buf );
|
||
|
}
|
||
|
else
|
||
|
CV_Error( CV_StsBadFlag, "Unknown/unsupported border type" );
|
||
|
}
|
||
|
|
||
|
namespace cv
|
||
|
{
|
||
|
|
||
|
void copyMakeBorder( const Mat& src, Mat& dst, int top, int bottom,
|
||
|
int left, int right, int borderType, const Scalar& value )
|
||
|
{
|
||
|
dst.create( src.rows + top + bottom, src.cols + left + right, src.type() );
|
||
|
CvMat _src = src, _dst = dst;
|
||
|
cvCopyMakeBorder( &_src, &_dst, Point(left, top), borderType, value );
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
/* End of file. */
|