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311 lines
8.7 KiB
C++
311 lines
8.7 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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/* ////////////////////////////////////////////////////////////////////
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//
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// C++ classes for image and matrices
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//
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// */
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#include "precomp.hpp"
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#include "opencv2/highgui/highgui_c.h"
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/////////////////////////////// CvImage implementation //////////////////////////////////
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static bool
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icvIsXmlOrYaml( const char* filename )
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{
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const char* suffix = strrchr( filename, '.' );
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return suffix &&
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(strcmp( suffix, ".xml" ) == 0 ||
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strcmp( suffix, ".Xml" ) == 0 ||
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strcmp( suffix, ".XML" ) == 0 ||
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strcmp( suffix, ".yml" ) == 0 ||
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strcmp( suffix, ".Yml" ) == 0 ||
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strcmp( suffix, ".YML" ) == 0 ||
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strcmp( suffix, ".yaml" ) == 0 ||
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strcmp( suffix, ".Yaml" ) == 0 ||
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strcmp( suffix, ".YAML" ) == 0);
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}
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static IplImage*
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icvRetrieveImage( void* obj )
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{
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IplImage* img = 0;
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if( CV_IS_IMAGE(obj) )
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img = (IplImage*)obj;
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else if( CV_IS_MAT(obj) )
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{
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CvMat* m = (CvMat*)obj;
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img = cvCreateImageHeader( cvSize(m->cols,m->rows),
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CV_MAT_DEPTH(m->type), CV_MAT_CN(m->type) );
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cvSetData( img, m->data.ptr, m->step );
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img->imageDataOrigin = (char*)m->refcount;
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m->data.ptr = 0; m->step = 0;
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cvReleaseMat( &m );
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}
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else if( obj )
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{
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cvRelease( &obj );
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CV_Error( CV_StsUnsupportedFormat, "The object is neither an image, nor a matrix" );
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}
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return img;
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}
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bool CvImage::load( const char* filename, const char* imgname, int color )
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{
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IplImage* img = 0;
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if( icvIsXmlOrYaml(filename) )
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{
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img = icvRetrieveImage(cvLoad(filename,0,imgname));
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if( (img->nChannels > 1) != (color == 0) )
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CV_Error( CV_StsNotImplemented,
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"RGB<->Grayscale conversion is not implemented for images stored in XML/YAML" );
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/*{
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IplImage* temp_img = 0;
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temp_img = cvCreateImage( cvGetSize(img), img->depth, color > 0 ? 3 : 1 ));
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cvCvtColor( img, temp_img, color > 0 ? CV_GRAY2BGR : CV_BGR2GRAY );
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cvReleaseImage( &img );
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img = temp_img;
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}*/
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}
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else
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img = cvLoadImage( filename, color );
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attach( img );
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return img != 0;
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}
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bool CvImage::read( CvFileStorage* fs, const char* mapname, const char* imgname )
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{
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void* obj = 0;
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IplImage* img = 0;
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if( mapname )
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{
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CvFileNode* mapnode = cvGetFileNodeByName( fs, 0, mapname );
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if( !mapnode )
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obj = cvReadByName( fs, mapnode, imgname );
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}
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else
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obj = cvReadByName( fs, 0, imgname );
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img = icvRetrieveImage(obj);
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attach( img );
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return img != 0;
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}
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bool CvImage::read( CvFileStorage* fs, const char* seqname, int idx )
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{
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void* obj = 0;
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IplImage* img = 0;
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CvFileNode* seqnode = seqname ?
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cvGetFileNodeByName( fs, 0, seqname ) : cvGetRootFileNode(fs,0);
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if( seqnode && CV_NODE_IS_SEQ(seqnode->tag) )
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obj = cvRead( fs, (CvFileNode*)cvGetSeqElem( seqnode->data.seq, idx ));
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img = icvRetrieveImage(obj);
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attach( img );
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return img != 0;
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}
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void CvImage::save( const char* filename, const char* imgname, const int* params )
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{
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if( !image )
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return;
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if( icvIsXmlOrYaml( filename ) )
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cvSave( filename, image, imgname );
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else
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cvSaveImage( filename, image, params );
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}
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void CvImage::write( CvFileStorage* fs, const char* imgname )
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{
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if( image )
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cvWrite( fs, imgname, image );
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}
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void CvImage::show( const char* window_name )
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{
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if( image )
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cvShowImage( window_name, image );
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}
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/////////////////////////////// CvMatrix implementation //////////////////////////////////
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CvMatrix::CvMatrix( int rows, int cols, int type, CvMemStorage* storage, bool alloc_data )
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{
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if( storage )
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{
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matrix = (CvMat*)cvMemStorageAlloc( storage, sizeof(*matrix) );
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cvInitMatHeader( matrix, rows, cols, type, alloc_data ?
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cvMemStorageAlloc( storage, rows*cols*CV_ELEM_SIZE(type) ) : 0 );
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}
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else
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matrix = 0;
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}
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static CvMat*
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icvRetrieveMatrix( void* obj )
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{
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CvMat* m = 0;
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if( CV_IS_MAT(obj) )
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m = (CvMat*)obj;
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else if( CV_IS_IMAGE(obj) )
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{
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IplImage* img = (IplImage*)obj;
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CvMat hdr, *src = cvGetMat( img, &hdr );
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m = cvCreateMat( src->rows, src->cols, src->type );
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cvCopy( src, m );
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cvReleaseImage( &img );
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}
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else if( obj )
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{
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cvRelease( &obj );
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CV_Error( CV_StsUnsupportedFormat, "The object is neither an image, nor a matrix" );
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}
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return m;
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}
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bool CvMatrix::load( const char* filename, const char* matname, int color )
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{
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CvMat* m = 0;
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if( icvIsXmlOrYaml(filename) )
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{
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m = icvRetrieveMatrix(cvLoad(filename,0,matname));
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if( (CV_MAT_CN(m->type) > 1) != (color == 0) )
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CV_Error( CV_StsNotImplemented,
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"RGB<->Grayscale conversion is not implemented for matrices stored in XML/YAML" );
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/*{
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CvMat* temp_mat;
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temp_mat = cvCreateMat( m->rows, m->cols,
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CV_MAKETYPE(CV_MAT_DEPTH(m->type), color > 0 ? 3 : 1 )));
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cvCvtColor( m, temp_mat, color > 0 ? CV_GRAY2BGR : CV_BGR2GRAY );
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cvReleaseMat( &m );
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m = temp_mat;
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}*/
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}
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else
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m = cvLoadImageM( filename, color );
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set( m, false );
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return m != 0;
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}
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bool CvMatrix::read( CvFileStorage* fs, const char* mapname, const char* matname )
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{
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void* obj = 0;
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CvMat* m = 0;
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if( mapname )
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{
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CvFileNode* mapnode = cvGetFileNodeByName( fs, 0, mapname );
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if( !mapnode )
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obj = cvReadByName( fs, mapnode, matname );
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}
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else
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obj = cvReadByName( fs, 0, matname );
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m = icvRetrieveMatrix(obj);
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set( m, false );
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return m != 0;
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}
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bool CvMatrix::read( CvFileStorage* fs, const char* seqname, int idx )
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{
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void* obj = 0;
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CvMat* m = 0;
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CvFileNode* seqnode = seqname ?
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cvGetFileNodeByName( fs, 0, seqname ) : cvGetRootFileNode(fs,0);
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if( seqnode && CV_NODE_IS_SEQ(seqnode->tag) )
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obj = cvRead( fs, (CvFileNode*)cvGetSeqElem( seqnode->data.seq, idx ));
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m = icvRetrieveMatrix(obj);
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set( m, false );
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return m != 0;
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}
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void CvMatrix::save( const char* filename, const char* matname, const int* params )
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{
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if( !matrix )
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return;
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if( icvIsXmlOrYaml( filename ) )
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cvSave( filename, matrix, matname );
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else
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cvSaveImage( filename, matrix, params );
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}
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void CvMatrix::write( CvFileStorage* fs, const char* matname )
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{
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if( matrix )
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cvWrite( fs, matname, matrix );
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}
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void CvMatrix::show( const char* window_name )
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{
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if( matrix )
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cvShowImage( window_name, matrix );
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}
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/* End of file. */
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