/*M///////////////////////////////////////////////////////////////////////////////////////
//
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//
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// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// Intel License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of Intel Corporation may not be used to endorse or promote products
// derived from this software without specific prior written permission.
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// This software is provided by the copyright holders and contributors "as is" and
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
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//M*/
/* ////////////////////////////////////////////////////////////////////
//
// C++ classes for image and matrices
//
// */
#include "_cxcore.h"
/////////////////////////////// CvImage implementation //////////////////////////////////
static CvLoadImageFunc load_image = 0;
static CvLoadImageMFunc load_image_m = 0;
static CvSaveImageFunc save_image = 0;
static CvShowImageFunc show_image = NULL;
static bool
icvIsXmlOrYaml( const char* filename )
{
const char* suffix = strrchr( filename, '.' );
return suffix &&
(strcmp( suffix, ".xml" ) == 0 ||
strcmp( suffix, ".Xml" ) == 0 ||
strcmp( suffix, ".XML" ) == 0 ||
strcmp( suffix, ".yml" ) == 0 ||
strcmp( suffix, ".Yml" ) == 0 ||
strcmp( suffix, ".YML" ) == 0 ||
strcmp( suffix, ".yaml" ) == 0 ||
strcmp( suffix, ".Yaml" ) == 0 ||
strcmp( suffix, ".YAML" ) == 0);
}
static IplImage*
icvRetrieveImage( void* obj )
{
IplImage* img = 0;
CV_FUNCNAME( "icvRetrieveImage" );
__BEGIN__;
if( CV_IS_IMAGE(obj) )
img = (IplImage*)obj;
else if( CV_IS_MAT(obj) )
{
CvMat* m = (CvMat*)obj;
CV_CALL( img = cvCreateImageHeader( cvSize(m->cols,m->rows),
CV_MAT_DEPTH(m->type), CV_MAT_CN(m->type) ));
cvSetData( img, m->data.ptr, m->step );
img->imageDataOrigin = (char*)m->refcount;
m->data.ptr = 0; m->step = 0;
cvReleaseMat( &m );
}
else if( obj )
{
cvRelease( &obj );
CV_ERROR( CV_StsUnsupportedFormat, "The object is neither an image, nor a matrix" );
}
__END__;
return img;
}
bool CvImage::load( const char* filename, const char* imgname, int color )
{
IplImage* img = 0;
CV_FUNCNAME( "CvImage::read" );
__BEGIN__;
if( icvIsXmlOrYaml(filename) )
{
img = icvRetrieveImage(cvLoad(filename,0,imgname));
if( (img->nChannels > 1) != (color == 0) )
CV_ERROR( CV_StsNotImplemented,
"RGB<->Grayscale conversion is not implemented for images stored in XML/YAML" );
/*{
IplImage* temp_img = 0;
CV_CALL( temp_img = cvCreateImage( cvGetSize(img), img->depth, color > 0 ? 3 : 1 ));
cvCvtColor( img, temp_img, color > 0 ? CV_GRAY2BGR : CV_BGR2GRAY );
cvReleaseImage( &img );
img = temp_img;
}*/
}
else
{
if( load_image )
img = load_image( filename, color );
else
CV_ERROR( CV_StsNotImplemented,
"Loading an image stored in such a format requires HigGUI.\n"
"Link it to your program and call any function from it\n" );
}
attach( img );
__END__;
return img != 0;
}
bool CvImage::read( CvFileStorage* fs, const char* mapname, const char* imgname )
{
void* obj = 0;
IplImage* img = 0;
if( mapname )
{
CvFileNode* mapnode = cvGetFileNodeByName( fs, 0, mapname );
if( !mapnode )
obj = cvReadByName( fs, mapnode, imgname );
}
else
obj = cvReadByName( fs, 0, imgname );
img = icvRetrieveImage(obj);
attach( img );
return img != 0;
}
bool CvImage::read( CvFileStorage* fs, const char* seqname, int idx )
{
void* obj = 0;
IplImage* img = 0;
CvFileNode* seqnode = seqname ?
cvGetFileNodeByName( fs, 0, seqname ) : cvGetRootFileNode(fs,0);
if( seqnode && CV_NODE_IS_SEQ(seqnode->tag) )
obj = cvRead( fs, (CvFileNode*)cvGetSeqElem( seqnode->data.seq, idx ));
img = icvRetrieveImage(obj);
attach( img );
return img != 0;
}
void CvImage::save( const char* filename, const char* imgname )
{
CV_FUNCNAME( "CvImage::write" );
__BEGIN__;
if( !image )
return;
if( icvIsXmlOrYaml( filename ) )
cvSave( filename, image, imgname );
else
{
if( save_image )
save_image( filename, image );
else
CV_ERROR( CV_StsNotImplemented,
"Saving an image in such a format requires HigGUI.\n"
"Link it to your program and call any function from it\n" );
}
__END__;
}
void CvImage::write( CvFileStorage* fs, const char* imgname )
{
if( image )
cvWrite( fs, imgname, image );
}
/////////////////////////////// CvMatrix implementation //////////////////////////////////
CvMatrix::CvMatrix( int rows, int cols, int type, CvMemStorage* storage, bool alloc_data )
{
if( storage )
{
matrix = (CvMat*)cvMemStorageAlloc( storage, sizeof(*matrix) );
cvInitMatHeader( matrix, rows, cols, type, alloc_data ?
cvMemStorageAlloc( storage, rows*cols*CV_ELEM_SIZE(type) ) : 0 );
}
else
matrix = 0;
}
static CvMat*
icvRetrieveMatrix( void* obj )
{
CvMat* m = 0;
CV_FUNCNAME( "icvRetrieveMatrix" );
__BEGIN__;
if( CV_IS_MAT(obj) )
m = (CvMat*)obj;
else if( CV_IS_IMAGE(obj) )
{
IplImage* img = (IplImage*)obj;
CvMat hdr, *src = cvGetMat( img, &hdr );
CV_CALL( m = cvCreateMat( src->rows, src->cols, src->type ));
CV_CALL( cvCopy( src, m ));
cvReleaseImage( &img );
}
else if( obj )
{
cvRelease( &obj );
CV_ERROR( CV_StsUnsupportedFormat, "The object is neither an image, nor a matrix" );
}
__END__;
return m;
}
bool CvMatrix::load( const char* filename, const char* matname, int color )
{
CvMat* m = 0;
CV_FUNCNAME( "CvMatrix::read" );
__BEGIN__;
if( icvIsXmlOrYaml(filename) )
{
m = icvRetrieveMatrix(cvLoad(filename,0,matname));
if( (CV_MAT_CN(m->type) > 1) != (color == 0) )
CV_ERROR( CV_StsNotImplemented,
"RGB<->Grayscale conversion is not implemented for matrices stored in XML/YAML" );
/*{
CvMat* temp_mat;
CV_CALL( temp_mat = cvCreateMat( m->rows, m->cols,
CV_MAKETYPE(CV_MAT_DEPTH(m->type), color > 0 ? 3 : 1 )));
cvCvtColor( m, temp_mat, color > 0 ? CV_GRAY2BGR : CV_BGR2GRAY );
cvReleaseMat( &m );
m = temp_mat;
}*/
}
else
{
if( load_image_m )
m = load_image_m( filename, color );
else
CV_ERROR( CV_StsNotImplemented,
"Loading an image stored in such a format requires HigGUI.\n"
"Link it to your program and call any function from it\n" );
}
set( m, false );
__END__;
return m != 0;
}
bool CvMatrix::read( CvFileStorage* fs, const char* mapname, const char* matname )
{
void* obj = 0;
CvMat* m = 0;
if( mapname )
{
CvFileNode* mapnode = cvGetFileNodeByName( fs, 0, mapname );
if( !mapnode )
obj = cvReadByName( fs, mapnode, matname );
}
else
obj = cvReadByName( fs, 0, matname );
m = icvRetrieveMatrix(obj);
set( m, false );
return m != 0;
}
bool CvMatrix::read( CvFileStorage* fs, const char* seqname, int idx )
{
void* obj = 0;
CvMat* m = 0;
CvFileNode* seqnode = seqname ?
cvGetFileNodeByName( fs, 0, seqname ) : cvGetRootFileNode(fs,0);
if( seqnode && CV_NODE_IS_SEQ(seqnode->tag) )
obj = cvRead( fs, (CvFileNode*)cvGetSeqElem( seqnode->data.seq, idx ));
m = icvRetrieveMatrix(obj);
set( m, false );
return m != 0;
}
void CvMatrix::save( const char* filename, const char* matname )
{
CV_FUNCNAME( "CvMatrix::write" );
__BEGIN__;
if( !matrix )
return;
if( icvIsXmlOrYaml( filename ) )
cvSave( filename, matrix, matname );
else
{
if( save_image )
save_image( filename, matrix );
else
CV_ERROR( CV_StsNotImplemented,
"Saving a matrixe in such a format requires HigGUI.\n"
"Link it to your program and call any function from it\n" );
}
__END__;
}
void CvMatrix::write( CvFileStorage* fs, const char* matname )
{
if( matrix )
cvWrite( fs, matname, matrix );
}
CV_IMPL int
cvSetImageIOFunctions( CvLoadImageFunc _load_image, CvLoadImageMFunc _load_image_m,
CvSaveImageFunc _save_image, CvShowImageFunc _show_image=NULL )
{
load_image = _load_image;
load_image_m = _load_image_m;
save_image = _save_image;
show_image = _show_image;
return 1;
}
/*void main(void)
{
CvImage a(cvSize(300,200),8,3), b(cvSize(300,200),8,3);
CvRNG rng = cvRNG(-1);
CV_SET_IMAGE_IO_FUNCTIONS();
cvNamedWindow( "test", 1 );
//cvZero( a );
cvZero( b );
cvRandArr( &rng, a, CV_RAND_UNI, cvScalarAll(0), cvScalarAll(100) );
cvCircle( b, cvPoint(100,100), 70, cvScalar(0,255,0), -1, CV_AA, 0 );
cvAdd( a, b, a );
a.show( "test" );
cvWaitKey();
}*/
/* End of file. */