--- /dev/null
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+// By downloading, copying, installing or using the software you agree to this license.
+// 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.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// 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
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//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 = 0;
+
+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;
+
+ if( CV_IS_IMAGE(obj) )
+ img = (IplImage*)obj;
+ else if( CV_IS_MAT(obj) )
+ {
+ CvMat* m = (CvMat*)obj;
+ 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" );
+ }
+
+ return img;
+}
+
+
+bool CvImage::load( const char* filename, const char* imgname, int color )
+{
+ IplImage* img = 0;
+
+ 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;
+ 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 );
+ 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, const int* params )
+{
+ if( !image )
+ return;
+ if( icvIsXmlOrYaml( filename ) )
+ cvSave( filename, image, imgname );
+ else
+ {
+ if( save_image )
+ save_image( filename, image, params );
+ 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" );
+ }
+}
+
+
+void CvImage::write( CvFileStorage* fs, const char* imgname )
+{
+ if( image )
+ cvWrite( fs, imgname, image );
+}
+
+
+void CvImage::show( const char* window_name )
+{
+ if( image )
+ {
+ if( !show_image )
+ CV_Error( CV_StsNotImplemented,
+ "CvImage::show method requires HighGUI.\n"
+ "Link it to your program and call any function from it\n" );
+ show_image( window_name, 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;
+
+ if( CV_IS_MAT(obj) )
+ m = (CvMat*)obj;
+ else if( CV_IS_IMAGE(obj) )
+ {
+ IplImage* img = (IplImage*)obj;
+ CvMat hdr, *src = cvGetMat( img, &hdr );
+ m = cvCreateMat( src->rows, src->cols, src->type );
+ cvCopy( src, m );
+ cvReleaseImage( &img );
+ }
+ else if( obj )
+ {
+ cvRelease( &obj );
+ CV_Error( CV_StsUnsupportedFormat, "The object is neither an image, nor a matrix" );
+ }
+
+ return m;
+}
+
+
+bool CvMatrix::load( const char* filename, const char* matname, int color )
+{
+ CvMat* m = 0;
+ 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;
+ 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 );
+ 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, const int* params )
+{
+ if( !matrix )
+ return;
+ if( icvIsXmlOrYaml( filename ) )
+ cvSave( filename, matrix, matname );
+ else
+ {
+ if( save_image )
+ save_image( filename, matrix, params );
+ 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" );
+ }
+}
+
+
+void CvMatrix::write( CvFileStorage* fs, const char* matname )
+{
+ if( matrix )
+ cvWrite( fs, matname, matrix );
+}
+
+
+void CvMatrix::show( const char* window_name )
+{
+ if( matrix )
+ {
+ if( !show_image )
+ CV_Error( CV_StsNotImplemented,
+ "CvMatrix::show method requires HighGUI.\n"
+ "Link it to your program and call any function from it\n" );
+ show_image( window_name, matrix );
+ }
+}
+
+
+CV_IMPL int
+cvSetImageIOFunctions( CvLoadImageFunc _load_image, CvLoadImageMFunc _load_image_m,
+ CvSaveImageFunc _save_image, CvShowImageFunc _show_image )
+{
+ load_image = _load_image;
+ load_image_m = _load_image_m;
+ save_image = _save_image;
+ show_image = _show_image;
+ return 1;
+}
+
+/* End of file. */
+
projects / opencv / blobdiff