X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=src%2Fcxcore%2Fcximage.cpp;fp=src%2Fcxcore%2Fcximage.cpp;h=e16c941f7bac1fcb1d7408891bcfd6446540d78d;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hp=0000000000000000000000000000000000000000;hpb=454138ff8a20f6edb9b65a910101403d8b520643;p=opencv diff --git a/src/cxcore/cximage.cpp b/src/cxcore/cximage.cpp new file mode 100644 index 0000000..e16c941 --- /dev/null +++ b/src/cxcore/cximage.cpp @@ -0,0 +1,365 @@ +/*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. */ +