X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FDriverSTL%2FDriverSTL_R_SMDS_Mesh.cxx;h=ca6f393b1cb41e8c26172e67f58d908d06d00e07;hb=b79f3c0765077420af47201c7f12b5654a6c04ed;hp=4a02cb29f8d1446d8a45ce33c6bbaf4387b04f3d;hpb=7a65c9fad427b1ccba6b9ccae612296e5092a324;p=modules%2Fsmesh.git diff --git a/src/DriverSTL/DriverSTL_R_SMDS_Mesh.cxx b/src/DriverSTL/DriverSTL_R_SMDS_Mesh.cxx index 4a02cb29f..ca6f393b1 100644 --- a/src/DriverSTL/DriverSTL_R_SMDS_Mesh.cxx +++ b/src/DriverSTL/DriverSTL_R_SMDS_Mesh.cxx @@ -1,4 +1,4 @@ -// Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE +// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE // // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS @@ -69,7 +69,7 @@ namespace }; typedef NCollection_DataMap TDataMapOfPntNodePtr; - const int HEADER_SIZE = 84; + const int HEADER_SIZE = 84; // 80 chars + int const int SIZEOF_STL_FACET = 50; const int ASCII_LINES_PER_FACET = 7; const int SIZE_OF_FLOAT = 4; @@ -142,6 +142,9 @@ Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::Perform() else aResult = readBinary( file ); + myMesh->Modified(); + myMesh->CompactMesh(); + return aResult; } @@ -150,11 +153,12 @@ Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::Perform() static Standard_Real readFloat(SMESH_File& theFile) { union { - Standard_Boolean i; - Standard_ShortReal f; + int i; + float f; } u; const char* c = theFile; + u.i = 0; u.i = c[0] & 0xFF; u.i |= (c[1] & 0xFF) << 0x08; u.i |= (c[2] & 0xFF) << 0x10; @@ -205,30 +209,53 @@ static SMDS_MeshNode* readNode(SMESH_File& theFile, //======================================================================= //function : readAscii -//purpose : +//purpose : //======================================================================= Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readAscii(SMESH_File& theFile) const { Status aResult = DRS_OK; + // get a solid name + if ( strncmp( "solid ", theFile, strlen("solid ")) == 0 ) // not empty + { + const char * header = theFile; + std::string& name = const_cast( myName ); + for ( header += strlen("solid "); !iscntrl( *header ); ++header ) + name.push_back( *header ); + + std::string::iterator i = name.begin(); + while ( i != name.end() && isspace( *i )) ++i; + name.erase( name.begin(), i ); + + size_t n = name.size(); + while ( n > 0 && isspace( name[ n - 1 ] )) --n; + name.resize( n ); + } + // get the file size long filesize = theFile.size(); theFile.close(); - // Open the file - FILE* file = fopen( myFile.c_str(),"r"); + // Open the file +#if defined(WIN32) && defined(UNICODE) + std::wstring aFile = Kernel_Utils::utf8_decode_s(myFile); + FILE* file = _wfopen( aFile.c_str(), L"r"); +#else + FILE* file = fopen(myFile.c_str(), "r"); +#endif // count the number of lines Standard_Integer nbLines = 0; - for (long ipos = 0; ipos < filesize; ++ipos) { + for (long ipos = 0; ipos < filesize; ++ipos) + { if (getc(file) == '\n') nbLines++; } // go back to the beginning of the file rewind(file); - + Standard_Integer nbTri = (nbLines / ASCII_LINES_PER_FACET); TDataMapOfPntNodePtr uniqnodes; @@ -236,8 +263,8 @@ Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readAscii(SMESH_File& theFile) const while (getc(file) != '\n'); // main reading - for (Standard_Integer iTri = 0; iTri < nbTri; ++iTri) { - + for (Standard_Integer iTri = 0; iTri < nbTri; ++iTri) + { // skipping the facet normal Standard_ShortReal normal[3]; fscanf(file,"%*s %*s %f %f %f\n",&normal[0],&normal[1],&normal[2]); @@ -278,7 +305,7 @@ Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readBinary(SMESH_File& file) const long filesize = file.size(); - if ( (filesize - HEADER_SIZE) % SIZEOF_STL_FACET !=0 + if ( (filesize - HEADER_SIZE) % SIZEOF_STL_FACET != 0 // Commented to allow reading small files (ex: 1 face) /*|| (filesize < STL_MIN_FILE_SIZE)*/) { Standard_NoMoreObject::Raise("DriverSTL_R_SMDS_MESH::readBinary (wrong file size)"); @@ -288,6 +315,19 @@ Driver_Mesh::Status DriverSTL_R_SMDS_Mesh::readBinary(SMESH_File& file) const // sometimes it is wrong, and with this technique we don't need to swap endians for integer Standard_Integer nbTri = ((filesize - HEADER_SIZE) / SIZEOF_STL_FACET); + // get a solid name + if ( strncmp( "name: ", file, strlen("name: ")) == 0 ) // name present + { + const char * header = file; + std::string& name = const_cast( myName ); + header += strlen("name: "); + name.assign( header, HEADER_SIZE - strlen("name: ") - 4); + + size_t n = name.size(); + while ( n > 0 && isspace( name[ n - 1 ] )) --n; + name.resize( n ); + } + // skip the header file += HEADER_SIZE;