Function fromAnySupportedFormat

source/MRMesh/MRMeshLoad.cpp:831–859

}

Expected<Mesh> fromAnySupportedFormat( const std::filesystem::path& file, const MeshLoadSettings& settings /*= {}*/ )
{
    auto ext = utf8string( file.extension() );
    for ( auto & c : ext )
        c = (char)tolower( c );
    ext = "*" + ext;

    auto loader = getMeshLoader( ext );
    if ( !loader.fileLoad )
    {
        if ( loader.streamLoad )
        {
            std::ifstream in( file, std::ifstream::binary );
            if ( !in )
                return unexpected( std::string( "Cannot open file for reading " ) + utf8string( file ) );
            return addFileNameInError( loader.streamLoad( in, settings ), file );
        }
        // the error string must start with stringUnsupportedFileExtension()
        std::string err = fmt::format( "{} {} for mesh loading.", stringUnsupportedFileExtension(), ext );
        if ( SceneLoad::getSceneLoader( ext ) )
            return unexpected( err + "\nPlease open this format using scene loading function." );
        return unexpected( err );
    }

    auto res = loader.fileLoad( file, settings );
    if ( res )
        telemetryOpenMesh( ext, *res, settings );
    return res;
}

Expected<Mesh> fromAnySupportedFormat( std::istream& in, const std::string& extension, const MeshLoadSettings& settings /*= {}*/ )
{