C++ (Cpp) type_from_filename Exemples

Exemple #1

Fichier : image_reader.cpp Projet : Blaxxun/mapnik

image_reader* get_image_reader(std::string const& filename)
{
    boost::optional<std::string> type = type_from_filename(filename);
    if (type)
    {
        return ImageReaderFactory::instance().create_object(*type,filename);
    }
    return 0;
}

Exemple #2

Fichier : image_reader.cpp Projet : artemp/mapnik

image_reader* get_image_reader(std::string const& filename)
{
    boost::optional<std::string> type = type_from_filename(filename);
    if (type)
    {
        return factory<image_reader,std::string,std::string const&>::instance().create_object(*type,filename);
    }
    else
    {
        throw image_reader_exception("image_reader: can't determine type from input data");
    }
}