void sfml2_renderer::draw(const rect& box, const color& fill)
{
set_primitive_type(sf::Triangles);
disable_texture();
auto color = col(fill);
add_vertex(box.top_left(), color);
add_vertex(box.bottom_right(), color);
add_vertex(box.top_right(), color);
add_vertex(box.top_left(), color);
add_vertex(box.bottom_right(), color);
add_vertex(box.bottom_left(), color);
}
void sfml2_renderer::draw(const rect& box, const texture& fill)
{
auto& sftext = dynamic_cast<const sfml2_texture&>(*fill);
set_primitive_type(sf::Triangles);
set_texture(sftext.sf_texture());
add_vertex(box.top_left(), sf::Vector2f{0, 0});
add_vertex(box.top_right(), sf::Vector2f{1, 0});
add_vertex(box.bottom_right(), sf::Vector2f{1, 1});
add_vertex(box.top_left(), sf::Vector2f{0, 0});
add_vertex(box.bottom_right(), sf::Vector2f{1, 1});
add_vertex(box.bottom_left(), sf::Vector2f{0, 1});
}