- const GL::Font *const font=style->get_font();
- const float font_size=font->get_default_size();
-
- Geometry rgeom;
- rgeom.w=static_cast<unsigned>(font->get_string_width(text)*font_size);
- rgeom.h=static_cast<unsigned>((font->get_ascent()-font->get_descent())*font_size);
- rgeom.y=static_cast<int>(-font->get_descent()*font_size);
- part.get_alignment().apply(rgeom, geom, part.get_margin());
-
- GL::push_matrix();
- GL::translate(rgeom.x, rgeom.y, 0);
- GL::scale_uniform(font_size);
-
- const GL::Color &color=style->get_font_color();
- GL::Immediate imm((GL::COLOR4_UBYTE, GL::TEXCOORD2, GL::VERTEX2));
- imm.color(color.r, color.g, color.b);
- font->draw_string(text, imm);
+ if(!style)
+ throw logic_error(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name));