+ float get_ascent() const { return ascent; }
+ float get_descent() const { return descent; }
+
+ /** Returns the width of a string, in multiples of the font size. Scale the
+ result according to the size used in rendering. */
+ float get_string_width(const std::string &, StringCodec::Decoder &) const;
+
+ template<class C>
+ float get_string_width(const std::string &str) const
+ {
+ typename C::Decoder dec;
+ return get_string_width(str, dec);
+ }
+
+ float get_string_width(const std::string &str) const
+ { return get_string_width<StringCodec::Utf8>(str); }
+
+ /** Draws a string to the framebuffer with Immediate. It is drawn with size
+ 1.0; set up matrices for the desired size before the call. */
+ void draw_string(const std::string &, StringCodec::Decoder &, const Color & = Color()) const;
+
+ template<class C>
+ void draw_string(const std::string &str, const Color &color = Color()) const
+ {
+ typename C::Decoder dec;
+ draw_string(str, dec, color);
+ }
+
+ void draw_string(const std::string &str, const Color &color = Color()) const
+ { draw_string<StringCodec::Utf8>(str, color); }
+
+ /** Builds the primitives for a string. Two-dimensional vertex and texture
+ coordinates are generated. Size 1.0 is used for building; set up the
+ builder's matrix before the call. The texture is not bound, to avoid
+ unnecessary bindings when creating meshes. */
+ void build_string(const std::string &, StringCodec::Decoder &, PrimitiveBuilder &) const;
+
+ template<class C>
+ void build_string(const std::string &str, PrimitiveBuilder &pb) const
+ {
+ typename C::Decoder dec;
+ build_string(str, dec, pb);
+ }
+
+ void build_string(const std::string &str, PrimitiveBuilder &pb) const
+ { return build_string<StringCodec::Utf8>(str, pb); }
+
+private:
+ void create_glyph_quad(const Glyph &, PrimitiveBuilder &) const;
+ float get_glyph_advance(unsigned, unsigned = 0) const;