X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ffont.h;h=6f8f35ff1db4be61fc52af060e1daade7ae73496;hb=759612fd66034135c13134ffb8199514204b9684;hp=3178a4c2717ed2f64d6d4e2c72bb413b84056a60;hpb=80aac2618536baaa99b92629be6931363c49c4de;p=libs%2Fgl.git diff --git a/source/font.h b/source/font.h index 3178a4c2..6f8f35ff 100644 --- a/source/font.h +++ b/source/font.h @@ -1,85 +1,41 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2007 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_FONT_H_ #define MSP_GL_FONT_H_ #include #include -#include -#include +#include +#include #include "vertexarray.h" namespace Msp { namespace GL { +class PrimitiveBuilder; class Texture2D; class Font { public: - class Loader: public DataFile::Loader + class Loader: public DataFile::CollectionObjectLoader { - private: - Font &font; - DataFile::Collection *coll; - public: - typedef DataFile::Collection Collection; - Loader(Font &); - Loader(Font &, DataFile::Collection &); - ~Loader(); - Font &get_object() { return font; } - DataFile::Collection &get_collection(); + Loader(Font &, Collection &); + private: void init(); - void texture(const std::string &); void glyph(unsigned); + void texture(); + void texture_ref(const std::string &); }; - Font(); - - void set_texture(const Texture2D &); - void add_glyph(unsigned, float, float, float, float, float, float, float, float, float); - float get_default_size() const { return default_size; } - float get_ascent() const { return ascent; } - float get_descent() const { return descent; } - float get_string_width(const std::string &) const; - float get_string_width(const std::string &, Codecs::Decoder &) const; - void draw_glyph(unsigned); - void draw_string(const std::string &) const; - void draw_string(const std::string &, Codecs::Decoder &) const; - void draw_multiline(const std::string &) const; - - template - float get_string_width(const std::string &str) const - { - typename C::Decoder dec; - return get_string_width(str, dec); - } - - template - void draw_string(const std::string &str) const - { - typename C::Decoder dec; - draw_string(str, dec); - } -private: struct Glyph { - class Loader: public Msp::DataFile::Loader + class Loader: public Msp::DataFile::ObjectLoader { public: Loader(Glyph &); - Glyph &get_object() { return glyph; } private: - Glyph &glyph; - void texcoords(float, float, float, float); }; @@ -89,21 +45,70 @@ private: float w,h; float off_x, off_y; float advance; - unsigned index; }; + +private: typedef std::map GlyphMap; - const Texture2D *tex; - float default_size; - float ascent; - float descent; + RefPtr texture; + float native_size; + float ascent; + float descent; GlyphMap glyphs; - VertexArray varray; - void create_glyph_vertices(); - void create_glyph_vertices(const Glyph &, VertexArrayBuilder &); - void prepare_render() const; - void draw_glyph(unsigned) const; +public: + Font(); + + void set_texture(const Texture2D &); + const Texture2D &get_texture() const; + void add_glyph(const Glyph &); + float get_native_size() const { return native_size; } + float get_ascent() const { return ascent; } + float get_descent() const { return descent; } + + float get_string_width(const std::string &, StringCodec::Decoder &) const; + + template + 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(str); } + + /// Draws a string to the framebuffer with Immediate. + void draw_string(const std::string &, StringCodec::Decoder &, const Color & = Color()) const; + + template + 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(str, color); } + + /** Builds the primitives for a string. The PrimitiveBuilder should be + associated with a target that has at least VERTEX2 and TEXCOORD2 components. + The texture is not bound, to avoid unnecessary bindings when creating + meshes. */ + void build_string(const std::string &, StringCodec::Decoder &, PrimitiveBuilder &) const; + + template + 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(str, pb); } + +private: + void create_glyph_vertices(const Glyph &, VertexBuilder &) const; float get_glyph_advance(unsigned) const; };