Make ~Program virtual

[libs/gl.git] / source / font.h

diff --git a/source/font.h b/source/font.h
index a4600fc2558652950dc8088fa146086f592765bf..278a14aa82ab53fd3cd2c57172f3dbbb3d33fe7a 100644 (file)
--- a/source/font.h
+++ b/source/font.h
@@ -3,7 +3,9 @@
 
 #include <map>
 #include <string>
-#include <msp/parser/loader.h>
+#include <msp/datafile/loader.h>
+#include <msp/strings/codec.h>
+#include "vertexarray.h"
 
 namespace Msp {
 namespace GL {
@@ -13,10 +15,12 @@ class Texture2D;
 class Font
 {
 public:
-       class Loader: public Msp::Parser::Loader
+       class Loader: public Msp::DataFile::Loader
        {
        public:
                Loader(Font &);
+               ~Loader();
+               Font &get_object() { return font; }
        private:
                Font &font;
 
@@ -25,17 +29,37 @@ public:
        };
 
        Font();
+       ~Font();
+
        void  set_texture(const Texture2D &);
-       void  add_glyph(wchar_t, float, float, float, float, float, float, float, float);
+       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;
-       void  draw_glyph(wchar_t);
+       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;
-       ~Font();
+       
+       template<class C>
+       float get_string_width(const std::string &str) const
+       {
+               typename C::Decoder dec;
+               return get_string_width(str, dec);
+       }       
+       
+       template<class C>
+       void draw_string(const std::string &str) const
+       {
+               typename C::Decoder dec;
+               draw_string(str, dec);
+       }       
 private:
        struct Glyph
        {
-               class Loader: public Msp::Parser::Loader
+               class Loader: public Msp::DataFile::Loader
                {
                public:
                        Loader(Glyph &);
@@ -45,23 +69,32 @@ private:
 
                        void texcoords(float, float, float, float);
                        void size(float, float);
+                       void offset(float, float);
                };
 
-               wchar_t code;
+               unsigned code;
                float x1,y1;
                float x2,y2;
                float w,h;
-               float descent;
+               float off_x, off_y;
                float advance;
+               unsigned index;
        };
-       typedef std::map<wchar_t, Glyph> GlyphMap;
+       typedef std::map<unsigned, Glyph> GlyphMap;
 
        const Texture2D *tex;
        bool     own_tex;
+       float    default_size;
+       float    ascent;
+       float    descent;
        GlyphMap glyphs;
+       VertexArray varray;
 
-       void prepare(float *) const;
-       void draw_glyph(wchar_t, float *, float &) const;
+       void create_glyph_vertices();
+       void create_glyph_vertices(const Glyph &, VertexArrayBuilder &);
+       void prepare_render() const;
+       void draw_glyph(unsigned) const;
+       float get_glyph_advance(unsigned) const;
 };
 
 } // namespace GL