-#include <GL/gl.h>
+/* $Id$
+
+This file is part of libmspgl
+Copyright © 2007 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
+#include "gl.h"
#include "font.h"
+#include "immediate.h"
+#include "primitivetype.h"
#include "texture2d.h"
using namespace std;
own_tex(false),
default_size(1),
ascent(1),
- descent(0),
- varray((TEXCOORD2, VERTEX2))
+ descent(0)
{ }
+Font::~Font()
+{
+ if(own_tex)
+ delete tex;
+}
+
void Font::set_texture(const Texture2D &t)
{
+ if(own_tex)
+ delete tex;
+
tex=&t;
+ own_tex=false;
+}
+
+const Texture2D &Font::get_texture() const
+{
+ if(!tex)
+ throw InvalidState("No texture");
+ return *tex;
}
-void Font::add_glyph(wchar_t code, float x1, float y1, float x2, float y2, float w, float h, float ox, float oy, float adv)
+void Font::add_glyph(unsigned code, float x1, float y1, float x2, float y2, float w, float h, float ox, float oy, float adv)
{
Glyph glyph;
glyph.code=code;
glyph.off_x=ox;
glyph.off_y=oy;
glyph.advance=adv;
- glyph.index=glyphs.size();
glyphs.insert(GlyphMap::value_type(code, glyph));
-
- RefPtr<VertexArrayBuilder> va_builder=varray.modify();
- create_glyph_vertices(glyph, *va_builder);
}
-float Font::get_string_width(const string &str) const
+float Font::get_string_width(const string &str, Codecs::Decoder &dec) const
{
float x=0;
- for(string::const_iterator i=str.begin(); i!=str.end(); ++i)
- x+=get_glyph_advance(static_cast<unsigned char>(*i));
+ for(string::const_iterator i=str.begin(); i!=str.end();)
+ x+=get_glyph_advance(dec.decode_char(str, i));
return x;
}
-float Font::get_string_width(const wstring &str) const
+void Font::draw_string(const string &str, Codecs::Decoder &dec) const
{
- float x=0;
-
- for(wstring::const_iterator i=str.begin(); i!=str.end(); ++i)
- x+=get_glyph_advance(*i);
-
- return x;
+ Immediate imm((TEXCOORD2, VERTEX2));
+ draw_string(str, dec, imm);
}
-void Font::draw_string(const string &str) const
+void Font::draw_string(const string &str, Codecs::Decoder &dec, PrimitiveBuilder &pbuilder) const
{
- prepare_render();
-
- for(string::const_iterator i=str.begin(); i!=str.end(); ++i)
- draw_glyph(static_cast<unsigned char>(*i));
+ if(!tex)
+ throw InvalidState("No texture");
- glPopMatrix();
-}
+ tex->bind();
-void Font::draw_string(const wstring &str) const
-{
- prepare_render();
+ float x=0;
+ unsigned count=0;
- for(wstring::const_iterator i=str.begin(); i!=str.end(); ++i)
- draw_glyph(*i);
+ pbuilder.begin(QUADS);
+ for(string::const_iterator i=str.begin(); i!=str.end();)
+ {
+ GlyphMap::const_iterator j=glyphs.find(dec.decode_char(str, i));
+ if(j==glyphs.end())
+ continue;
- glPopMatrix();
+ create_glyph_vertices(j->second, pbuilder, x);
+ x+=j->second.advance;
+ count+=4;
+ }
+ pbuilder.end();
}
-Font::~Font()
+void Font::create_glyph_vertices(const Glyph &glyph, VertexBuilder &vbuilder, float x) const
{
- if(own_tex)
- delete tex;
+ vbuilder.texcoord(glyph.x1, glyph.y1);
+ vbuilder.vertex(x+glyph.off_x, glyph.off_y);
+ vbuilder.texcoord(glyph.x2, glyph.y1);
+ vbuilder.vertex(x+glyph.off_x+glyph.w, glyph.off_y);
+ vbuilder.texcoord(glyph.x2, glyph.y2);
+ vbuilder.vertex(x+glyph.off_x+glyph.w, glyph.off_y+glyph.h);
+ vbuilder.texcoord(glyph.x1, glyph.y2);
+ vbuilder.vertex(x+glyph.off_x, glyph.off_y+glyph.h);
}
-void Font::create_glyph_vertices()
+float Font::get_glyph_advance(unsigned code) const
{
- varray.clear();
- RefPtr<VertexArrayBuilder> va_builder=varray.modify();
+ GlyphMap::const_iterator i=glyphs.find(code);
+ if(i==glyphs.end())
+ return 0;
- unsigned n=0;
- for(GlyphMap::iterator i=glyphs.begin(); i!=glyphs.end(); ++i, ++n)
- {
- i->second.index=n;
- create_glyph_vertices(i->second, *va_builder);
- }
+ return i->second.advance;
}
-void Font::create_glyph_vertices(const Glyph &glyph, VertexArrayBuilder &va_builder)
-{
- va_builder.texcoord(glyph.x1, glyph.y1);
- va_builder.vertex(glyph.off_x, glyph.off_y);
- va_builder.texcoord(glyph.x2, glyph.y1);
- va_builder.vertex(glyph.off_x+glyph.w, glyph.off_y);
- va_builder.texcoord(glyph.x2, glyph.y2);
- va_builder.vertex(glyph.off_x+glyph.w, glyph.off_y+glyph.h);
- va_builder.texcoord(glyph.x1, glyph.y2);
- va_builder.vertex(glyph.off_x, glyph.off_y+glyph.h);
-}
-void Font::prepare_render() const
+Font::Loader::Loader(Font &f):
+ font(f),
+ coll(0)
{
- tex->bind();
- varray.apply();
- glPushMatrix();
+ init();
}
-void Font::draw_glyph(wchar_t code) const
+Font::Loader::Loader(Font &f, Collection &c):
+ font(f),
+ coll(&c)
{
- GlyphMap::const_iterator i=glyphs.find(code);
- if(i==glyphs.end())
- return;
-
- glDrawArrays(GL_QUADS, i->second.index*4, 4);
-
- glTranslatef(i->second.advance, 0, 0);
+ init();
}
-float Font::get_glyph_advance(wchar_t code) const
+DataFile::Collection &Font::Loader::get_collection()
{
- GlyphMap::const_iterator i=glyphs.find(code);
- if(i==glyphs.end())
- return 0;
-
- return i->second.advance;
+ if(!coll)
+ throw InvalidState("No collection");
+ return *coll;
}
-
-Font::Loader::Loader(Font &f):
- font(f)
+void Font::Loader::init()
{
add("default_size", &Font::default_size);
add("ascent", &Font::ascent);
add("descent", &Font::descent);
- add("texture", &Loader::texture);
+ add("texture", &Font::tex);
+ add("texture_inline", &Loader::texture_inline);
add("glyph", &Loader::glyph);
}
-Font::Loader::~Loader()
-{
- font.create_glyph_vertices();
-}
-
-void Font::Loader::texture(const string &t)
-{
- Texture2D *tex=new Texture2D;
- tex->parameter(GL_GENERATE_MIPMAP, 1);
- font.tex=tex;
- tex->image(t);
- font.own_tex=true;
-}
-
void Font::Loader::glyph(unsigned c)
{
Glyph gl;
font.glyphs.insert(GlyphMap::value_type(c, gl));
}
+void Font::Loader::texture_inline()
+{
+ RefPtr<Texture2D> tex=new Texture2D;
+ load_sub(*tex);
+ font.tex=tex.release();
+ font.own_tex=true;
+}
+
Font::Glyph::Loader::Loader(Glyph &g):
glyph(g)
{
add("texcoords", &Loader::texcoords);
- add("size", &Loader::size);
- add("offset", &Loader::offset);
+ add("size", &Glyph::w, &Glyph::h);
+ add("offset", &Glyph::off_x, &Glyph::off_y);
add("advance", &Glyph::advance);
}
glyph.y2=y2;
}
-void Font::Glyph::Loader::size(float w, float h)
-{
- glyph.w=w;
- glyph.h=h;
-}
-
-void Font::Glyph::Loader::offset(float x, float y)
-{
- glyph.off_x=x;
- glyph.off_y=y;
-}
-
} // namespace GL
} // namespace Msp
projects / libs / gl.git / blobdiff