+++ /dev/null
-#include <msp/core/maputils.h>
-#include <msp/datafile/collection.h>
-#include "bindable.h"
-#include "gl.h"
-#include "font.h"
-#include "immediate.h"
-#include "primitivetype.h"
-#include "texture2d.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Font::Font():
- native_size(1),
- ascent(1),
- descent(0)
-{ }
-
-// Avoid synthesizing ~RefPtr in files including font.h
-Font::~Font()
-{ }
-
-void Font::set_texture(const Texture2D &t)
-{
- texture = &t;
- texture.keep();
-}
-
-const Texture2D &Font::get_texture() const
-{
- if(!texture)
- throw logic_error("No texture");
- return *texture;
-}
-
-void Font::add_glyph(const Glyph &g)
-{
- insert_unique(glyphs, g.code, g);
-}
-
-void Font::set_kerning(unsigned l, unsigned r, float d)
-{
- kerning[KerningKey(l, r)] = d;
-}
-
-float Font::get_string_width(const string &str, StringCodec::Decoder &dec) const
-{
- float x = 0;
-
- unsigned prev = 0;
- for(string::const_iterator i=str.begin(); i!=str.end();)
- {
- unsigned c = dec.decode_char(str, i);
- if(prev)
- x += get_glyph_advance(prev, c);
- prev = c;
- }
- x += get_glyph_advance(prev);
-
- return x;
-}
-
-void Font::draw_string(const string &str, StringCodec::Decoder &dec, const Color &color) const
-{
- BindRestore bind_tex(get_texture());
- Immediate imm((TEXCOORD2, COLOR4_UBYTE, VERTEX2));
- imm.color(color);
- build_string(str, dec, imm);
-}
-
-void Font::build_string(const string &str, StringCodec::Decoder &dec, PrimitiveBuilder &bld) const
-{
- MatrixStack::Push push_mtx(bld.matrix());
-
- unsigned prev = 0;
- for(string::const_iterator i=str.begin(); i!=str.end();)
- {
- unsigned c = dec.decode_char(str, i);
- GlyphMap::const_iterator j = glyphs.find(c);
- if(j==glyphs.end())
- continue;
-
- if(prev)
- bld.matrix() *= Matrix::translation(get_glyph_advance(prev, c), 0, 0);
-
- create_glyph_quad(j->second, bld);
- prev = c;
- }
-}
-
-void Font::create_glyph_quad(const Glyph &glyph, PrimitiveBuilder &bld) const
-{
- bld.begin(TRIANGLE_STRIP);
- bld.texcoord(glyph.x1, glyph.y2);
- bld.vertex(glyph.off_x, glyph.off_y+glyph.h);
- bld.texcoord(glyph.x1, glyph.y1);
- bld.vertex(glyph.off_x, glyph.off_y);
- bld.texcoord(glyph.x2, glyph.y2);
- bld.vertex(glyph.off_x+glyph.w, glyph.off_y+glyph.h);
- bld.texcoord(glyph.x2, glyph.y1);
- bld.vertex(glyph.off_x+glyph.w, glyph.off_y);
- bld.end();
-}
-
-float Font::get_glyph_advance(unsigned code, unsigned next) const
-{
- GlyphMap::const_iterator i = glyphs.find(code);
- if(i==glyphs.end())
- return 0;
-
- float advance = i->second.advance;
-
- if(next)
- {
- KerningMap::const_iterator j = kerning.find(KerningKey(code, next));
- if(j!=kerning.end())
- advance += j->second;
- }
-
- return advance;
-}
-
-
-Font::Loader::Loader(Font &f):
- DataFile::CollectionObjectLoader<Font>(f, 0)
-{
- init();
-}
-
-Font::Loader::Loader(Font &f, Collection &c):
- DataFile::CollectionObjectLoader<Font>(f, &c)
-{
- init();
-}
-
-void Font::Loader::init()
-{
- add("native_size", &Font::native_size);
- add("ascent", &Font::ascent);
- add("descent", &Font::descent);
- add("texture", &Loader::texture);
- add("texture", &Loader::texture_ref);
- add("glyph", &Loader::glyph);
- add("kerning", &Loader::kerning);
-}
-
-void Font::Loader::glyph(unsigned c)
-{
- Glyph gl;
- gl.code = c;
- load_sub(gl);
- obj.glyphs.insert(GlyphMap::value_type(c, gl));
-}
-
-void Font::Loader::kerning(unsigned l, unsigned r, float d)
-{
- obj.kerning[KerningKey(l, r)] = d;
-}
-
-void Font::Loader::texture()
-{
- RefPtr<Texture2D> tex = new Texture2D;
- load_sub(*tex);
- obj.texture = tex;
-}
-
-void Font::Loader::texture_ref(const string &name)
-{
- obj.texture = &get_collection().get<Texture2D>(name);
- obj.texture.keep();
-}
-
-
-Font::Glyph::Loader::Loader(Glyph &g):
- DataFile::ObjectLoader<Glyph>(g)
-{
- add("texcoords", &Loader::texcoords);
- add("size", &Glyph::w, &Glyph::h);
- add("offset", &Glyph::off_x, &Glyph::off_y);
- add("advance", &Glyph::advance);
-}
-
-void Font::Glyph::Loader::texcoords(float x1_, float y1_, float x2_, float y2_)
-{
- obj.x1 = x1_;
- obj.y1 = y1_;
- obj.x2 = x2_;
- obj.y2 = y2_;
-}
-
-} // namespace GL
-} // namespace Msp