source/resources.cpp

   1 #include <msp/fs/utils.h>
   2 #include "resources.h"
   3
   4 using namespace std;
   5
   6 namespace Msp {
   7 namespace GLtk {
   8
   9 Resources::Resources()
  10 {
  11         init();
  12 }
  13
  14 Resources::Resources(const FS::Path &fn)
  15 {
  16         init();
  17
  18         dir_src = new DataFile::DirectorySource;
  19         dir_src->add_directory(FS::dirname(fn));
  20         add_source(*dir_src);
  21
  22         DataFile::load(*this, fn.str());
  23 }
  24
  25 void Resources::init()
  26 {
  27         default_font = 0;
  28         dir_src = 0;
  29         add_type<Graphic>().keyword("graphic");
  30         add_type<GL::Texture2D>().keyword("texture").creator(&Resources::create_texture);
  31         add_type<GL::Font>().keyword("font");
  32         add_type<Style>().keyword("style");
  33 }
  34
  35 Resources::~Resources()
  36 {
  37         delete dir_src;
  38 }
  39
  40 const GL::Font &Resources::get_default_font() const
  41 {
  42         if(!default_font)
  43                 throw logic_error("!default_font");
  44
  45         return *default_font;
  46 }
  47
  48 GL::Texture2D *Resources::create_texture(const string &name)
  49 {
  50         string ext = FS::extpart(name);
  51         if(ext==".png" || ext==".jpg")
  52         {
  53                 IO::Seekable *io = open_from_sources(name);
  54                 Graphics::Image image;
  55                 image.load_io(*io);
  56                 GL::Texture2D *tex = new GL::Texture2D;
  57                 tex->set_min_filter(GL::LINEAR);
  58                 tex->image(image);
  59                 return tex;
  60         }
  61         else
  62                 return 0;
  63 }
  64
  65
  66 Resources::Loader::Loader(Resources &r):
  67         Collection::Loader(r),
  68         res(r)
  69 {
  70         add("default_font", &Loader::default_font);
  71         add("font", &Loader::font);
  72 }
  73
  74 void Resources::Loader::default_font(const string &name)
  75 {
  76         res.default_font = &res.get<GL::Font>(name);
  77 }
  78
  79 void Resources::Loader::font(const string &name)
  80 {
  81         RefPtr<GL::Font> fnt = new GL::Font;
  82         load_sub(*fnt, res);
  83         res.add(name, fnt.get());
  84         if(!res.default_font)
  85                 res.default_font = fnt.get();
  86         fnt.release();
  87 }
  88
  89 } // namespace GLtk
  90 } // namespace Msp