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                 if(IO::Seekable *io = open_from_sources(name))
  53                 {
  54                         Graphics::Image image;
  55                         image.load_io(*io);
  56                         delete io;
  57
  58                         GL::Texture2D *tex = new GL::Texture2D;
  59                         tex->set_min_filter(GL::LINEAR);
  60                         tex->image(image);
  61                         return tex;
  62                 }
  63
  64         return 0;
  65 }
  66
  67
  68 Resources::Loader::Loader(Resources &r):
  69         Collection::Loader(r),
  70         res(r)
  71 {
  72         add("default_font", &Loader::default_font);
  73         add("font", &Loader::font);
  74 }
  75
  76 void Resources::Loader::default_font(const string &name)
  77 {
  78         res.default_font = &res.get<GL::Font>(name);
  79 }
  80
  81 void Resources::Loader::font(const string &name)
  82 {
  83         RefPtr<GL::Font> fnt = new GL::Font;
  84         load_sub(*fnt, res);
  85         res.add(name, fnt.get());
  86         if(!res.default_font)
  87                 res.default_font = fnt.get();
  88         fnt.release();
  89 }
  90
  91 } // namespace GLtk
  92 } // namespace Msp