libcore/fontlib.cpp

   1
   2
   3 // This source code has been donated to the Public Domain.  Do
   4 // whatever you want with it.
   5
   6 // A module to take care of all of gnash's loaded fonts.
   7
   8 #ifdef HAVE_CONFIG_H
   9 #include "gnashconfig.h" // HAVE_ZLIB_H, USE_SWFTREE
  10 #endif
  11
  12 #include "Font.h"
  13 #include "log.h"
  14 #include "DefineShapeTag.h"
  15 #include "LineStyle.h"
  16 #include "movie_definition.h"
  17
  18 // Define to the name of a default font.
  19 #define DEFAULT_FONT_NAME "_sans"
  20
  21 namespace gnash {
  22 namespace fontlib {
  23
  24 namespace {
  25         std::vector< boost::intrusive_ptr<Font> >       s_fonts;
  26         boost::intrusive_ptr<Font> _defaultFont;
  27 }
  28
  29
  30         //
  31         // Public interface
  32         //
  33
  34
  35 void
  36 clear()
  37 {
  38     s_fonts.clear();
  39 }
  40
  41 boost::intrusive_ptr<Font>
  42 get_default_font()
  43 {
  44         if ( _defaultFont ) return _defaultFont;
  45         _defaultFont = new Font(DEFAULT_FONT_NAME);
  46         return _defaultFont;
  47 }
  48
  49 Font*
  50 get_font(const std::string& name, bool bold, bool italic)
  51 {
  52     // Dumb linear search.
  53     for (auto& font : s_fonts)
  54     {
  55         assert(font);
  56         if ( font->matches(name, bold, italic) )
  57         {
  58             return font.get();
  59         }
  60     }
  61     Font* f = new Font(name, bold, italic);
  62     s_fonts.push_back(f);
  63     return f;
  64 }
  65
  66 void
  67 add_font(Font* f)
  68 {
  69     assert(f);
  70 #ifndef NDEBUG
  71     // Make sure font isn't already in the list.
  72     for (auto& font : s_fonts)
  73     {
  74         assert(font != f);
  75     }
  76 #endif // not NDEBUG
  77
  78     s_fonts.push_back(f);
  79 }
  80
  81
  82
  83 }       // end namespace fontlib
  84 }       // end namespace gnash
  85
  86
  87 // Local Variables:
  88 // mode: C++
  89 // c-basic-offset: 8
  90 // tab-width: 8
  91 // indent-tabs-mode: t
  92 // End: