src/Canvas/FGCanvasSystemAdapter.cxx

   1 #include "FGCanvasSystemAdapter.hxx"
   2
   3 #include <Main/globals.hxx>
   4 #include <Viewer/renderer.hxx>
   5
   6 #include <osgDB/ReadFile>
   7
   8 namespace canvas
   9 {
  10   //----------------------------------------------------------------------------
  11   simgear::canvas::FontPtr
  12   FGCanvasSystemAdapter::getFont(const std::string& name) const
  13   {
  14     SGPath path = globals->resolve_resource_path("Fonts/" + name);
  15     if( path.isNull() )
  16     {
  17       SG_LOG
  18       (
  19         SG_GL,
  20         SG_ALERT,
  21         "canvas::Text: No such font: " << name
  22       );
  23       return simgear::canvas::FontPtr();
  24     }
  25
  26     SG_LOG
  27     (
  28       SG_GL,
  29       SG_INFO,
  30       "canvas::Text: using font file " << path.str()
  31     );
  32
  33     simgear::canvas::FontPtr font = osgText::readFontFile(path.c_str());
  34     if( !font )
  35       SG_LOG
  36       (
  37         SG_GL,
  38         SG_ALERT,
  39         "canvas::Text: Failed to open font file " << path.c_str()
  40       );
  41
  42     return font;
  43   }
  44
  45   //----------------------------------------------------------------------------
  46   void FGCanvasSystemAdapter::addCamera(osg::Camera* camera) const
  47   {
  48     globals->get_renderer()->addCamera(camera, false);
  49   }
  50
  51   //----------------------------------------------------------------------------
  52   void FGCanvasSystemAdapter::removeCamera(osg::Camera* camera) const
  53   {
  54     globals->get_renderer()->removeCamera(camera);
  55   }
  56
  57   //----------------------------------------------------------------------------
  58   osg::Image* FGCanvasSystemAdapter::getImage(const std::string& path) const
  59   {
  60     SGPath tpath = globals->resolve_resource_path(path);
  61     if( tpath.isNull() || !tpath.exists() )
  62     {
  63       SG_LOG(SG_GL, SG_ALERT, "canvas::Image: No such image: " << path);
  64       return 0;
  65     }
  66
  67     return osgDB::readImageFile(tpath.c_str());
  68   }
  69
  70 }