102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
#include "FGCanvasSystemAdapter.hxx"
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#include <Main/globals.hxx>
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#include <Scripting/NasalSys.hxx>
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#include <Viewer/renderer.hxx>
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#include <osgDB/ReadFile>
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#include <stdexcept>
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namespace canvas
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{
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//----------------------------------------------------------------------------
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simgear::canvas::FontPtr
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FGCanvasSystemAdapter::getFont(const std::string& name) const
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{
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SGPath path = globals->resolve_resource_path("Fonts/" + name);
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if( path.isNull() )
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{
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SG_LOG
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(
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SG_GL,
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SG_ALERT,
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"canvas::Text: No such font: " << name
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);
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return simgear::canvas::FontPtr();
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}
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SG_LOG
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(
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SG_GL,
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SG_INFO,
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"canvas::Text: using font file " << path.str()
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);
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simgear::canvas::FontPtr font = osgText::readFontFile(path.c_str());
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if( !font )
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SG_LOG
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(
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SG_GL,
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SG_ALERT,
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"canvas::Text: Failed to open font file " << path.c_str()
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);
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return font;
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}
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//----------------------------------------------------------------------------
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void FGCanvasSystemAdapter::addCamera(osg::Camera* camera) const
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{
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globals->get_renderer()->addCamera(camera, false);
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}
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//----------------------------------------------------------------------------
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void FGCanvasSystemAdapter::removeCamera(osg::Camera* camera) const
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{
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globals->get_renderer()->removeCamera(camera);
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}
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//----------------------------------------------------------------------------
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osg::Image* FGCanvasSystemAdapter::getImage(const std::string& path) const
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{
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SGPath tpath = globals->resolve_resource_path(path);
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if( tpath.isNull() || !tpath.exists() )
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{
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SG_LOG(SG_GL, SG_ALERT, "canvas::Image: No such image: " << path);
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return 0;
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}
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return osgDB::readImageFile(tpath.c_str());
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}
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/**
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* Get current FGNasalSys instance.
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*/
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static FGNasalSys* getNasalSys()
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{
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static FGNasalSys* nasal_sys = 0;
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// TODO if Nasal is able to be removed and/or recreated at runtime we need
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// to ensure that always the current instance is used
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if( !nasal_sys )
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{
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nasal_sys = dynamic_cast<FGNasalSys*>(globals->get_subsystem("nasal"));
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if( !nasal_sys )
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throw std::runtime_error("FGCanvasSystemAdapter: no NasalSys");
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}
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return nasal_sys;
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}
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//----------------------------------------------------------------------------
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int FGCanvasSystemAdapter::gcSave(naRef r)
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{
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return getNasalSys()->gcSave(r);
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}
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//----------------------------------------------------------------------------
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void FGCanvasSystemAdapter::gcRelease(int key)
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{
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getNasalSys()->gcRelease(key);
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}
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}
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