124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
// Integrate Canvas into FlightGear
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//
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// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#include "FGCanvasSystemAdapter.hxx"
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#include <Main/globals.hxx>
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#include <Main/util.hxx>
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#include <Network/HTTPClient.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_DEBUG,
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"canvas::Text: using font file " << path
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);
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simgear::canvas::FontPtr font = osgText::readFontFile(path.local8BitStr());
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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
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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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if( globals->get_renderer() )
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globals->get_renderer()->removeCamera(camera);
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}
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//----------------------------------------------------------------------------
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osg::ref_ptr<osg::Image> FGCanvasSystemAdapter::getImage(const std::string& path) const
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{
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SGPath p(SGPath::fromUtf8(path));
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if( p.isAbsolute() )
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{
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SGPath valid_path = fgValidatePath(p, false);
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if( !valid_path.isNull() )
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return osgDB::readImageFile(valid_path.local8BitStr());
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SG_LOG(SG_IO, SG_ALERT, "canvas::Image: reading '" << path << "' denied");
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}
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else
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{
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SGPath tpath = globals->resolve_resource_path(path);
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if( !tpath.isNull() )
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return osgDB::readRefImageFile(tpath.local8BitStr());
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SG_LOG(SG_IO, SG_ALERT, "canvas::Image: No such image: '" << path << "'");
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}
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return 0;
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}
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//----------------------------------------------------------------------------
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SGSubsystem*
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FGCanvasSystemAdapter::getSubsystem(const std::string& name) const
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{
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return globals->get_subsystem(name.c_str());
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}
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//----------------------------------------------------------------------------
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simgear::HTTP::Client* FGCanvasSystemAdapter::getHTTPClient() const
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{
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FGHTTPClient* http = globals->get_subsystem<FGHTTPClient>();
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if( http )
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return http->client();
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SG_LOG( SG_IO,
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SG_ALERT,
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"FGCanvasSystemAdapter: Failed to get HTTP subsystem" );
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return 0;
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}
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}
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