1 // Some helper functions for accessing the property tree
3 // Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License as
7 // published by the Free Software Foundation; either version 2 of the
8 // License, or (at your option) any later version.
10 // This program is distributed in the hope that it will be useful, but
11 // WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 #include "property_helper.hxx"
24 //----------------------------------------------------------------------------
25 void linkColorNodes( const char* name,
26 SGPropertyNode* parent,
27 std::vector<SGPropertyNode_ptr>& nodes,
28 const osg::Vec4& def )
30 static const char* channels[] = {"red", "green", "blue", "alpha"};
31 static const size_t num_channels = sizeof(channels)/sizeof(channels[0]);
36 // Don't tie to allow the usage of aliases
37 SGPropertyNode_ptr color = parent->getChild(name, 0, true);
39 // We need to be carefull do not get any unitialized nodes or null pointers
40 // because while creating the node a valueChanged event will be triggered.
42 nodes.reserve(num_channels);
44 for( size_t i = 0; i < num_channels; ++i )
45 nodes.push_back( getChildDefault(color, channels[i], def[i]) );