3 * Copyright (C) 2006-2007 Mathias Froehlich
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,
22 #ifndef SG_CLIP_GROUP_HXX
23 #define SG_CLIP_GROUP_HXX
26 #include <osg/ref_ptr>
27 #include <osg/ClipPlane>
29 #include <osgUtil/RenderBin>
31 #include <simgear/math/SGMath.hxx>
33 class SGClipGroup : public osg::Group {
36 SGClipGroup(const SGClipGroup&,
37 const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
38 META_Node(simgear, SGClipGroup);
40 virtual osg::BoundingSphere computeBound() const;
42 void addClipPlane(unsigned num, const SGVec2d& p0, const SGVec2d& p1);
43 void setDrawArea(const SGVec2d& lowerLeft, const SGVec2d& upperRight);
44 void setDrawArea(const SGVec2d& bottomLeft,
45 const SGVec2d& topLeft,
46 const SGVec2d& bottomRight,
47 const SGVec2d& topRight);
52 struct ClipBinRegistrar;
53 std::vector<osg::ref_ptr<osg::ClipPlane> > mClipPlanes;