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/*
* OpenSCAD (www.openscad.org)
* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
* Marius Kintel <marius@kintel.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* As a special exception, you have permission to link this program
* with the CGAL library and distribute executables, as long as you
* follow the requirements of the GNU GPL in regard to all of the
* software in the executable aside from CGAL.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef CGAL_RENDERER_H
#define CGAL_RENDERER_H
#include "OGL_helper.h"
#undef CGAL_NEF3_MARKED_VERTEX_COLOR
#undef CGAL_NEF3_MARKED_EDGE_COLOR
#undef CGAL_NEF3_MARKED_FACET_COLOR
#undef CGAL_NEF3_UNMARKED_VERTEX_COLOR
#undef CGAL_NEF3_UNMARKED_EDGE_COLOR
#undef CGAL_NEF3_UNMARKED_FACET_COLOR
using CGAL::OGL::SNC_BOUNDARY;
using CGAL::OGL::SNC_SKELETON;
namespace OpenSCAD
{
namespace OGL
{
class Polyhedron : public CGAL::OGL::Polyhedron
{
public:
enum RenderColor {
CGAL_NEF3_MARKED_VERTEX_COLOR,
CGAL_NEF3_MARKED_EDGE_COLOR,
CGAL_NEF3_MARKED_FACET_COLOR,
CGAL_NEF3_UNMARKED_VERTEX_COLOR,
CGAL_NEF3_UNMARKED_EDGE_COLOR,
CGAL_NEF3_UNMARKED_FACET_COLOR,
NUM_COLORS
};
CGAL::Color colors[NUM_COLORS];
void draw(bool showedges) const {
if(this->style == SNC_BOUNDARY) {
glCallList(this->object_list_+2);
if(showedges) {
glDisable(GL_LIGHTING);
glCallList(this->object_list_+1);
glCallList(this->object_list_);
}
} else {
glDisable(GL_LIGHTING);
glCallList(this->object_list_+1);
glCallList(this->object_list_);
}
}
CGAL::Color getVertexColor(Vertex_iterator v) const {
CGAL::Color c = v->mark() ? colors[CGAL_NEF3_UNMARKED_VERTEX_COLOR] : colors[CGAL_NEF3_MARKED_VERTEX_COLOR];
return c;
}
CGAL::Color getEdgeColor(Edge_iterator e) const {
CGAL::Color c = e->mark() ? colors[CGAL_NEF3_UNMARKED_EDGE_COLOR] : colors[CGAL_NEF3_MARKED_EDGE_COLOR];
return c;
}
CGAL::Color getFacetColor(Halffacet_iterator f) const {
CGAL::Color c = f->mark() ? colors[CGAL_NEF3_UNMARKED_FACET_COLOR] : colors[CGAL_NEF3_MARKED_FACET_COLOR];
return c;
}
};
template<typename Nef_polyhedron>
class Nef3_Converter : public CGAL::OGL::Nef3_Converter<Nef_polyhedron>
{
public:
static void setColor(Polyhedron* p, Polyhedron::RenderColor color_index,
unsigned char r, unsigned char g, unsigned char b) {
assert(color_index < Polyhedron::NUM_COLORS);
p->colors[color_index] = CGAL::Color(r,g,b);
}
}; // Nef3_Converter
} // namespace OGL
} // namespace OpenSCAD
#endif // CGAL_RENDERER_H
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