polygons.h
//
// polygons.h
//
// Copyright (C) 1996 Limit Point Systems, Inc.
//
// Author: Curtis Janssen <cljanss@limitpt.com>
// Maintainer: LPS
//
// This file is part of the SC Toolkit.
//
// The SC Toolkit is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// The SC Toolkit 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with the SC Toolkit; see the file COPYING.LIB. If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
//
// The U.S. Government is granted a limited license as per AL 91-7.
//
#ifndef _util_render_polygons_h
#define _util_render_polygons_h
#include <util/keyval/keyval.h>
#include <util/render/object.h>
namespace sc {
class RenderedPolygons: public RenderedObject {
public:
enum Coloring { None, Vertex /*, Face*/ };
private:
RenderedPolygons::Coloring coloring_;
int nvertex_;
int nface_;
double** vertices_;
double** vertex_rgb_;
int** faces_;
int* nvertex_in_face_;
protected:
void render(const Ref<Render>&);
public:
RenderedPolygons();
RenderedPolygons(const Ref<KeyVal>&);
~RenderedPolygons();
void initialize(int nvertex, int nface,
RenderedPolygons::Coloring c = RenderedPolygons::None);
void set_vertex(int, double x, double y, double z);
void set_vertex_rgb(int, double r, double g, double b);
void set_vertex_color(int i, const Color&c) {
set_vertex_rgb(i, c.red(), c.green(), c.blue());
}
void set_face(int iface, int v1, int v2, int v3);
void set_face(int iface, int v1, int v2, int v3, int v4);
int nvertex() const { return nvertex_; }
int nface() const { return nface_; }
int nvertex_in_face(int iface) const { return nvertex_in_face_[iface]; }
const double *vertex(int i) const { return vertices_[i]; }
double vertex(int i, int j) const { return vertices_[i][j]; }
int face(int i,int j) const { return faces_[i][j]; }
double vertex_rgb(int i, int j) const { return vertex_rgb_[i][j]; }
int have_vertex_rgb() const { return coloring_ == Vertex; }
};
}
#endif
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