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polygons.h
1 //
2 // polygons.h
3 //
4 // Copyright (C) 1996 Limit Point Systems, Inc.
5 //
6 // Author: Curtis Janssen <cljanss@limitpt.com>
7 // Maintainer: LPS
8 //
9 // This file is part of the SC Toolkit.
10 //
11 // The SC Toolkit is free software; you can redistribute it and/or modify
12 // it under the terms of the GNU Library General Public License as published by
13 // the Free Software Foundation; either version 2, or (at your option)
14 // any later version.
15 //
16 // The SC Toolkit is distributed in the hope that it will be useful,
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 // GNU Library General Public License for more details.
20 //
21 // You should have received a copy of the GNU Library General Public License
22 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 //
25 // The U.S. Government is granted a limited license as per AL 91-7.
26 //
27
28 #ifndef _util_render_polygons_h
29 #define _util_render_polygons_h
30
31 #include <util/keyval/keyval.h>
32 #include <util/render/object.h>
33
34 namespace sc {
35
36 class RenderedPolygons: public RenderedObject {
37 public:
38 enum Coloring { None, Vertex /*, Face*/ };
39 private:
40 RenderedPolygons::Coloring coloring_;
41 int nvertex_;
42 int nface_;
43 double** vertices_;
44 double** vertex_rgb_;
45 int** faces_;
46 int* nvertex_in_face_;
47 protected:
48 void render(const Ref<Render>&);
49 public:
50 RenderedPolygons();
51 RenderedPolygons(const Ref<KeyVal>&);
52 ~RenderedPolygons();
53
54 void initialize(int nvertex, int nface,
55 RenderedPolygons::Coloring c = RenderedPolygons::None);
56 void set_vertex(int, double x, double y, double z);
57 void set_vertex_rgb(int, double r, double g, double b);
58 void set_vertex_color(int i, const Color&c) {
59 set_vertex_rgb(i, c.red(), c.green(), c.blue());
60 }
61 void set_face(int iface, int v1, int v2, int v3);
62 void set_face(int iface, int v1, int v2, int v3, int v4);
63
64 int nvertex() const { return nvertex_; }
65 int nface() const { return nface_; }
66 int nvertex_in_face(int iface) const { return nvertex_in_face_[iface]; }
67 const double *vertex(int i) const { return vertices_[i]; }
68 double vertex(int i, int j) const { return vertices_[i][j]; }
69 int face(int i,int j) const { return faces_[i][j]; }
70 double vertex_rgb(int i, int j) const { return vertex_rgb_[i][j]; }
71 int have_vertex_rgb() const { return coloring_ == Vertex; }
72 };
73
74 }
75
76 #endif
77
78 // Local Variables:
79 // mode: c++
80 // c-file-style: "CLJ"
81 // End: