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# polygons.h

    00001 //
    00002 // polygons.h
    00003 //
    00004 // Copyright (C) 1996 Limit Point Systems, Inc.
    00005 //
    00006 // Author: Curtis Janssen <cljanss@limitpt.com>
    00007 // Maintainer: LPS
    00008 //
    00009 // This file is part of the SC Toolkit.
    00010 //
    00011 // The SC Toolkit is free software; you can redistribute it and/or modify
    00012 // it under the terms of the GNU Library General Public License as published by
    00013 // the Free Software Foundation; either version 2, or (at your option)
    00014 // any later version.
    00015 //
    00016 // The SC Toolkit is distributed in the hope that it will be useful,
    00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00019 // GNU Library General Public License for more details.
    00020 //
    00021 // You should have received a copy of the GNU Library General Public License
    00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00024 //
    00025 // The U.S. Government is granted a limited license as per AL 91-7.
    00026 //
    00027
    00028 #ifndef _util_render_polygons_h
    00029 #define _util_render_polygons_h
    00030
    00031 #include <util/keyval/keyval.h>
    00032 #include <util/render/object.h>
    00033
    00034 namespace sc {
    00035
    00036 class RenderedPolygons: public RenderedObject {
    00037   public:
    00038     enum Coloring { None, Vertex /*, Face*/ };
    00039   private:
    00040     RenderedPolygons::Coloring coloring_;
    00041     int nvertex_;
    00042     int nface_;
    00043     double** vertices_;
    00044     double** vertex_rgb_;
    00045     int** faces_;
    00046     int* nvertex_in_face_;
    00047   protected:
    00048     void render(const Ref<Render>&);
    00049   public:
    00050     RenderedPolygons();
    00051     RenderedPolygons(const Ref<KeyVal>&);
    00052     ~RenderedPolygons();
    00053
    00054     void initialize(int nvertex, int nface,
    00055                     RenderedPolygons::Coloring c = RenderedPolygons::None);
    00056     void set_vertex(int, double x, double y, double z);
    00057     void set_vertex_rgb(int, double r, double g, double b);
    00058     void set_vertex_color(int i, const Color&c) {
    00059         set_vertex_rgb(i, c.red(), c.green(), c.blue());
    00060       }
    00061     void set_face(int iface, int v1, int v2, int v3);
    00062     void set_face(int iface, int v1, int v2, int v3, int v4);
    00063
    00064     int nvertex() const { return nvertex_; }
    00065     int nface() const { return nface_; }
    00066     int nvertex_in_face(int iface) const { return nvertex_in_face_[iface]; }
    00067     const double *vertex(int i) const { return vertices_[i]; }
    00068     double vertex(int i, int j) const { return vertices_[i][j]; }
    00069     int face(int i,int j) const { return faces_[i][j]; }
    00070     double vertex_rgb(int i, int j) const { return vertex_rgb_[i][j]; }
    00071     int have_vertex_rgb() const { return coloring_ == Vertex; }
    00072 };
    00073
    00074 }
    00075
    00076 #endif
    00077
    00078 // Local Variables:
    00079 // mode: c++
    00080 // c-file-style: "CLJ"
    00081 // End: