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