object.h Source File

00001 //
00002 // object.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_object_h
00029 #define _util_render_object_h
00030 
00031 #ifdef __GNUC__
00032 #pragma interface
00033 #endif
00034 
00035 #include <iostream>
00036 
00037 #include <util/keyval/keyval.h>
00038 #include <util/render/material.h>
00039 #include <util/render/appearance.h>
00040 #include <util/render/transform.h>
00041 
00042 namespace sc {
00043 
00044 class Render;
00045 
00046 class RenderedObject: public DescribedClass {
00047   protected:
00048     char* name_;
00049     Ref<Material> material_;
00050     Ref<Appearance> appearance_;
00051     Ref<Transform> transform_;
00052 
00053     friend class Render;
00054   public:
00055     RenderedObject(const Ref<Material>& = 0);
00056     RenderedObject(const Ref<KeyVal>&);
00057     ~RenderedObject();
00058     const char* name() const { return name_; }
00059     void set_name(const char *);
00060     Ref<Material> material() const { return material_; }
00061     Ref<Appearance> appearance() const { return appearance_; }
00062     Ref<Transform> transform() const { return transform_; }
00063     void material(const Ref<Material>&m) { material_ = m; }
00064     void appearance(const Ref<Appearance>&a) { appearance_ = a; }
00065     void transform(const Ref<Transform>&t) { transform_ = t; }
00066 
00067     virtual void print(std::ostream& = ExEnv::out0()) const;
00068 
00069     // to be called only by derivatives of Render
00070     virtual void render(const Ref<Render>&) = 0;
00071 };
00072 
00073 
00074 class RenderedObjectSet: public RenderedObject {
00075   private:
00076     int capacity_;
00077     int n_;
00078     Ref<RenderedObject> *array_;
00079   protected:
00080     void render(const Ref<Render>&);
00081   public:
00082     RenderedObjectSet(int capacity = 10);
00083     RenderedObjectSet(const Ref<KeyVal>&);
00084     ~RenderedObjectSet();
00085     int n() const { return n_; }
00086     const Ref<RenderedObject>& element(int i) const { return array_[i]; }
00087     virtual void add(const Ref<RenderedObject>&);
00088 };
00089 
00090 }
00091 
00092 #endif
00093 
00094 // Local Variables:
00095 // mode: c++
00096 // c-file-style: "CLJ"
00097 // End: