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prim_list.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2011 by the OpenStructure authors
5 //
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License as published by the Free
8 // Software Foundation; either version 3.0 of the License, or (at your option)
9 // any later version.
10 // This library is distributed in the hope that it will be useful, but WITHOUT
11 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Lesser General Public License
16 // along with this library; if not, write to the Free Software Foundation, Inc.,
17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 //------------------------------------------------------------------------------
19 #ifndef OST_GFX_PRIM_LIST_HH
20 #define OST_GFX_PRIM_LIST_HH
21 
22 /*
23  Author: Ansgar Philippsen
24 */
25 
26 #include <boost/shared_ptr.hpp>
27 
28 #include <ost/geom/geom.hh>
29 
30 #include "gfx_object.hh"
31 #include "gfx_prim.hh"
32 
33 namespace ost { namespace gfx {
34 
39 {
40  struct PointEntry {
41  PointEntry(const geom::Vec3& p, float r, const Color& c):
42  pos(p), rad(r), col(c) {}
43  geom::Vec3 pos;
44  float rad;
45  Color col;
46  };
47 
48  typedef std::vector<PointEntry> PointEntryList;
49 
50  struct LineEntry {
51  LineEntry(const geom::Vec3& p1, const geom::Vec3& p2, float r1, float r2, const Color& c1, const Color& c2):
52  pos1(p1), pos2(p2), rad1(r1), rad2(r2), col1(c1), col2(c2) {}
53  geom::Vec3 pos1, pos2;
54  float rad1, rad2;
55  Color col1, col2;
56  };
57 
58  typedef std::vector<LineEntry> LineEntryList;
59 
60  public:
62  PrimList(const String& name);
63 
64  virtual geom::AlignedCuboid GetBoundingBox(bool use_tf=true) const;
65 
66  virtual void ProcessLimits(geom::Vec3& minc, geom::Vec3& maxc,
67  const geom::Transform& tf) const;
69  virtual geom::Vec3 GetCenter() const;
70 
71  virtual void CustomRenderPov(PovState& pov);
72 
73  virtual void CustomRenderGL(RenderPass pass);
74 
75  virtual void OnRenderModeChange();
76 
77  virtual void SetLineWidth(float w);
79  void Clear();
80 
88  void AddPoint(const geom::Vec3& p, const Color& col);
89 
97  void AddLine(const geom::Vec3& p1, const geom::Vec3& p2, const Color& col1, const Color& col2);
98 
106  void AddSphere(const geom::Vec3& cen, float rad, const Color& col);
107 
115  void AddCyl(const geom::Vec3& p0, const geom::Vec3& p1, float r1, float r2, const Color& col1, const Color& col2);
116 
124  void AddText(const std::string& text, const geom::Vec3& pos, const Color& col, float point_size);
125 
127  void SetDiameter(float d);
128 
130  void SetRadius(float r);
131 
133  void SetColor(const Color& c);
134 
135  void SetSphereDetail(unsigned int d);
136  unsigned int GetSphereDetail() const {return sphere_detail_;}
137 
138  void SetArcDetail(unsigned int d);
139  unsigned int GetArcDetail() const {return arc_detail_;}
140 
141  // TODO: add point and line pixel width
142 
159  void AddMesh(float* v, float* n, float* c, size_t nv, unsigned int* i, size_t ni);
160 
161  protected:
162  virtual void CustomPreRenderGL(bool flag);
163 
164  private:
165  SpherePrimList points_;
166  CylinderPrimList lines_;
167  SpherePrimList spheres_;
168  CylinderPrimList cyls_;
169  TextPrimList texts_;
170  unsigned int sphere_detail_;
171  unsigned int arc_detail_;
172 
173  IndexedVertexArray simple_va_;
174 
175  std::vector<IndexedVertexArray> vas_;
176 
177  void prep_simple_va();
178  void prep_va();
179  void render_text();
180 };
181 
187 
192 }} // ns
193 
194 #endif