GroovX: src/gfx/linestrip.h Source File

00001 
00004 
00005 //
00006 // Copyright (c) 2004-2004 California Institute of Technology
00007 // Copyright (c) 2004-2007 University of Southern California
00008 // Rob Peters <rjpeters at usc dot edu>
00009 //
00010 // created: Thu Jun  3 17:01:33 2004
00011 // commit: $Id: linestrip.h 10065 2007-04-12 05:54:56Z rjpeters $
00012 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/gfx/linestrip.h $
00013 //
00014 // --------------------------------------------------------------------
00015 //
00016 // This file is part of GroovX.
00017 //   [http://ilab.usc.edu/rjpeters/groovx/]
00018 //
00019 // GroovX is free software; you can redistribute it and/or modify it
00020 // under the terms of the GNU General Public License as published by
00021 // the Free Software Foundation; either version 2 of the License, or
00022 // (at your option) any later version.
00023 //
00024 // GroovX is distributed in the hope that it will be useful, but
00025 // WITHOUT ANY WARRANTY; without even the implied warranty of
00026 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00027 // General Public License for more details.
00028 //
00029 // You should have received a copy of the GNU General Public License
00030 // along with GroovX; if not, write to the Free Software Foundation,
00031 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
00032 //
00034 
00035 #ifndef GROOVX_GFX_LINESTRIP_H_UTC20050626084024_DEFINED
00036 #define GROOVX_GFX_LINESTRIP_H_UTC20050626084024_DEFINED
00037 
00038 #include <vector>
00039 
00040 namespace geom
00041 {
00042   template <class T> class vec2;
00043   template <class T> class vec3;
00044 }
00045 
00046 namespace Gfx
00047 {
00048   class Canvas;
00049 
00051   class LineStrip
00052   {
00053   private:
00054     Gfx::Canvas* canvas;
00055     std::vector<geom::vec2<double> > pts;
00056     double width;
00057     bool join;
00058     bool loop;
00059 
00060   public:
00061     LineStrip();
00062 
00063     // default copy c-tor and destructor OK
00064 
00065     void lineJoin(bool doJoin);
00066 
00067     void closeLoop(bool doClose);
00068 
00069     void begin(Gfx::Canvas& c, double w);
00070 
00071     void vertex(const geom::vec2<double>& pt);
00072 
00074     void drawBezier4(const geom::vec3<double>& p1,
00075                      const geom::vec3<double>& p2,
00076                      const geom::vec3<double>& p3,
00077                      const geom::vec3<double>& p4,
00078                      unsigned int subdivisions,
00079                      unsigned int start = 0);
00080 
00081     void end();
00082 
00083   private:
00084     void drawSimpleLineStrip();
00085     void drawJoinedLineStrip();
00086   };
00087 
00088 } // end namespace Gfx
00089 
00090 static const char __attribute__((used)) vcid_groovx_gfx_linestrip_h_utc20050626084024[] = "$Id: linestrip.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file:
00091 #endif // !GROOVX_GFX_LINESTRIP_H_UTC20050626084024_DEFINED