GroovX: src/gfx/rgbacolor.h Source File

00001 
00003 
00004 //
00005 // Copyright (c) 2000-2004 California Institute of Technology
00006 // Copyright (c) 2004-2007 University of Southern California
00007 // Rob Peters <rjpeters at usc dot edu>
00008 //
00009 // created: Sat Dec  2 13:08:26 2000
00010 // commit: $Id: rgbacolor.h 10065 2007-04-12 05:54:56Z rjpeters $
00011 // $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/gfx/rgbacolor.h $
00012 //
00013 // --------------------------------------------------------------------
00014 //
00015 // This file is part of GroovX.
00016 //   [http://ilab.usc.edu/rjpeters/groovx/]
00017 //
00018 // GroovX is free software; you can redistribute it and/or modify it
00019 // under the terms of the GNU General Public License as published by
00020 // the Free Software Foundation; either version 2 of the License, or
00021 // (at your option) any later version.
00022 //
00023 // GroovX is distributed in the hope that it will be useful, but
00024 // WITHOUT ANY WARRANTY; without even the implied warranty of
00025 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00026 // General Public License for more details.
00027 //
00028 // You should have received a copy of the GNU General Public License
00029 // along with GroovX; if not, write to the Free Software Foundation,
00030 // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
00031 //
00033 
00034 #ifndef GROOVX_GFX_RGBACOLOR_H_UTC20050626084023_DEFINED
00035 #define GROOVX_GFX_RGBACOLOR_H_UTC20050626084023_DEFINED
00036 
00037 namespace Gfx
00038 {
00039   class RgbaColor;
00040 }
00041 
00043 class Gfx::RgbaColor
00044 {
00045 private:
00046   double itsData[4];
00047 
00048 public:
00049   RgbaColor(double v = 1.0)
00050     { itsData[0] = itsData[1] = itsData[2] = itsData[3] = v; }
00051 
00052   RgbaColor(double r_, double g_, double b_, double a_)
00053     { set(r_, g_, b_, a_); }
00054 
00055         double& r()       { return itsData[0]; }
00056   const double& r() const { return itsData[0]; }
00057 
00058         double& g()       { return itsData[1]; }
00059   const double& g() const { return itsData[1]; }
00060 
00061         double& b()       { return itsData[2]; }
00062   const double& b() const { return itsData[2]; }
00063 
00064         double& a()       { return itsData[3]; }
00065   const double& a() const { return itsData[3]; }
00066 
00067   void get(double& r_, double& g_, double& b_, double& a_) const
00068     { r_ = r(); g_ = g(); b_ = b(); a_ = a(); }
00069 
00070   void set(double r_, double g_, double b_, double a_)
00071     { r() = r_; g() = g_; b() = b_; a() = a_; }
00072 
00073         double* data()       { return &itsData[0]; }
00074   const double* data() const { return &itsData[0]; }
00075 };
00076 
00077 static const char __attribute__((used)) vcid_groovx_gfx_rgbacolor_h_utc20050626084023[] = "$Id: rgbacolor.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file:
00078 #endif // !GROOVX_GFX_RGBACOLOR_H_UTC20050626084023_DEFINED