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OgreColourValue.cpp

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright © 2000-2002 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #include "OgreStableHeaders.h"
00026 #include "OgreColourValue.h"
00027 
00028 namespace Ogre {
00029 
00030     ColourValue ColourValue::Black = ColourValue(0.0,0.0,0.0);
00031     ColourValue ColourValue::White = ColourValue(1.0,1.0,1.0);
00032     ColourValue ColourValue::Red = ColourValue(1.0,0.0,0.0);
00033     ColourValue ColourValue::Green = ColourValue(0.0,1.0,0.0);
00034     ColourValue ColourValue::Blue = ColourValue(0.0,0.0,1.0);
00035 
00036     //---------------------------------------------------------------------
00037     unsigned long ColourValue::getAsLongRGBA(void) const
00038     {
00039         unsigned char val8;
00040         unsigned long val32 = 0;
00041 
00042         // Convert to 32bit pattern
00043         // (RGBA = 8888)
00044 
00045         // Red
00046         val8 = (unsigned char)(r * 255);
00047         val32 = val8 << 24;
00048 
00049         // Green
00050         val8 = (unsigned char)(g * 255);
00051         val32 += val8 << 16;
00052 
00053         // Blue
00054         val8 = (unsigned char)(b * 255);
00055         val32 += val8 << 8;
00056 
00057         // Alpha
00058         val8 = (unsigned char)(a * 255);
00059         val32 += val8;
00060 
00061         return val32;
00062     }
00063     //---------------------------------------------------------------------
00064     unsigned long ColourValue::getAsLongARGB(void) const
00065     {
00066         unsigned char val8;
00067         unsigned long val32 = 0;
00068 
00069         // Convert to 32bit pattern
00070         // (ARGB = 8888)
00071 
00072         // Alpha
00073         val8 = (unsigned char)(a * 255);
00074         val32 = val8 << 24;
00075 
00076         // Red
00077         val8 = (unsigned char)(r * 255);
00078         val32 += val8 << 16;
00079 
00080         // Green
00081         val8 = (unsigned char)(g * 255);
00082         val32 += val8 << 8;
00083 
00084         // Blue
00085         val8 = (unsigned char)(b * 255);
00086         val32 += val8;
00087 
00088 
00089         return val32;
00090     }
00091     //---------------------------------------------------------------------
00092     ABGR ColourValue::getAsLongABGR(void) const
00093     {
00094         unsigned char val8;
00095         unsigned long val32 = 0;
00096 
00097         // Convert to 32bit pattern
00098         // (ABRG = 8888)
00099 
00100         // Alpha
00101         val8 = (unsigned char)(a * 255);
00102         val32 = val8 << 24;
00103 
00104         // Blue
00105         val8 = (unsigned char)(b * 255);
00106         val32 += val8 << 16;
00107 
00108         // Green
00109         val8 = (unsigned char)(g * 255);
00110         val32 += val8 << 8;
00111 
00112         // Red
00113         val8 = (unsigned char)(r * 255);
00114         val32 += val8;
00115 
00116 
00117         return val32;
00118     }
00119     //---------------------------------------------------------------------
00120     bool ColourValue::operator==(const ColourValue& rhs) const
00121     {
00122         return (r == rhs.r &&
00123             g == rhs.g &&
00124             b == rhs.b &&
00125             a == rhs.a);
00126     }
00127     //---------------------------------------------------------------------
00128     bool ColourValue::operator!=(const ColourValue& rhs) const
00129     {
00130         return !(*this == rhs);
00131     }
00132 
00133 }
00134 

Copyright © 2002-2003 by The OGRE Team
Last modified Wed Jan 21 00:10:05 2004