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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 Sun Nov 28 19:48:17 2004