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[930] | 1 | //////////////////////////////////////////////////////////////////////////////////////////
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| 2 | // COLOR.cpp
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| 3 | // function definitions for an RGBA color class
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| 4 | // You may use this code however you wish, but if you do, please credit me and
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| 5 | // provide a link to my website in a readme file or similar
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| 6 | // Downloaded from: www.paulsprojects.net
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| 7 | // Created: 20th July 2002
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| 8 | // Modified: 7th November 2002 - Some speed improvements
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| 9 | // - Removed clamping after adds etc. Do it yourself!
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| 10 | // To enable use with floating point color buffers
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| 11 | // - Corrected lerp (reversed f and 1-f)
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| 12 | //////////////////////////////////////////////////////////////////////////////////////////
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| 13 |
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| 14 | #include "Maths.h"
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| 15 |
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| 16 | void COLOR::ClampTo01()
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| 17 | {
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| 18 | if(r>1.0f)
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| 19 | r=1.0f;
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| 20 | if(r<0.0f)
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| 21 | r=0.0f;
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| 22 |
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| 23 | if(g>1.0f)
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| 24 | g=1.0f;
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| 25 | if(g<0.0f)
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| 26 | g=0.0f;
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| 27 |
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| 28 | if(b>1.0f)
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| 29 | b=1.0f;
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| 30 | if(b<0.0f)
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| 31 | b=0.0f;
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| 32 |
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| 33 | if(a>1.0f)
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| 34 | a=1.0f;
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| 35 | if(a<0.0f)
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| 36 | a=0.0f;
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| 37 | }
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| 38 |
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| 39 | COLOR operator*(float scaleFactor, const COLOR & rhs)
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| 40 | {
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| 41 | return rhs*scaleFactor;
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| 42 | }
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| 43 |
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| 44 | bool COLOR::operator ==(const COLOR & rhs) const
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| 45 | {
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| 46 | if(r != rhs.r)
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| 47 | return false;
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| 48 | if(g != rhs.g)
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| 49 | return false;
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| 50 | if(b != rhs.b)
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| 51 | return false;
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| 52 | if(a != rhs.a)
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| 53 | return false;
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| 54 |
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| 55 | return true;
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| 56 | }
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