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Viewing changes to NuxCore/ColorFunctions.cpp

  • Committer: Neil Jagdish Patel
  • Date: 2010-09-01 19:25:37 UTC
  • Revision ID: neil.patel@canonical.com-20100901192537-mfz7rm6q262pewg6
Import and build NuxCore

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NuxCore/ColorFunctions.cpp
 
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#include "NKernel.h"
 
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#include "NSystemTypes.h"
 
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#include "ColorFunctions.h"
 
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NAMESPACE_BEGIN
 
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// Converts from Gamma2.2 space to Gamma1.0 space
 
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t_float Undo_Gamma_Correction(t_float c)
 
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{
 
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    if(c <= 0.03928f)     
 
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    {                      
 
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      return (c / 12.92f);     
 
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    }                      
 
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    else                   
 
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    {                      
 
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      return (float)pow((c + 0.055f) / 1.055f, 2.4f);
 
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    }                                            
 
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}
 
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t_float Do_Gamma_Correction(t_float c)
 
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{
 
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    if(c <= 0.00304f)     
 
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    {                      
 
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      return (c * 12.92f);     
 
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    }                      
 
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    else                   
 
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    {                      
 
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      return (float)pow(c, 1.0f/2.4f) * 1.055f - 0.055f;
 
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    }                                            
 
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}
 
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NAMESPACE_END
 
 
b'\\ No newline at end of file'