CanvasColor.h

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//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.7.0
// ----------------------------------------------------------------------------
// pcl/CanvasColor.h - Released 2024-06-18T15:48:54Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
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// ----------------------------------------------------------------------------
 
#ifndef __PCL_CanvasColor_h
#define __PCL_CanvasColor_h
 
 
#include <pcl/Defs.h>
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
class PCL_CLASS CanvasColor
{
public:
 
   CanvasColor() = default;
 
   CanvasColor( const CanvasColor& ) = default;
 
   CanvasColor& operator =( const CanvasColor& ) = default;
 
   void GetCanvasColor( float& v0, float& v1, float& v2 ) const
   {
      v0 = canvasColor[0]; v1 = canvasColor[1]; v2 = canvasColor[2];
   }
 
   void GetCanvasColor( float& v0, float& v1, float& v2, float& v3 ) const
   {
      v0 = canvasColor[0]; v1 = canvasColor[1]; v2 = canvasColor[2]; v3 = canvasColor[3];
   }
 
   void GetCanvasColor( float* v ) const
   {
      v[0] = canvasColor[0]; v[1] = canvasColor[1]; v[2] = canvasColor[2]; v[3] = canvasColor[3];
   }
 
   void SetCanvasColor( float v0, float v1, float v2 )
   {
      canvasColor[0] = v0; canvasColor[1] = v1; canvasColor[2] = v2; canvasColor[3] = 1;
   }
 
   void SetCanvasColor( float v0, float v1, float v2, float v3 )
   {
      canvasColor[0] = v0; canvasColor[1] = v1; canvasColor[2] = v2; canvasColor[3] = v3;
   }
 
   void SetCanvasColor( const float* v )
   {
      canvasColor[0] = v[0]; canvasColor[1] = v[1]; canvasColor[2] = v[2]; canvasColor[3] = v[3];
   }
 
   void SetCanvasColor( float v )
   {
      canvasColor[0] = canvasColor[1] = canvasColor[2] = canvasColor[3] = v;
   }
 
protected:
 
   // Normalized floating-point sample values. Note that to the purpose of this
   // structure float provides enough accuracy, even for DImage.
   float canvasColor[ 4 ] = {}; // red/gray, green, blue, alpha
};
 
// ----------------------------------------------------------------------------
 
} // pcl
 
#endif   // __PCL_CanvasColor_h
 
// ----------------------------------------------------------------------------
// EOF pcl/CanvasColor.h - Released 2024-06-18T15:48:54Z