ImageInfo.h

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//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.7.0
// ----------------------------------------------------------------------------
// pcl/ImageInfo.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_ImageInfo_h
#define __PCL_ImageInfo_h
 
 
#include <pcl/Defs.h>
 
#include <pcl/AbstractImage.h>
#include <pcl/Relational.h>
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
class PCL_CLASS ImageInfo
{
public:
 
   using color_space = ColorSpace::value_type;
 
   int         width;            
   int         height;           
   int         numberOfChannels; 
   color_space colorSpace;       
   bool        supported;        
 
   ImageInfo()
   {
      Reset();
   }
 
   ImageInfo( const ImageInfo& ) = default;
 
   ImageInfo& operator =( const ImageInfo& ) = default;
 
   ImageInfo( const AbstractImage& image )
   {
      width            = image.SelectedRectangle().Width();
      height           = image.SelectedRectangle().Height();
      numberOfChannels = image.NumberOfSelectedChannels();
      colorSpace       = image.ColorSpace();
      supported        = IsValid();
   }
 
   size_type NumberOfPixels() const
   {
      return size_type( width )*size_type( height );
   }
 
   size_type NumberOfSamples() const
   {
      return NumberOfPixels()*size_type( numberOfChannels );
   }
 
   void Reset()
   {
      width = height = numberOfChannels = 0;
      colorSpace = ColorSpace::Unknown;
      supported = false;
   }
 
   bool IsValid() const
   {
      return width > 0 &&
             height > 0 &&
             colorSpace != ColorSpace::Unknown &&
             numberOfChannels >= ((colorSpace == ColorSpace::Gray) ? 1 : 3);
   }
 
   bool operator ==( const ImageInfo& x ) const
   {
      return width == x.width &&
             height == x.height &&
             numberOfChannels == x.numberOfChannels &&
             colorSpace == x.colorSpace;
   }
};
 
// ----------------------------------------------------------------------------
 
} // pcl
 
#endif   // __PCL_ImageInfo_h
 
// ----------------------------------------------------------------------------
// EOF pcl/ImageInfo.h - Released 2024-06-18T15:48:54Z