multi_part_image.hpp

#pragma once
 
#include <limits>
 
#include "../global.hpp"
#include "../composite.hpp"
#include "stream_image.hpp"
 
namespace Cvb
{
 
CVB_BEGIN_INLINE_NS
 
namespace Driver
{
 
 
class MultiPartImage
  : public StreamImage
  , public std::enable_shared_from_this<MultiPartImage>
{
  friend class Image;
 
  public:
 
    virtual ~MultiPartImage() = default;
 
 
    int NumParts() const noexcept
    {
      return composite_.ItemCount();
    }
 
 
    CompositeVariant GetPartAt(int index) const
    {
      return composite_.ItemAt(index);
    }
 
 
    static MultiPartImagePtr FromComposite(CompositePtr object)
    {
      CVB_CALL_CAPI(ShareObject(object->Handle()));
      return FromHandle<MultiPartImage>(HandleGuard<Image>(object->Handle()));
    }
 
  protected:
 
    MultiPartImage(HandleGuard<Image>&& guard) noexcept
      : StreamImage(std::move(guard))
      , composite_(*this)
    {
    }
 
  private:
    Composite composite_;
};
 
}
 
using Driver::MultiPartImage;
 
CVB_END_INLINE_NS
 
 
 
}