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  #ifndef __OPENCV_STITCHING_WARPER_CREATORS_HPP__
  #define __OPENCV_STITCHING_WARPER_CREATORS_HPP__
  
  #include "opencv2/stitching/detail/warpers.hpp"
  
  namespace cv {
  
  class WarperCreator
  {
  public:
      virtual ~WarperCreator() {}
      virtual Ptr<detail::RotationWarper> create(float scale) const = 0;
  };
  
  
  class PlaneWarper : public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::PlaneWarper(scale); }
  };
  
  
  class CylindricalWarper: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::CylindricalWarper(scale); }
  };
  
  
  class SphericalWarper: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::SphericalWarper(scale); }
  };
  
  class FisheyeWarper : public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::FisheyeWarper(scale); }
  };
  
  class StereographicWarper: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::StereographicWarper(scale); }
  };
  
  class CompressedRectilinearWarper: public WarperCreator
  {
  	float a, b;
  public:
  	CompressedRectilinearWarper(float A = 1, float B = 1)
  	{
  		a = A; b = B;
  	}
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::CompressedRectilinearWarper(scale, a, b); }
  };
  
  class CompressedRectilinearPortraitWarper: public WarperCreator
  {
  	float a, b;
  public:
  	CompressedRectilinearPortraitWarper(float A = 1, float B = 1)
  	{
  		a = A; b = B;
  	}
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::CompressedRectilinearPortraitWarper(scale, a, b); }
  };
  
  class PaniniWarper: public WarperCreator
  {
  	float a, b;
  public:
  	PaniniWarper(float A = 1, float B = 1)
  	{
  		a = A; b = B;
  	}
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::PaniniWarper(scale, a, b); }
  };
  
  class PaniniPortraitWarper: public WarperCreator
  {
  	float a, b;
  public:
  	PaniniPortraitWarper(float A = 1, float B = 1)
  	{
  		a = A; b = B;
  	}
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::PaniniPortraitWarper(scale, a, b); }
  };
  
  class MercatorWarper: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::MercatorWarper(scale); }
  };
  
  class TransverseMercatorWarper: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::TransverseMercatorWarper(scale); }
  };
  
  
  
  #ifdef HAVE_OPENCV_GPU
  class PlaneWarperGpu: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::PlaneWarperGpu(scale); }
  };
  
  
  class CylindricalWarperGpu: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::CylindricalWarperGpu(scale); }
  };
  
  
  class SphericalWarperGpu: public WarperCreator
  {
  public:
      Ptr<detail::RotationWarper> create(float scale) const { return new detail::SphericalWarperGpu(scale); }
  };
  #endif
  
  } // namespace cv
  
  #endif // __OPENCV_STITCHING_WARPER_CREATORS_HPP__
  