/******************************************************************/
/* This file is part of the homework assignments for CSCI-427/527 */
/* at The College of William & Mary and authored by Pieter Peers. */
/* No part of this file, whether altered or in original form, can */
/* be distributed or used outside the context of CSCI-427/527     */
/* without consent of either the College of William & Mary or     */
/* Pieter Peers.                                                  */
/******************************************************************/
#ifndef _BILINEARTEXTURE_H_
#define _BILINEARTEXTURE_H_

#include "texture_base.h"

class bilinearTexture : public texture_base {
 public:
  //////////////////
  // Constructors //
  //////////////////
  bilinearTexture(bool repeat=true); 
  bilinearTexture(const bilinearTexture& src);

  ///////////////
  // Operators //
  ///////////////
  bilinearTexture& operator=(const bilinearTexture& src);

  virtual image::value_type operator()(const vec2d& textureCoord) const override;

  /////////////
  // Friends //
  /////////////
  friend void swap(bilinearTexture& a, bilinearTexture& b) { a._swap(b); }

  friend std::ostream& operator<<(std::ostream& s, const bilinearTexture& t)
  {
    t._print(s);
    return s;
  }  

private:
  /////////////////////
  // Private Methods //
  /////////////////////
  virtual void _print(std::ostream& s) const override;
};

#endif /* _BILINEARTEXTURE_H_ */