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diff --git a/hw3/include/texture_base.h b/hw3/include/texture_base.h
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+/******************************************************************/
+/* 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 _TEXTURE_BASE_H_
+#define _TEXTURE_BASE_H_
+
+#include "vec2d.h"
+#include "image.h"
+
+class texture_base : public image {
+ public:
+  //////////////////
+  // Constructors //
+  //////////////////
+  texture_base(bool repeat=true);
+  texture_base(const texture_base& src);
+
+  ///////////////
+  // Operators //
+  ///////////////
+  texture_base& operator=(const texture_base& src);
+
+  virtual image::value_type operator()(const vec2d& textureCoord) const = 0;
+
+  ////////////////
+  // Inspectors //
+  ////////////////
+  bool repeatEdge(void) const { return _repeat; }
+  bool wrapEdge(void) const { return !_repeat; }
+
+  /////////////
+  // Friends //
+  /////////////
+  friend void swap(texture_base& a, texture_base& b) { a._swap(b); }
+
+  friend std::ostream& operator<<(std::ostream& s, const texture_base& t)
+  {
+    t._print(s);
+    return s;
+  }
+
+ protected:
+  ///////////////////////
+  // Protected Methods //
+  ///////////////////////
+  virtual void _assign(const texture_base& src);
+  color& _at(signed int x, signed int y);
+  const color& _at(signed int x, signed int y) const;
+
+ private:
+  /////////////////////
+  // Private Methods //
+  /////////////////////
+  virtual void _print(std::ostream& s) const=0;
+
+  //////////////////
+  // Data Members //
+  //////////////////
+  bool _repeat;
+};
+
+#endif /* _TEXTURE_BASE_H_ */