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-rw-r--r--hw5/include/texture_base.h67
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diff --git a/hw5/include/texture_base.h b/hw5/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_ */