1 files changed, 233 insertions, 0 deletions
diff --git a/hw2/src/color.cpp b/hw2/src/color.cpp
new file mode 100644
index 0000000..b2b720f
--- /dev/null
+++ b/hw2/src/color.cpp
@@ -0,0 +1,233 @@
+/******************************************************************/
+/* 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.                                                  */
+/******************************************************************/
+#include <cmath>
+#include <cassert>
+#include <algorithm>
+#include "color.h"
+
+//////////////////
+// Constructors //
+//////////////////
+color::color(color::const_reference value)
+{ 
+  r = g = b = value;
+}
+
+
+color::color(color::const_reference r, color::const_reference g, color::const_reference b) 
+{
+  this->r = r;
+  this->g = g;
+  this->b = b;
+}
+
+
+color::color(const color& col)
+{
+  r = col.r;
+  g = col.g;
+  b = col.b;
+}
+ 
+
+////////////////
+// Inspectors //
+////////////////
+color::const_reference color::operator[](size_t index) const 
+{ 
+  assert(index < size());
+  return data[index]; 
+}
+
+
+color::reference color::operator[](size_t index) 
+{ 
+  assert(index < size());
+  return data[index]; 
+}
+
+
+color::iterator color::begin(void)
+{
+  return data;
+}
+
+
+color::const_iterator color::begin(void) const
+{
+  return data;
+}
+
+
+color::iterator color::end(void) 
+{
+  return begin() + size();
+}
+
+
+color::const_iterator color::end(void) const
+{
+  return begin() + size();
+}
+
+
+///////////////
+// Operators //
+///////////////
+color& color::operator=(const color& col) 
+{ 
+  _assign(col); 
+  return *this; 
+}
+
+
+bool color::operator==(const color& col) const 
+{ 
+  return (r == col.r) && (g == col.g) && (b == col.b); 
+}
+
+
+bool color::operator!=(const color& col) const 
+{ 
+  return (r != col.r) || (g != col.g) || (b != col.b); 
+}
+  
+
+color color::operator+(const color& col) const 
+{ 
+  return color(r + col.r, g + col.g, b + col.b); 
+}
+
+
+color color::operator-(const color& col) const 
+{ 
+  return color(r - col.r, g - col.g, b - col.b); 
+}
+
+
+color color::operator*(const color& col) const 
+{ 
+  return color(r * col.r, g * col.g, b * col.b); 
+}
+
+
+color color::operator*(color::const_reference scale) const 
+{ 
+  return color(r * scale, g * scale, b * scale); 
+}
+
+
+color color::operator/(const color& col) const 
+{ 
+  return color(r / col.r, g / col.g, b / col.b); 
+}
+
+
+color color::operator/(color::const_reference scale) const 
+{ 
+  return color(r / scale, g / scale, b / scale); 
+}
+
+
+color& color::operator+=(const color& col) 
+{ 
+  r += col.r; 
+  g += col.g; 
+  b += col.b; 
+  return *this; 
+}
+
+
+color& color::operator-=(const color& col) 
+{ 
+  r -= col.r; 
+  g -= col.g; 
+  b -= col.b; 
+  return *this; 
+}
+
+
+color& color::operator*=(const color& col) 
+{ 
+  r *= col.r; 
+  g *= col.g;
+  b *= col.b;  
+  return *this; 
+}
+
+
+color& color::operator*=(color::const_reference scale) 
+{ 
+  r *= scale; 
+  g *= scale; 
+  b *= scale; 
+  return *this; 
+}
+
+
+color& color::operator/=(const color& col) 
+{ 
+  r /= col.r; 
+  g /= col.g; 
+  b /= col.b; 
+  return *this; 
+}							
+
+
+color& color::operator/=(color::const_reference scale) 
+{ 
+  r /= scale; 
+  g /= scale; 
+  b /= scale; 
+  return *this; 
+}
+
+
+
+///////////////
+// Modifiers //
+///////////////
+color& color::abs(void)
+{
+  std::for_each(begin(), end(), [](reference val) 
+  { 
+    if(val<0) val = -val;
+  });
+  return *this;
+}
+
+
+color& color::clamp(const_reference lowerBound, const_reference upperBound)
+{
+  std::for_each(begin(), end(), [&](reference val) 
+  { 
+    if(val < lowerBound) val = lowerBound;
+    else if(val > upperBound) val = upperBound; 
+  });
+  return *this;
+}
+
+
+/////////////////////
+// Private Methods //
+/////////////////////
+void color::_assign(const color& col)
+{ 
+  r = col.r;  
+  g = col.g; 
+  b = col.b; 
+}
+
+
+void color::_swap(color& col) 
+{
+  std::swap(r, col.r);
+  std::swap(g, col.g);
+  std::swap(b, col.b);
+}