Day2 - rješenja

exercise/01/color.cpp

@@ -0,0 +1,84 @@
+#include "stdafx.h"
+#include "color.h"
+
+
+double const color::m_MinValue = 0.0;
+double const color::m_MaxValue = 1.0;
+
+color::color()
+{
+  m_fRed = 0.0;
+  m_fGreen = 0.0;
+  m_fBlue = 0.0;
+}
+
+color::color(double red, double green, double blue)
+{  
+  set_red(red);     
+  set_green(green);
+  set_blue(blue);
+}
+
+color::color(const color& Color)
+{
+  m_fRed = Color.get_red();
+  m_fGreen = Color.get_green();
+  m_fBlue = Color.get_blue();
+}
+
+color::~color()
+{
+}
+
+bool color::operator==(const color& second) const
+{
+  return
+    ((m_fRed == second.get_blue())    &&
+     (m_fGreen == second.get_green()) &&
+     (m_fBlue == second.get_blue()) );
+}
+
+double color::get_red() const
+{
+  return m_fRed;
+}
+
+double color::get_green() const
+{
+  return m_fGreen;
+}
+
+double color::get_blue() const
+{
+  return m_fBlue;
+}
+
+
+void color::set_red(double red)
+{
+  m_fRed = std::clamp(red, m_MinValue, m_MaxValue);
+}
+
+void color::set_green(double green)
+{
+  m_fGreen = std::clamp(green, m_MinValue, m_MaxValue);
+}
+
+void color::set_blue(double blue)
+{
+  m_fBlue = std::clamp(blue, m_MinValue, m_MaxValue);
+}
+
+COLORREF color::get_color_ref()
+{
+  unsigned long red = (unsigned long)(m_fRed * 255);
+  unsigned long green = (unsigned long)(m_fGreen * 255);
+  unsigned long blue = (unsigned long)(m_fBlue * 255);
+
+  return RGB(red, green, blue);
+}
+
+double color::get_luminance()
+{
+  return (double)(0.2126 * m_fRed + 0.7152 * m_fGreen + 0.0722 * m_fBlue);
+}

exercise/01/color.h

@@ -0,0 +1,32 @@
+#pragma once
+
+class color
+{
+public:
+  color();
+  color(double red, double green, double blue);
+  color(const color& Color);
+  ~color();
+
+  bool operator==(const color& second) const;
+
+  double get_red() const;
+  double get_green() const;
+  double get_blue() const;
+
+  void set_red(double red);
+  void set_green(double green);
+  void set_blue(double blue);
+
+  COLORREF get_color_ref();
+  double get_luminance();
+
+private:
+  double m_fRed;
+  double m_fGreen;
+  double m_fBlue;
+
+  static double const m_MinValue;
+  static double const m_MaxValue;
+};
+

exercise/01/color_test.cpp

@@ -1,16 +1,25 @@
 #include "stdafx.h"
 #include "color.h"
-#include <windows.h> // RGB
+
+#include <windows.h>
 
 using namespace Microsoft::VisualStudio::CppUnitTestFramework;
 
-namespace Microsoft { namespace VisualStudio { namespace CppUnitTestFramework {
-template<> static std::wstring ToString(const color& c) {
-	std::wostringstream ss;
-	ss << c.get_red() << L',' << c.get_green() << L',' << c.get_blue();
-	return ss.str();
+namespace Microsoft
+{
+  namespace VisualStudio
+  {
+    namespace CppUnitTestFramework
+    {
+      template<> static std::wstring ToString(const color& c)
+      {
+	      std::wostringstream ss;
+	      ss << c.get_red() << L',' << c.get_green() << L',' << c.get_blue();
+	      return ss.str();
+      }
+    }
+  }  
 }
-}}}
 
 namespace color_test
 {