sem 14

1 files changed, 43 insertions, 0 deletions

diff --git a/Sem. 14/Shapes/Shape.h b/Sem. 14/Shapes/Shape.h
new file mode 100644
index 0000000..caf7919
--- /dev/null
+++ b/Sem. 14/Shapes/Shape.h
@@ -0,0 +1,43 @@
+#pragma once
+#include <iostream>
+
+class Shape   // Abstract class - no instances of Shape are allowed!
+{
+protected:
+	struct point
+	{
+		point() :x(0), y(0){}
+		point(double x, double y) :x(x), y(y){}
+		double x;
+		double y;
+		double getDist(const point& other) const
+		{
+			int dx = x - other.x;
+			int dy = y - other.y;
+
+			return sqrt(dx*dx + dy*dy);
+		}
+	};
+	const point& getPointAtIndex(size_t index) const;
+private:
+	point* points;
+	size_t pointsCount;
+
+	void copyFrom(const Shape& other);
+	void free();
+
+
+public:
+	Shape(size_t pointsCount);
+
+	Shape(const Shape& other);
+	Shape& operator=(const Shape& other);
+	virtual ~Shape(); //!!!!!!
+
+	void setPoint(size_t pointIndex, double x, double y);
+
+	virtual double getArea() const = 0; //pure virtual
+	virtual double getPer()  const = 0; // pure virtual
+
+	virtual Shape* clone() const = 0; //
+};
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