Circle using Bresenham‘s algorithm

Write C++/Java program to draw circle using Bresenham‘s algorithm. Inherit pixel class.

Author: chaudharishreyas

Diff for: CG2.cpp

@@ -0,0 +1,70 @@
+/*Write C++/Java program to draw circle using Bresenham‘s algorithm. Inherit pixel class.*/
+#include<iostream>
+#include<graphics.h>
+#include<cstdlib>
+#include<math.h>
+#include<stdio.h>
+using namespace std;
+class Pixel
+{
+	protected:
+		int xc,yc,r;
+	public:
+		Pixel()
+		{
+			xc=0;
+			yc=0;
+			r=0;
+		};
+};
+class Circle: public Pixel
+{
+	public:
+		void drawCircle()
+		{
+			int x,y,pk;
+			printf("*** Bresenham's Circle Drawing Algorithm in C++ ***\n");
+			cout<<"Enter the value of center_x\t";
+			cin>>xc;
+			cout<<"Enter the value of yc\t";
+			cin>>yc;
+			cout<<"Enter the Radius of circle\t";
+			cin>>r;
+			x=0;
+			y=r;
+			//putpixel(center_x+x,yc-y,1);
+			pk=3-(2*r);
+			for(x=0;x<=y;x++)
+			{
+				if (pk<0)
+				{
+					y=y;
+					pk=(pk+(4*x)+6);
+				}
+				else
+				{
+					y=y-1;
+					pk=pk+((4*(x-y)+10));
+				}
+				putpixel(xc+x,yc-y,7);
+				putpixel(xc-x,yc-y,7);
+				putpixel(xc+x,yc+y,7);
+				putpixel(xc-x,yc+y,7);
+				putpixel(xc+y,yc-x,7);
+				putpixel(xc-y,yc-x,7);
+				putpixel(xc+y,yc+x,7);
+				putpixel(xc-y,yc+x,7);
+				delay(100);
+			}
+		};
+};
+int main()
+{
+	Circle c;
+	int gd=DETECT,gm;
+	initgraph(&gd,&gm,NULL);
+	c.drawCircle();
+	std::system("gnome-screenshot -f breCircle.jpg");
+	delay(2000);
+	return 0;
+}