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4-MidpointCircleDrawingAlgo.cpp
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4-MidpointCircleDrawingAlgo.cpp
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#include <stdio.h>
#include <iostream>
#include <GL/glut.h>
#include "./custom-headers/Point.h"
#include "./openGL-comp/HelperDrawerMethod.h"
#include "./algos/4-MidPointCircleAlgo.h"
using namespace std;
int pntX1, pntY1, r;
void myInit(void)
{
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
gluOrtho2D(0, 500, 0, 500);
glColor3f(0.0, 0.0, 0.0);
}
void myDisplay(void)
{
int offsetX = 250, offsetY = 250; // origin at (250,250)
RGBColor color(0, 0, 0, 1);
auto points = midPointCircleAlgo(r);
drawPixels<int>(points, color, pntX1 + offsetX, pntY1 + offsetY, false);
glFlush();
}
int main(int argc, char **argv)
{
cout << "Enter the coordinates of the center:\n\n"
<< endl;
cout << "X-coordinate : ";
cin >> pntX1;
cout << "\nY-coordinate : ";
cin >> pntY1;
cout << "\nEnter radius : ";
cin >> r;
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(500, 500);
glutInitWindowPosition(0, 0);
glutCreateWindow("-- Midpoint Circle Drawing --");
myInit();
glutDisplayFunc(myDisplay);
glutMainLoop();
return 0;
}