Prome's Shahid Minar

#include<stdio.h>
#include <GL/gl.h>
#include <GL/glut.h>

int rund(double x) { return ((int)(x*10))%10>5?(int)++x:(int)x; }

void axes()
{
    glColor3f (1.0, 0.0, 0.0);

    glBegin(GL_POINTS);

    for(int i=-1000;i<=1000;i++){
        glVertex2d(0,i);
        glVertex2d(i,0);
    }

    glEnd();

    glFlush();
}

void rectangle(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
{
    glColor3f (1.0, 1.0, 1.0);

    glBegin(GL_POLYGON);

    glVertex2d(x1,y1);
    glVertex2d(x2,y2);
    glVertex2d(x3,y3);
    glVertex2d(x4,y4);

    glEnd();

    glFlush();
}

void rectangle2(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
{
    glColor3f (0.87, 0.87, 0.87);

    glBegin(GL_POLYGON);

    glVertex2d(x1,y1);
    glVertex2d(x2,y2);
    glVertex2d(x3,y3);
    glVertex2d(x4,y4);

    glEnd();

    glFlush();
}

void rectangle3(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
{
    glColor3f (0.65, 0.0, 0.0);

    glBegin(GL_POLYGON);

    glVertex2d(x1,y1);
    glVertex2d(x2,y2);
    glVertex2d(x3,y3);
    glVertex2d(x4,y4);

    glEnd();

    glFlush();
}

void rectangle4(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
{
    glColor3f (0.52, 0.0, 0.0);

    glBegin(GL_POLYGON);

    glVertex2d(x1,y1);
    glVertex2d(x2,y2);
    glVertex2d(x3,y3);
    glVertex2d(x4,y4);

    glEnd();

    glFlush();
}

void rectangle5(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4)
{
    glColor3f (0.32, 0.00, 0.00);

    glBegin(GL_POLYGON);

    glVertex2d(x1,y1);
    glVertex2d(x2,y2);
    glVertex2d(x3,y3);
    glVertex2d(x4,y4);

    glEnd();

    glFlush();
}


void midPoint(int xc, int yc, int r){

    glColor3f (0.86, 0.0, 0.0);

    int x0=0, y0=r, p0=1-r;
    int ax0[1111], ay0[1111];
    int idx0=0;
    ax0[idx0]=x0;
    ay0[idx0++]=y0;
    while(1){
        if(p0<0){
            x0++; p0=p0+(2*x0)+1;
        }
        else{
            x0++; y0--; p0=p0+(2*x0)+1-2*y0;
        }
        ax0[idx0]=x0; ay0[idx0++]=y0;
        if(x0>=y0) break;
    }

    glBegin(GL_POLYGON);
    int tx0,ty0;
    for(int i=0;i<idx0;i++){
        tx0=ax0[i]*(-1); ty0=ay0[i]*(-1);
        glVertex2d(ax0[i]+xc,ay0[i]+yc);
        glVertex2d(tx0+xc,ay0[i]+yc);
        glVertex2d(ax0[i]+xc,ty0+yc);
        glVertex2d(tx0+xc,ty0+yc);
        glVertex2d(ay0[i]+xc,ax0[i]+yc);
        glVertex2d(ty0+xc,ax0[i]+yc);
        glVertex2d(ay0[i]+xc,tx0+yc);
        glVertex2d(ty0+xc,tx0+yc);
    }
    glEnd();

    glFlush();
}


void display(void)
{
    glClear (GL_COLOR_BUFFER_BIT);

    // axes();

    // circle
    midPoint(0,450,280);

    // inbar0d
    rectangle2(-215,190,215,190,215,210,-215,210);
    rectangle2(-215,390,215,390,215,410,-215,410);
    rectangle2(-215,590,215,590,215,610,-215,610);

    // inbar0u
    rectangle2(-210,740,210,740,210,760,-210,760);

    // inbar-1
    rectangle2(-445,150,-315,110,-315,130,-445,170);
    rectangle2(-445,350,-315,310,-315,330,-445,370);

    // inbar1
    rectangle2(445,150,315,110,315,130,445,170);
    rectangle2(445,350,315,310,315,330,445,370);

    // inbar-2
    rectangle2(-695,100,-545,75,-545,95,-695,120);
    rectangle2(-695,275,-545,250,-545,270,-695,295);

    // inbar2
    rectangle2(695,100,545,75,545,95,695,120);
    rectangle2(695,275,545,250,545,270,695,295);

    // col0d
    rectangle(-15,0,15,0,15,600,-15,600);
    rectangle(-215,0,-165,0,-165,600,-215,600);
    rectangle(165,0,215,0,215,600,165,600);

    // col0u
    rectangle(-15,600,15,600,8,920,-8,920);
    rectangle(-215,600,-165,600,-200,920,-235,920);
    rectangle(165,600,215,600,235,920,200,920);

    // bar0
    rectangle(-220,900,220,900,225,920,-225,920);

    // col-1
    rectangle(-340,0,-315,0,-315,575,-340,575);
    rectangle(-445,0,-420,0,-420,600,-445,620);

    // bar-1
    rectangle(-445,595,-315,550,-315,575,-445,620);

    // col1
    rectangle(340,0,315,0,315,575,340,575);
    rectangle(445,0,420,0,420,600,445,620);

    // bar1
    rectangle(445,595,315,550,315,575,445,620);

    // col-2
    rectangle(-570,0,-545,0,-545,425,-570,425);
    rectangle(-695,0,-670,0,-670,450,-695,450);

    // bar-2
    rectangle(-695,425,-545,400,-545,425,-695,450);

    // col2
    rectangle(570,0,545,0,545,425,570,425);
    rectangle(695,0,670,0,670,450,695,450);

    // bar2
    rectangle(695,425,545,400,545,425,695,450);

    // base1
    rectangle3(-775,0,775,0,775,-50,-775,-50);

    // base2
    rectangle4(-825,-50,825,-50,825,-100,-825,-100);

    // base3
    rectangle5(-855,-100,855,-100,855,-150,-855,-150);
}

void init (void){

    glClearColor (0.0, 0.0, 0.0, 0.0);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(-1000,1000,-800,1300, -1.0, 1.0);
}

int main(int argc, char** argv)
{
    glutInit(&argc, argv);
    glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
    glutInitWindowSize (1000, 1000);
    glutInitWindowPosition (50, 50);
    glutCreateWindow ("172-15-9743");
    init ();
    glutDisplayFunc(display);
    glutMainLoop();

    return 0;
}