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CS602 Assignment No 02 Fall 2020 Solution / Discussion Due Date: 17-12-2020

 Assignment No. 02Semester: Fall 2020 CS602: Computer Graphics Total Marks: 20 Due Date: Dec 17, 2020

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cs602 assignment no solution files in word and cpp format

CS602_Assignment_No_02_Solution_Fall_2020

CS602-Assignment-02-solution-fall-2020.cpp

cs602 2nd assignment 100% correct solution

CS602-2nd-assignment-100%-correct-solution

Cs602 Solution

Soltion No 1

#include <graphics.h>

#include <stdio.h>

void flood(int x, int y, int new_col, int old_col)

{

if (getpixel(x, y) == old_col) {

putpixel(x, y, new_col);

flood(x+1, y, new_col, old_col);

flood(x-1, y, new_col, old_col);

flood(x, y+1, new_col, old_col);

flood(x, y-1, new_col, old_col);

}

}

int main()

{

int gd, gm = DETECT;

initgraph(&gd, &gm, "");

int top, left, bottom, right;

top = left = 50;

bottom = right = 300;

rectangle(left, top, right, bottom);

int x = 51;

int y = 51;

int newcolor = 15;

int oldcolor = 0;

flood (x, y, newcolor, oldcolor);

getch();

return 0;

}

Solution No 2

#include <graphics.h>

int main()

{

int gd = DETECT, gm;

initgraph(&gd, &gm," ");

int x_circle = 250;

int y_circle = 250;

int border_color=WHITE;

setfillstyle(HATCH_FILL,RED);

floodfill(x_circle,y_circle,border_color);

getch();

closegraph();

}

cs602 2nd assignment 100% correct solution

CS602-2nd-assignment-100%-correct-solution

Cs 602 assignment solution fall 2020
#include<iostream>
#include<conio.h>
#include<graphics.h>
#define round(a) ((int)(a+0.5))
void diplay();
using namespace std;
int j;
float xmini,ymini,xmaxi,ymaxi,arr,m;
void cliplft(float x1,float y1, float x2, float y2)
{
if(x2-x1)
{
m=(y2-y1)/(x2-x1);
}
else
m=200000;
if(x1 >= xmini && x2 >=xmini)
{
arr[j]=x2;
arr[j+1]=y2;
j+=2;
}
if(x1 < xmini && x2 >= xmini)
{
arr[j]=xmini;
arr[j+1]=y1+m*(xmini-x1);
arr[j+2]=x2;
arr[j+3]=y2;
j+=4;
}
if(x1 >= xmini && x2 < xmini)
{
arr[j]=xmini;
arr[j+1]=y1+m*(xmini-x1);
j+=2;
}
}
void cliptp(float x1,float y1, float x2, float y2)
{
if(y2-y1)
{
m=(x2-x1)/(y2-y1);
}
else
m=100000;
if(y1 <= ymaxi && y2 <=ymaxi)
{
arr[j]=x2;
arr[j+1]=y2;
j+=2;
}
if(y1 > ymaxi && y2 <= ymaxi)
{
arr[j]=x1+m*(ymaxi-y1);
arr[j+1]=ymaxi;
arr[j+2]=x2;
arr[j+3]=y2;
j+=4;
}
if(y1 <= ymaxi && y2 > ymaxi)
{
arr[j]=x1+m*(ymini-y1);
arr[j+1]=ymaxi;
j+=2;
}
}
void cliprgt(float x1,float y1, float x2, float y2)
{
if(x2-x1)
{
m=(y2-y1)/(x2-x1);
}
else
m=100000;
if(x1 <= xmaxi && x2 <=xmaxi)
{
arr[j]=x2;
arr[j+1]=y2;
j+=2;
}
if(x1 > xmaxi && x2 <= xmaxi)
{
arr[j]=xmaxi;
arr[j+1]=y1+m*(xmaxi-x1);
arr[j+2]=x2;
arr[j+3]=y2;
j+=4;
}
if(x1 <= xmaxi && x2 > xmaxi)
{
arr[j]=xmaxi;
arr[j+1]=y1+m*(xmaxi-x1);
j+=2;
}
}
void clipbtm(float x1,float y1, float x2, float y2)
{
if(y2-y1)
{
m=(x2-x1)/(y2-y1);
}
else
m=200000;
if(y1 >= ymini && y2 >=ymini)
{
arr[j]=x2;
arr[j+1]=y2;
j+=2;
}
if(y1 < ymini && y2 >= ymini)
{
arr[j]=x1+m*(ymini-y1);
arr[j+1]=ymini;
arr[j+2]=x2;
arr[j+3]=y2;
j+=4;
}
if(y1 >= ymini && y2 < ymini)
{
arr[j]=x1+m*(ymini-y1);
arr[j+1]=ymini;
j+=2;
}
}
void display()
{
static int z=0;
for(int xm=0; xm<1; xm++)
{
cout"(x"z",""y"z"): ";
++z;
}
}
int main()
{
int gdriver=DETECT,gmode,n,poly,i;
float xi,yi,xf,yf,polyg;
xmini=ymini=200;
xmaxi=ymaxi=400;
cout"Windows:-Enter the no. of verices of Ploygon : ";
cin>>n;
cout"Enter the coordinates of points:\n";
for(i=0;i<2*n;i++)
{
if (i==0)
display();
else if(i==2)
display();
else if(i==4)
display();
else if(i==6)
display();
else if(i==8)
display();
else if(i==10)
display();
cin>>polyg[i];
}
polyg[i]=polyg;
polyg[i+1]=polyg;
for(i=0;i<2*n+2;i++)
{
poly[i]=round(polyg[i]);
}
initgraph(&gdriver,&gmode," ");
setcolor(RED);
rectangle(xmini,ymaxi,xmaxi,ymini);
cout"\t\n \n Press a button to clip a polygon ..";
setcolor(WHITE);
setfillstyle(EMPTY_FILL,WHITE);
fillpoly(n,poly);
getch();
cleardevice();
j=0;
for(i=0;i<2*n;i+=2)
cliplft(polyg[i],polyg[i+1],polyg[i+2],polyg[i+3]);
n=j/2;
for(i=0;i<j;i++)
polyg[i]=arr[i];
polyg[i]=polyg ;
polyg[i+1]=polyg;
j=0;
for(i=0;i<2*n;i+=2)
cliptp(polyg[i],polyg[i+1],polyg[i+2],polyg[i+3]);
n=j/2;
for(i=0;i<j;i++)
polyg[i]=arr[i];
polyg[i]=polyg ;
polyg[i+1]=polyg;
j=0;
for(i=0;i<2*n;i+=2)
cliprgt(polyg[i],polyg[i+1],polyg[i+2],polyg[i+3]);
n=j/2;
for(i=0;i<j;i++)
polyg[i]=arr[i];
polyg[i]=polyg ;
polyg[i+1]=polyg;
j=0;
for(i=0;i<2*n;i+=2)
clipbtm(polyg[i],polyg[i+1],polyg[i+2],polyg[i+3]);
for(i=0;i<j;i++)
poly[i]=round(arr[i]);
if(j)
setcolor(WHITE);
setfillstyle(EMPTY_FILL,WHITE);
fillpoly(j/2,poly);
setcolor(RED);
rectangle(xmini,ymaxi,xmaxi,ymini);
getch();
closegraph();
}

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