125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
#include<iostream>
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#include<graphics.h>
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#include<cmath>
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using namespace std;
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int main()
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{
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int gd = DETECT,gm;
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initgraph(&gd,&gm,NULL);
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int b[3][3];
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int d;
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cout<<"Enter value of x1: ";
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cin>>b[0][0];
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cout<<"Enter value of y1: ";
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cin>>b[1][0];
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cout<<"Enter value of x2: ";
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cin>>b[0][1];
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cout<<"Enter value of y2: ";
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cin>>b[1][1];
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cout<<"Enter value of x3: ";
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cin>>b[0][2];
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cout<<"Enter value of y3: ";
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cin>>b[1][2];
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b[2][0] = b[2][1] = b[2][2];
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setcolor(RED);
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line(b[0][0],b[1][0],b[0][1],b[1][1]);
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line(b[0][1],b[1][1],b[0][2],b[1][2]);
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line(b[0][2],b[1][2],b[0][0],b[1][0]);
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delay(5000);
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cout<<"\nYour Choices Are!! \n";
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cout<<"1. Translation: \n2. Scaling: \n3. Rotation: ";
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cout<<"\nEnter your choice: ";
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cin>>d;
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switch(d)
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{
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case 1:
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{
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float a[3][3],c[3][3];
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cout<<"\nEnter value value of tx and ty: ";
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cin>>a[0][2]>>a[1][2];
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a[0][0] = a[1][1] = a[2][2] = 1;
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a[1][0] = a[2][0] = a[0][1] = a[2][1] = 0;
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for(int i = 0; i<3; i++)
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{
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for(int j = 0; j<3; j++)
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{
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c[i][j] = 0;
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for(int k = 0; k<3; k++)
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{
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c[i][j]+=a[i][k]*b[k][j];
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}
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}
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}
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setcolor(BLUE);
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line(c[0][0],c[1][0],c[0][1],c[1][1]);
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line(c[0][1],c[1][1],c[0][2],c[1][2]);
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line(c[0][2],c[1][2],c[0][0],c[1][0]);
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delay(5000);
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break;
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}
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case 2:
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{
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float sx,sy;
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float a[3][3],c[3][3];
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cout<<"\nEnter value value of sx and sy: ";
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cin>>a[0][0]>>a[1][1];
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a[2][2] = 1;
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a[0][1] = a[0][2] = a[1][0] = a[1][2] = a[2][0] = a[2][1] = 0;
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for(int i = 0; i<3; i++)
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{
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for(int j = 0; j<3; j++)
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{
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c[i][j] = 0;
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for(int k = 0; k<3; k++)
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{
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c[i][j]+=a[i][k]*b[k][j];
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}
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}
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}
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setcolor(BLUE);
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line(c[0][0],c[1][0],c[0][1],c[1][1]);
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line(c[0][1],c[1][1],c[0][2],c[1][2]);
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line(c[0][2],c[1][2],c[0][0],c[1][0]);
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delay(5000);
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break;
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}
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case 3:
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{
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float z, A;
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float a[3][3];
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float c[3][3];
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cout<<"\nEnter the angle: ";
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cin>>z;
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A = (z*3.14)/180;
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a[2][2] = 1;
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a[0][2] = a[1][2] = a[2][0] = a[2][1] = 0;
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a[0][0] = a[1][1] = cos(A);
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a[0][1] = sin(A);
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a[1][0] = (-sin(A));
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for(int i = 0; i<3; i++)
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{
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for(int j = 0; j<3; j++)
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{
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c[i][j] = 0;
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for(int k = 0; k<3; k++)
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{
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c[i][j]+=a[i][k]*b[k][j];
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}
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}
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}
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setcolor(BLUE);
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line(c[0][0],c[1][0],c[0][1],c[1][1]);
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line(c[0][1],c[1][1],c[0][2],c[1][2]);
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line(c[0][2],c[1][2],c[0][0],c[1][0]);
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delay(5000);
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break;
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}
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default:
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cout<<"\nEnter valid choice!!";
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break;
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}
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return 0;
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}
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