Program to show translation and scaling in 2D

//Program to show translation and scaling in 2D

#include

#include

#include

#include

void translate();

void scale();

void main()

{

int ch;

int gd=DETECT,gm;

initgraph(&gd,&gm,"e:\\tc\\bgi");

setcolor(WHITE);

outtextxy (50,50,"Object.");

rectangle(100,100,300,200);

printf("---MENU---");

printf("\n 1)Translate\n 2)Scale");

printf("\nEnter your choice: ");

scanf("%d",&ch);

cleardevice();

switch(ch)

{

case 1: translate();

break;

case 2: scale();

break;

default: printf("you have enterd wrong choice");

break;

}

getch();

closegraph();

}

void translate()

{

int tx,ty;

setcolor(WHITE);

outtextxy(240,10,"TRANSLATION");

outtextxy(238,20,"------------");

printf("\nEnter tx: ");

scanf("%d",&tx);

printf("\nEnter ty: ");

scanf("%d",&ty);

cleardevice();

setcolor(BROWN);

rectangle(100,100,300,200);

setcolor(WHITE);

outtextxy(10,250,"After Translation");

rectangle(100+tx,100+ty,300+tx,200+ty);

}

void scale()

{

int b,r;

float sx,sy;

setcolor(WHITE);

outtextxy(240,10,"SCALING");

outtextxy(238,20,"--------");

printf("\nEnter sx: ");

scanf("%f",&sx);

printf("\nEnter sy: ");

scanf("%f",&sy);

cleardevice();

r=200*sx+100;

b=100*sy+100;

outtextxy(20,250,"After");

outtextxy(10,260,"Scaling");

setcolor(BROWN);

rectangle(100,100,300,200);

setcolor(WHITE);

rectangle(100,100,r,b);

}