Wednesday, 6 November 2013

[NEW] Window to ViewPort Mapping | Computer Graphics Lab Manual | IT department | Final Year




5(b)PROGRAM:
#include
#include
#include
#include
void main()
{float sx,sy;
 int w1,w2,w3,w4,x1,x2,x3,x4,y1,y2,y3,y4,v1,v2,v3,v4;
 int gd=DETECT,gm;
 initgraph(&gd,&gm,"c:\\tc\\bgi");
 printf("Enter The Coordinate x1,y1,x2,y2,x3,y3\n");
 scanf("%d%d%d%d%d%d",&x1,&y1,&x2,&y2,&x3,&y3);
 cleardevice();
 w1=5;
 w2=5;
 w3=635;
 w4=465;
 rectangle(w1,w2,w3,w4);
 line(x1,y1,x2,y2);
 line(x2,y2,x3,y3);
 line(x3,y3,x1,y1);
 getch();
 v1=425;
 v2=75;
 v3=550;
 v4=250;
 sx=(float)(v3-v1)/(w3-w1);
 sy=(float)(v4-v2)/(w4-w2);
 rectangle(v1,v2,v3,v4);
 x1=v1+floor(((float)(x1-w1)*sx)+.5);
 x2=v1+floor(((float)(x2-w1)*sx)+.5);
 x3=v1+floor(((float)(x3-w1)*sx)+.5);
 y1=v2+floor(((float)(y1-w2)*sy)+.5);
 y2=v2+floor(((float)(y2-w2)*sy)+.5);
 y3=v2+floor(((float)(y3-w2)*sy)+.5);
 line(x1,y1,x2,y2);
 line(x2,y2,x3,y3);
 line(x3,y3,x1,y1);
 getch();
}

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