#include <stdio.h>
typedef struct
{
int x, y;
} Point;
void printPoint( Point *p )
{
printf("(%d, %d) ", p->x, p->y );
}
Point *newPoint()
{
Point *p = (Point *)malloc( sizeof( Point ) );
p->x=0;
p->y=0;
return p;
}
void setPoint( Point *p, int x, int y )
{
p->x = x; p->y = y;
}
typedef struct
{
int red, green, blue;
} Color;
Color *newColor()
{
Color *c = (Color *)malloc( sizeof( Color ) );
c->red=0;
c->green=0;
c->blue=0;
return c;
}
/* function to set a Color */
void setColor( Color *c, int r, int g, int b )
{
if ( r<0 || r>255 ) r = 0;
if ( g<0 || g>255 ) g = 0;
if ( b<0 || b>255 ) b = 0;
c->red = r;
c->green = g;
c->blue = b;
}
void printColor( Color *c )
{
printf("%3d red, %3d grn, %3d blu", c->red, c->green, c->blue );
}
typedef struct
{
Point *p0, *p1, *p2;
Color *color;
} TriangleMod;
void printTriangleMod( TriangleMod *t )
{
printf("Points: ");
printPoint( t->p0 ); printPoint( t->p1 ); printPoint( t->p2 );
printf("\nColor: ");
printColor( t->color );
printf("\n");
}
TriangleMod *newTriangleMod()
{
TriangleMod *tm;
tm = (TriangleMod *)malloc( sizeof( TriangleMod ) );
tm->p0 = newPoint();
tm->p1 = newPoint();
tm->p2 = newPoint();
tm->color = newColor();
return tm;
}
int main()
{
TriangleMod *trimod = newTriangleMod();
printTriangleMod( trimod );
/* Initialize trimod here */
trimod->p0->x = 45;
trimod->p0->y = 97;
trimod->p1->x = 75;
trimod->p1->y = 80;
trimod->p2->x = 0;
trimod->p2->y = 0;
trimod->color->red = 120;
trimod->color->green = 240;
trimod->color->blue = 50;
/* Print out trimod here */
printTriangleMod( trimod );
/* Free dynamic memory */
free( trimod->color);
free( trimod->p0);
free( trimod->p1);
free( trimod->p2);
free( trimod );
system( "pause" );
}
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