C++ For this program, you will implement the ShapeBuilder class in C++. The Shap

ID: 3832611 • Letter: C

Question

C++

For this program, you will implement the ShapeBuilder class in C++.

The ShapeBuilder will ask the user what kind of shape he/she would like to build, and then ask for the appropriate dimensions of the shape.

For example, a circle will only need a diameter and a rectangle will need a height and width.

Upon definition, the ShapeBuilder will display the shape to the screen. If the user likes what he/she sees, then they have the option to save the shape to a file (“shapes.txt”). The saving operation will be performed by the ShapeSaver class, which has one saveShape function, which accepts only a Shape* object into the function.

The ShapeBuilder then asks the user if they would like to build/save another shape or to exit the program.

Implementation Details

You must implement a ShapeBuilder class, a ShapeSaver class, a Shape base class, and the following classes derived from Shape: Circle, EquilateralTriangle, and Rectangle.

A circle is defined by its diameter. Valid sizes are 1 to 80.

An equilateral triangle is defined by its edge size. Valid sizes are 1 to 80.

A rectangle is defined by its height and width. Valid sizes are 1 to 80 each.

Each class must have a separate .H and .cpp file.

The Shape class must contain:

A dynamically allocated 2-D character array

The pure virtual function “build()”, which is implemented by the derived classes

The build function will ask the user for shape dimensions, allocate the appropriate memory, and assign the appropriate values into the 2-D character array {use ‘x’ for the shape; all other characters will be spaces}

You should try to put all common information into the base Shape class. Avoid repeating member variables throughout each derived class.

All dynamically allocated memory must be freed at the appropriate moment.

Your main function will be very simple:

int main(){

ShapeBuilder sb;

sb.run();

return 0;

}

Hints

Try starting with the rectangle case. That is the simplest. Move from there to implement triangle and then circle.

Note that the indices for the data array are integers, but the triangle and circle shape representations will necessarily have cases where the perimeter of the shape lies “between” the indices. This means circles with an even numbered diameter will appear off-center. All triangles will look like a wizard’s hat at the peak. This is ok.

At the end of this document, there are sample representations for circle and triangle.

Your implementation need not follow these representations exactly. However, your shapes must be able to be interpreted “as a circle” or “as an equilateral triangle” or “as a rectangle”. That is, you should be close to those representations, if not exact.

Example Program Output

What kind of shape would you like to build?

Enter c for circle.

Enter r for rectangle.

Enter t for isosceles triangle.

Selection: c

You selected circle.

What would you like your circle's diameter to be: 21

Here is your shape:

xxxxxxxxx

xxxxxxxxxxxxx

xxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxx

xxxxxxxxxxxxx

xxxxxxxxx

Would you like to save your shape (y for yes): y

Shape saved.

Would you like to keep going (y for yes): y

What kind of shape would you like to build?

Enter c for circle.

Enter r for rectangle.

Enter t for isosceles triangle.

Selection: c

You selected circle.

What would you like your circle's diameter to be: 8

Here is your shape:

xxxxx

xxxxxxx

xxxxxxxx

xxxxxxx

Would you like to save your shape (y for yes): y

Shape saved.

Would you like to keep going (y for yes): y

What kind of shape would you like to build?

Enter c for circle.

Enter r for rectangle.

Enter t for isosceles triangle.

Selection: r

You selected rectangle.

What would you like your rectangle width to be: 8

What would you like your rectangle height to be: 11

Here is your shape:

xxxxxxxx

Would you like to save your shape (y for yes): y

Shape saved.

Would you like to keep going (y for yes): y

What kind of shape would you like to build?

Enter c for circle.

Enter r for rectangle.

Enter t for isosceles triangle.

Selection: t

You selected isosceles triangle.

What would you like your triangle's edge length to be: 6

Here is your shape:

xxx

xxxx

xxxxx

xxxxxx

Would you like to save your shape (y for yes): y

Shape saved.

Would you like to keep going (y for yes): n

The contents of shapes.txt are as follows:

xxxxxxxxx

xxxxxxxxxxxxx

xxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxx

xxxxxxxxxxxxx

xxxxxxxxx

xxxxx

xxxxxxx

xxxxxxxx

xxxxxxx

xxxxxxxx

xxx

xxxx

xxxxx

xxxxxx

The first seven representations for both circle and triangle:

Circle:

xxx

xxxx

xxxxx

xxxxxx

xxxxx

xxxxxxx

xxxxx

Triangle:

xxx

xxxx

xxx

xxxx

xxxxx

xxx

xxxx

xxxxx

xxxxxx

xxx

xxxx

xxxxx

xxxxxx

xxxxxxx

Explanation / Answer

#include <iostream>
using namespace std;
int main()
{
char ch,che;
cout<<" What Kind of Shapes would you like to build:";
cout<<" Enter c for Circle";
cout<<" Enter r for Rectangle";
cout<<" Enter t for Isoceles Triangle";
cout<<" Selection";
cin>>ch;
switch(ch)
{
case 'c':
int diameter;
cout<<endl;
cout<<"You Selected Circle"<<endl;
cout<<"Enter the diameter:";
cin>>diameter;
cout<<endl;
for(int i=0;i<2*diameter;i++)
{
for(int j=0;j<2*diameter;j++)
{
if(i*i+j*j==diameter*diameter)
{
cout<<"*";
}
else
{
cout<<"*";
}
}
cout<<endl;
}
break;
case 'r':
int width,height;
cout<<endl;
cout<<"You Selected Rectangle"<<endl;
cout<<"Enter the width:";
cin>>width;
cout<<"Enter the Height:";
cin>>height;
cout<<endl;
for(int i=1; i<=height; i++)
{
   for (int j=1;j<=width;j++)
   {
   cout <<'*';
   }
   cout<<endl;
}
break;
case 't':
int length;
cout<<" You Selected Triangle" <<endl;
cout<<" Enter the Length of the Triangle:";
cin>>length;
cout<<endl;
for(int i=0;i<length;i++)
{
for(int j=0;j<i;++j)
{
cout<<"*";
}
cout<<endl;
}
break;
}
cout<<" Would you like to save your shape(Y for Yes):";
cin>>che;
if(che=='Y' || che=='y')
{
cout<<" Shape Saved";
}
else
{
cout<<" Program Exits";
}
return 0;
}

OUTPUT

What Kind of Shapes would you like to build:
Enter c for Circle
Enter r for Rectangle
Enter t for Isoceles Triangle
Selection
You Selected Rectangle
Enter the width:Enter the Height:
********
********
********
********
********
********
********
********
********
********
********
Would you like to save your shape(Y for Yes):
Shape Saved

What Kind of Shapes would you like to build:
Enter c for Circle
Enter r for Rectangle
Enter t for Isoceles Triangle
Selection
You Selected Triangle
Enter the Length of the Triangle:
*
**
***
****
*****
Would you like to save your shape(Y for Yes):
Program Exits

Navigate

C++ For this problem, you will design and implement 2 classes and then write a d

C++ For this project you need to implement a scientific calculator program. This

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.

C++ For this program, you will implement the ShapeBuilder class in C++. The Shap

Question

Explanation / Answer

Related Questions

Navigate