PersonBuilder.cs
using System.Drawing;
namespace WindowsFormsApp1
{
abstract class PersonBuilder
{
protected Graphics _g;
protected Pen _p;
public PersonBuilder(Graphics _g,Pen _p)
{
this._g = _g;
this._p = _p;
}
public abstract void BuildHead();
public abstract void BuildBody();
public abstract void BuildArmLeft();
public abstract void BuildArmRight();
public abstract void BuildLegLeft();
public abstract void BuildLegRight();
}
}
PersonFatBuilder.cs
using System.Drawing;
namespace WindowsFormsApp1
{
class PersonFatBuilder : PersonBuilder
{
public PersonFatBuilder(Graphics _g, Pen _p) : base(_g, _p) { }
public override void BuildArmLeft()
{
_g.DrawLine(_p, 50, 50, 30, 100); // Arm Left
}
public override void BuildArmRight()
{
_g.DrawLine(_p, 80, 50, 100, 100); // Arm Right
}
public override void BuildBody()
{
_g.DrawEllipse(_p, 45, 50, 40, 50); // Body
}
public override void BuildHead()
{
_g.DrawEllipse(_p, 50, 20, 30, 30); // Head
}
public override void BuildLegLeft()
{
_g.DrawLine(_p, 60, 100, 45, 150); // Leg Left
}
public override void BuildLegRight()
{
_g.DrawLine(_p, 70, 100, 85, 150); // Leg Right
}
}
}
PersonThinBuilder.cs
using System.Drawing;
namespace WindowsFormsApp1
{
class PersonThinBuilder : PersonBuilder
{
public PersonThinBuilder(Graphics _g, Pen _p) : base(_g, _p) { }
public override void BuildArmLeft()
{
_g.DrawLine(_p, 60, 50, 40, 100); // Left hand
}
public override void BuildArmRight()
{
_g.DrawLine(_p, 70, 50, 90, 100); // Right hand
}
public override void BuildBody()
{
_g.DrawRectangle(_p, 60, 50, 10, 50); // Body
}
public override void BuildHead()
{
_g.DrawEllipse(_p, 50, 20, 30, 30); // Head
}
public override void BuildLegLeft()
{
_g.DrawLine(_p, 60, 100, 45, 150); // Left Leg
}
public override void BuildLegRight()
{
_g.DrawLine(_p, 70, 100, 85, 150); // Leg Right
}
}
}
PersonDirector.cs
namespace WindowsFormsApp1
{
class PersonDirector
{
private PersonBuilder _builder;
public PersonDirector(PersonBuilder _builder)
{
this._builder = _builder;
}
public void CreatePerson()
{
_builder.BuildHead();
_builder.BuildBody();
_builder.BuildArmLeft();
_builder.BuildArmRight();
_builder.BuildLegLeft();
_builder.BuildLegRight();
}
}
}
MainForm.cs
using System.Drawing;
using System.Windows.Forms;
namespace WindowsFormsApp1
{
public partial class MainForm : Form
{
public MainForm()
{
InitializeComponent();
pictureBox1.Paint += new PaintEventHandler(delegate {
Pen p = new Pen(Color.Red,5);
Graphics g = pictureBox1.CreateGraphics();
PersonDirector director = new PersonDirector(new PersonThinBuilder(g, p));
director.CreatePerson();
});
pictureBox2.Paint += new PaintEventHandler(delegate
{
Pen p = new Pen(Color.Black,5);
Graphics g = pictureBox2.CreateGraphics();
PersonDirector director = new PersonDirector(new PersonFatBuilder(g, p));
director.CreatePerson();
});
}
}
}