private void btnTinh_Click(object sender, EventArgs e)
{
try
{
double canhA = double.Parse(txtCanhA.Text);
double canhB = double.Parse(txtCanhB.Text);
double canhC = double.Parse(txtCanhC.Text);
HinhTamGiac htg = new HinhTamGiac();
htg.CanhA = canhA;
htg.CanhB = canhB;
htg.CanhC = canhC;
lblChuVi.Text =
String.Format("Chu Vi: {0}", htg.ChuVi());
lblDienTich.Text =
String.Format("Diện Tích: {0}", htg.DienTich());
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void panel2_MouseClick(object sender, MouseEventArgs e)
{
int x = e.X;
int y = e.Y;
if (chedo == 1)
{
this.rsPoint();
if (hinh == 1) //hcn
{
if (p1.X == -1)
{
p1.X = Pixel.RoundPixel(x);
p1.Y = Pixel.RoundPixel(y);
Pixel.HienThi(p1, g, this.color);
}
else if (p2.X == -1)
{
p2.X = Pixel.RoundPixel(x);
p2.Y = Pixel.RoundPixel(y);
HinhChuNhat hcn = new HinhChuNhat(p1, p2, this.color);
//this.AX.Text = "( " + hcn.A.X/5 + " , " + hcn.A.Y/5 + " )";
//this.BX.Text = "( " + hcn.B.X/5 + " , " + hcn.B.Y/5 + " )";
//this.CX.Text = "( " + hcn.C.X/5 + " , " + hcn.C.Y/5 + " )";
//this.DX.Text = "( " + hcn.D.X/5 + " , " + hcn.D.Y/5 + " )";
this.AX.Text = Pixel.chuyenToaDoNgDg(hcn.A);
this.BX.Text = Pixel.chuyenToaDoNgDg(hcn.B);
this.CX.Text = Pixel.chuyenToaDoNgDg(hcn.C);
this.DX.Text = Pixel.chuyenToaDoNgDg(hcn.D);
hcn.Draw(g);
p1.X = -1;
p2.X = -1;
}
}
else if (hinh == 2) //eclip
{
if (p1.X == -1)
{
p1.X = Pixel.RoundPixel(x);
p1.Y = Pixel.RoundPixel(y);
Pixel.HienThi(p1, g, this.color);
}
else if (p2.X == -1)
{
p2.X = Pixel.RoundPixel(x);
p2.Y = p1.Y;
Pixel.HienThi(p2, g, this.color);
}
else if (p3.X == -1)
{
p3.X = p1.X;
p3.Y = Pixel.RoundPixel(y);
this.AX.Text = Pixel.chuyenToaDoNgDg(p1);
this.BX.Text = Pixel.chuyenToaDoNgDg(p2);
this.CX.Text = Pixel.chuyenToaDoNgDg(p3);
Pixel.HienThi(p1, g, color);
int a = Pixel.distancePoint(p1, p2);
int b = Pixel.distancePoint(p1, p3);
Elip el = new Elip(p1, a, b, this.color);
el.Draw(g);
p1.X = -1;
p2.X = -1;
p3.X = -1;
}
}
else if (hinh == 3) //tron
{
if (p1.X == -1)
{
p1.X = Pixel.RoundPixel(x);
p1.Y = Pixel.RoundPixel(y);
Pixel.HienThi(p1, g, this.color);
}
else if (p2.X == -1)
{
p2.X = Pixel.RoundPixel(x);
p2.Y = Pixel.RoundPixel(y);
this.AX.Text = Pixel.chuyenToaDoNgDg(p1);
this.BX.Text = Pixel.chuyenToaDoNgDg(p2);
Pixel.HienThi(p1, g, color);
HinhTron ht = new HinhTron(Pixel.distancePoint(p1, p2), p1, this.color);
ht.Draw(g);
p1.X = -1;
p2.X = -1;
}
}
else if (hinh == 4) //tam giac
{
if (p1.X == -1)
{
p1.X = Pixel.RoundPixel(x);
p1.Y = Pixel.RoundPixel(y);
Pixel.HienThi(p1, g, this.color);
}
else if (p2.X == -1)
{
p2.X = Pixel.RoundPixel(x);
p2.Y = Pixel.RoundPixel(y);
Pixel.HienThi(p2, g, this.color);
}
else if (p3.X == -1)
{
p3.X = Pixel.RoundPixel(x);
p3.Y = Pixel.RoundPixel(y);
this.AX.Text = Pixel.chuyenToaDoNgDg(p1);
this.BX.Text = Pixel.chuyenToaDoNgDg(p2);
this.BX.Text = Pixel.chuyenToaDoNgDg(p3);
HinhTamGiac htg = new HinhTamGiac(p1, p2, p3, color);
htg.Draw(g);
p1.X = -1;
p2.X = -1;
p3.X = -1;
}
}
else if (hinh == 5) //line
{
if (p1.X == -1)
{
p1.X = Pixel.RoundPixel(x);
p1.Y = Pixel.RoundPixel(y);
Pixel.HienThi(p1, g, color);
}
else if (p2.X == -1)
{
p2.X = Pixel.RoundPixel(x);
p2.Y = Pixel.RoundPixel(y);
this.AX.Text = Pixel.chuyenToaDoNgDg(p1);
this.BX.Text = Pixel.chuyenToaDoNgDg(p2);
Line l = new Line(p1, p2, color);
l.Draw(g);
p1.X = -1;
p2.X = -1;
}
}
else if (hinh == 6)
{
if (p1.X == -1)
{
p1.X = Pixel.RoundPixel(x);
p1.Y = Pixel.RoundPixel(y);
Pixel.HienThi(p1, g, color);
}
else if (p2.X == -1)
{
p2.X = p1.X;
p2.Y = Pixel.RoundPixel(y);
this.AX.Text = Pixel.chuyenToaDoNgDg(p1);
this.BX.Text = Pixel.chuyenToaDoNgDg(p2);
Pixel.HienThi(p1, g, Color.White);
Star star = new Star(p1, Math.Abs(p1.Y - p2.Y), color);
star.Draw(g);
p1.X = -1;
p2.X = -1;
}
}
}
else if (chedo == 2)
{
}
}
