private void Form1_MouseUp(object sender, MouseEventArgs e)
{
if (estado == EstadoActual.rectangulo && dibujando == true)
{
rectangulo r = new rectangulo(tempx, tempy, e.X - tempx, e.Y - tempy);
dibujando = false;
r.Dibuja(this);
figura.Add(r);
}
else if (estado == EstadoActual.elipse && dibujando == true)
{
elipse c = new elipse(tempx, tempy, e.X - tempx, e.Y - tempy);
dibujando = false;
c.Dibuja(this);
figura.Add(c);
}
else if (estado == EstadoActual.linea && dibujando == true)
{
dibujando = false;
this.label1.Text = string.Format("X={0} Y={1}", tempx, tempy);
linea l = new linea(tempx, tempy, e.X, e.Y);
l.Dibuja(this);
figura.Add(l);
}
}
private void panel1_MouseClick(object sender, MouseEventArgs e)
{
if (hinh == -1)
{
MessageBox.Show("Chọn hình để vẽ trước");
this.Refresh();
return;
}
mouse.X -= 179;
mouse.Y -= 152;
int a = mouse.X - 375;
int b = mouse.Y - 250;
g.FillRectangle(brush, mouse.X, mouse.Y, 3, 3);
diem[i] = new Point(a + 375, b + 250);
//duong thang
//ve hinh binh hanh
if (hinh == 0)
{
int temp = i + 1;
if (i > 0)
{
if (temp % 4 == 0)
{
//ve hinh thang mat tren cua hinh hop
Line AB = new Line(0, 0, 0, 0, Color.Black);
Line BC = new Line(0, 0, 0, 0, Color.Black);
Line CD = new Line(0, 0, 0, 0, Color.Black);
Line DA = new Line(0, 0, 0, 0, Color.Black);
Point D = new Point();
D.X = diem[i - 2].X;
D.Y = diem[i - 3].Y;
Point C = new Point();
C.X = diem[i - 1].X - (diem[i - 3].X - diem[i - 2].X);
C.Y = diem[i - 1].Y;
AB.setdiemdau(diem[i - 3]);
AB.setdiemcuoi(diem[i - 1]);
BC.setdiemdau(diem[i - 1]);
BC.setdiemcuoi(C);
CD.setdiemdau(C);
CD.setdiemcuoi(D);
DA.setdiemdau(D);
DA.setdiemcuoi(diem[i - 3]);
AB.DDA_Line(this.panel1.CreateGraphics());
BC.DDA_Line(this.panel1.CreateGraphics());
CD.DDA_Line(this.panel1.CreateGraphics());
DA.DDA_Line(this.panel1.CreateGraphics());
// ve hinh thang mat day hop
Line EF = new Line(0, 0, 0, 0, Color.Black);
Line FG = new Line(0, 0, 0, 0, Color.Black);
Line GH = new Line(0, 0, 0, 0, Color.Black);
Line HE = new Line(0, 0, 0, 0, Color.Black);
Point E = new Point();
E.X = diem[i - 3].X;
E.Y = diem[i].Y;
Point F = new Point();
F.X = diem[i - 1].X;
F.Y = C.Y - (diem[i - 3].Y - E.Y);
Point G = new Point();
G.X = C.X;
G.Y = C.Y - (diem[i - 3].Y - E.Y);
Point H = new Point();
H.X = D.X;
H.Y = diem[i].Y;
EF.setdiemdau(E);
EF.setdiemcuoi(F);
FG.setdiemdau(F);
FG.setdiemcuoi(G);
GH.setdiemdau(G);
GH.setdiemcuoi(H);
HE.setdiemdau(H);
HE.setdiemcuoi(E);
EF.DDA_Line(this.panel1.CreateGraphics());
FG.DDA_Line(this.panel1.CreateGraphics());
GH.DDA_Line_NetDut(this.panel1.CreateGraphics());
HE.DDA_Line_NetDut(this.panel1.CreateGraphics());
//noi 2 hinh nop lai voi nhau
Line AE = new Line(diem[i - 3].X, diem[i - 3].Y, E.X, E.Y, Color.Black);
Line BF = new Line(diem[i - 1].X, diem[i - 1].Y, F.X, F.Y, Color.Black);
Line CG = new Line(C.X, C.Y, G.X, G.Y, Color.Black);
Line DH = new Line(D.X, D.Y, H.X, H.Y, Color.Black);
AE.DDA_Line(this.panel1.CreateGraphics());
BF.DDA_Line(this.panel1.CreateGraphics());
CG.DDA_Line(this.panel1.CreateGraphics());
DH.DDA_Line_NetDut(this.panel1.CreateGraphics());
}
}
}
//ve hinh cau
else if (hinh == 1)
{
if (i > 0)
{
if (i % 2 != 0)
{
int r = Math.Abs(diem[i].X - diem[i - 1].X);
circle tr = new circle(diem[i].X, diem[i].Y, r);
tr.drawC(g);
elipse elip = new elipse(diem[i], r, r / 2);
elip.Midpoint_elipse1(g);
}
}
}
i++;
}