private void view_MouseClick(object sender, EventArgs e)
{
Point p = view.PointToClient(Cursor.Position);
int i = listP.Items.Count - 1;
if (i > 2)
{
myPoint A = (myPoint)listP.Items[i];
while ((((myPoint)listP.Items[i]).det == false) && (i != 0))
{
i--;
}
myPoint B = (myPoint)listP.Items[i];
if (p.X != B.X || p.Y != B.Y)
{
AbsDraw(p.X, p.Y);
}
else
{
closeFigure(A.X, A.Y, B.X, B.Y);
}
}
else
{
AbsDraw(p.X, p.Y);
}
}
private void endP_Click(object sender, EventArgs e)
{
int i = listP.Items.Count - 1;
myPoint A = (myPoint)listP.Items[i];
while ((((myPoint)listP.Items[i]).det == false) && (i != 0))
{
i--;
}
myPoint B = (myPoint)listP.Items[i];
closeFigure(A.X, A.Y, B.X, B.Y);
}
// Addition points by hand
private void handAdd_Click(object sender, EventArgs e)
{
int x, y;
try
{
x = int.Parse(edtX.Text);
y = int.Parse(edtY.Text);
}
catch
{
if (MessageBox.Show("Invalid input! Coordinates must be only integer values.", "Error", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error) == DialogResult.Cancel)
{
Close();
}
return;
}
int i = listP.Items.Count - 1;
if (i > 1)
{
myPoint a = (myPoint)listP.Items[i];
while ((((myPoint)listP.Items[i]).det == false) && (i != 0))
{
i--;
}
myPoint b = (myPoint)listP.Items[i];
if (x != b.X || y != b.Y)
{
AbsDraw(x, y);
}
else
{
closeFigure(a.X, a.Y, b.X, b.Y);
}
}
else
{
AbsDraw(x, y);
}
}
// Draw absolute pixel
private void AbsDraw(int x, int y)
{
myPoint A = new myPoint(x, y, last), B;
view.Image = BMP;
Color color = Color.Black;
if (last)
{
listP.Items.Add(A);
BMP.SetPixel(A.X, A.Y, color);
last = false;
}
else
{
B = (myPoint)listP.Items[listP.Items.Count - 1];
listP.Items.Add(A);
LineTo(B.X, B.Y, A.X, A.Y, color);
}
Zag = true;
}