private void view_Click(object sender, EventArgs e)
{
Point p = view.PointToClient(System.Windows.Forms.Cursor.Position);
if (radConfig.Checked)
{
SetPointDraw(p.X, p.Y);
}
if (radPO.Checked)
{
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];
closeFigure(a.X, a.Y, b.X, b.Y);
}
SetSeedPixel(p.X, p.Y);
}
view.Refresh();
}
private void ADraw(int x, int y, int k)
{
myPoint a = new myPoint(x, y, detc), b;
view.Image = BMP;
Color color = Color.Black;
Graphics g = Graphics.FromImage(view.Image);
if (k != 1 || detc)
{
if (detc)
{
listP.Items.Add(a);
BMP.SetPixel(a.X, a.Y, color);
detc = false;
}
else
{
b = (myPoint)listP.Items[listP.Items.Count - 1];
listP.Items.Add(a);
DrLine(b.X, b.Y, a.X, a.Y, color);
}
}
Zag = true;
}
private void SetPointDraw(int x, int y)
{
int i = listP.Items.Count - 1;
int k = 0;
if (i > 0)
{
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)
{
ADraw(x, y, k);
}
else
{
closeFigure(a.X, a.Y, b.X, b.Y);
}
}
else
{
ADraw(x, y, k);
}
}
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);
}
private void SetSeedPixel(int x, int y)
{
myPoint a = new myPoint(x, y, false);
Color color = BMP.GetPixel(x, y);
if (color.A == 0)
{
BMP.SetPixel(x, y, Color.Green);
listCh.Items.Add(a);
}
else
{
MessageBox.Show("Unable to enter the seed pixel in place of another seed pixel or border!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
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;
}
if (radConfig.Checked)
{
SetPointDraw(x, y);
}
if (radPO.Checked)
{
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];
closeFigure(a.X, a.Y, b.X, b.Y);
}
SetSeedPixel(x, y);
}
view.Refresh();
}
private void Fill_Click(object sender, EventArgs e)
{
Color colorR = Color.Green, colorB = Color.Black, colorP = Color.FromArgb(0);
int x, y;
int xLeft, xRight;
int i, n;
bool det1, det2, det3;
Stack <myPoint> myStack = new Stack <myPoint>();
myPoint a;
while (listCh.Items.Count != 0)
{
n = listCh.Items.Count;
myStack.Push((myPoint)listCh.Items[n - 1]);
listCh.Items.RemoveAt(n - 1);
}
while (myStack.Count != 0)
{
a = myStack.Pop();
x = a.X;
y = a.Y;
xLeft = x - 1;
det3 = false;
BMP.SetPixel(x, y, colorR);
while (BMP.GetPixel(xLeft, y).ToArgb() == colorP.ToArgb())
{
det3 = false;
BMP.SetPixel(xLeft, y, colorR);
xLeft--;
}
xLeft++;
xRight = x + 1;
while (BMP.GetPixel(xRight, y).ToArgb() == colorP.ToArgb())
{
det3 = false;
BMP.SetPixel(xRight, y, colorR);
xRight++;
}
xRight--;
if (det3)
{
continue;
}
det1 = true; det2 = true;
for (i = xLeft; i <= xRight; i++)
{
if (det1 && (BMP.GetPixel(i, y - 1).ToArgb() == colorB.ToArgb() || BMP.GetPixel(i, y - 1).ToArgb() == colorR.ToArgb()))
{
det1 = false;
}
if (det2 && (BMP.GetPixel(i, y + 1).ToArgb() == colorB.ToArgb() || BMP.GetPixel(i, y + 1).ToArgb() == colorR.ToArgb()))
{
det2 = false;
}
if (BMP.GetPixel(i, y - 1).ToArgb() == colorP.ToArgb() && BMP.GetPixel(i - 1, y - 1).ToArgb() == colorB.ToArgb())
{
a = new myPoint(i, y - 1, false);
myStack.Push(a);
det1 = false;
}
if (BMP.GetPixel(i, y - 1).ToArgb() == colorP.ToArgb() && BMP.GetPixel(i + 1, y - 1).ToArgb() == colorB.ToArgb())
{
a = new myPoint(i, y - 1, false);
myStack.Push(a);
det1 = false;
}
if (BMP.GetPixel(i, y + 1).ToArgb() == colorP.ToArgb() && BMP.GetPixel(i - 1, y + 1).ToArgb() == colorB.ToArgb())
{
a = new myPoint(i, y + 1, false);
myStack.Push(a);
det2 = false;
}
if (BMP.GetPixel(i, y + 1).ToArgb() == colorP.ToArgb() && BMP.GetPixel(i + 1, y + 1).ToArgb() == colorB.ToArgb())
{
a = new myPoint(i, y + 1, false);
myStack.Push(a);
det2 = false;
}
}
if (det1)
{
a = new myPoint(x, y - 1, false);
myStack.Push(a);
}
if (det2)
{
a = new myPoint(x, y + 1, false);
myStack.Push(a);
}
view.Refresh();
}
}