private void PictureBox1_MouseMove(object sender, MouseEventArgs e)
{
List <Point> l = new List <Point>();
if (down.X != -1)
{
if (flag.Equals("Ret"))
{
p.Draw(white, image);
l.Add(new Point(Math.Min(e.X, down.X), Math.Min(e.Y, down.Y)));
l.Add(new Point(Math.Abs(down.X - e.X) + Math.Min(e.X, down.X), Math.Min(e.Y, down.Y)));
l.Add(new Point(Math.Max(e.X, down.X), Math.Max(e.Y, down.Y)));
l.Add(new Point(Math.Min(e.X, down.X), Math.Abs(down.Y - e.Y) + Math.Min(e.Y, down.Y)));
p = new Poligono(l, 'R');
p.Draw(color, image);
}
else if (flag.Equals("Circ"))
{
Primitivas.ponto_medio_circunf(down.X, down.Y, old.X, old.Y, white, image);
Primitivas.ponto_medio_circunf(down.X, down.Y, e.X, e.Y, color, image);
}
else if (flag.Equals("Elip"))
{
Primitivas.ponto_medio_elipse(down.X, down.Y, old.X, old.Y, white, image);
Primitivas.ponto_medio_elipse(down.X, down.Y, e.X, e.Y, color, image);
}
else if (flag.Equals("Reta"))
{
Primitivas.bresenham(down.X, down.Y, old.X, old.Y, white, image);
Primitivas.bresenham(down.X, down.Y, e.X, e.Y, color, image);
}
else if (flag.Equals("Livre"))
{
Primitivas.bresenham(liv.X, liv.Y, e.X, e.Y, color, image);
liv = e.Location;
}
else if (flag.Equals("Pol"))
{
Primitivas.bresenham(down.X, down.Y, old.X, old.Y, white, image);
Primitivas.bresenham(down.X, down.Y, e.X, e.Y, color, image);
}
old = e.Location;
pbMain.Image = image;
}
lbX.Text = e.X + "";
lbY.Text = e.Y + "";
}
public void SetPoligono(Object o)
{
this.p = (Poligono)o;
pictureBox1.Width = Width - 15;
pictureBox1.Height = Height - 45;
pictureBox1.Location = new Point(Location.X, Location.Y);
image = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Point centro = p.Centro();
Point min = p.MinPoint(), max = p.MaxPoint();
p.Escala(((double)Width - 15) / (max.X - min.X), ((double)Height - 45) / (max.Y - min.Y));
p.Translacao(-min.X, -min.Y);
p.Draw(Color.Black, image);
pictureBox1.Image = image;
}
private void ListBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (lvPolig.SelectedIndex > -1)
{
p = (Poligono)lvPolig.Items[lvPolig.SelectedIndex];
p.Draw(Color.Red, image);
DataTable dt = new DataTable();
dt.Columns.Add("X");
dt.Columns.Add("Y");
foreach (Point pts in p.PontosAtuais)
{
DataRow dr = dt.NewRow();
dr["X"] = pts.X;
dr["Y"] = pts.Y;
dt.Rows.Add(dr);
}
gbTrans.Enabled = true;
dataGridView1.DataSource = dt;
pbMain.Image = image;
}
}
private void BtTransformar_Click(object sender, EventArgs e)
{
p.Draw(white, image);
string select = cbTransf.Text;
double x = tbX.Text.Equals("") ? 0 : double.Parse(tbX.Text), y = tbY.Text.Equals("") ? 0 : double.Parse(tbY.Text);
Point ponto_aux = new Point();
if (select.Equals("ScanLine"))
{
cdCor.ShowDialog();
p.ScanLine(image, cdCor.Color);
}
else
if (select.Equals("Translação"))
{
p.Translacao(x, y);
}
else if (select.Equals("Rotação"))
{
if (rbEixo.Checked)
{
ponto_aux = p.Centro();
}
else if (rbPonto.Checked)
{
ponto_aux = new Point(int.Parse(tbPFx.Text), int.Parse(tbPFy.Text));
}
if (rbEixo.Checked || rbPonto.Checked)
{
p.Translacao(ponto_aux.X, ponto_aux.Y);
}
p.Rotacao(x * Math.PI / 180.0);
if (rbEixo.Checked || rbPonto.Checked)
{
p.Translacao(-ponto_aux.X, -ponto_aux.Y);
}
}
else
{
if (rbEixo.Checked)
{
ponto_aux = p.CentroAtual();
}
else if (rbPonto.Checked)
{
ponto_aux = new Point(int.Parse(tbPFx.Text), int.Parse(tbPFy.Text));
}
if (rbEixo.Checked || rbPonto.Checked)
{
p.Translacao(p.Centro().X, p.Centro().Y);
}
if (select.Equals("Escala"))
{
p.Escala(x, y);
}
else if (select.Equals("Cisalhamento"))
{
p.Cisalhamento(x, y);
}
else if (select.Equals("Espelhamento"))
{
p.Espelhamento(x, y);
}
if (rbEixo.Checked || rbPonto.Checked)
{
p.Translacao(-ponto_aux.X, -ponto_aux.Y);
}
}
p.Draw(Color.Black, image);
pbMain.Image = image;
}