private void initSegmento()
{
modoseg = "er";
mstatus = false;
aux = new Bitmap(795, 462);
b = new Bitmap(795, 462);
pbsegmentos.Image = new Bitmap(795, 462);
ctrlz = new List <Bitmap>();
ctrlz.Add(new Bitmap(795, 462));
poligonos = new List <Poligono>();
polatual = null;
dtpontos = new DataTable();
dtpontos.Columns.Add("X");
dtpontos.Columns.Add("Y");
dgvpontos.DataSource = dtpontos;
dtma = new DataTable();
dtma.Columns.Add("a");
dtma.Columns.Add("c");
dtma.Columns.Add("d");
dgvma.DataSource = dtma;
dgvma.RowTemplate.Height = 46;
}
private void pbsegmentos_Click(object sender, EventArgs e)
{
if (modoseg.Equals("po"))
{
if (x1 == 0 && y1 == 0)
{
polatual = new Poligono(idpol++);
x1 = (e as MouseEventArgs).X;
y1 = (e as MouseEventArgs).Y;
polatual.addAtuais(new Ponto(x1, y1));
polatual.addOriginais(new Ponto(x2, y2));
x1pol = x1;
y1pol = y1;
}
else
{
x1 = x2;
y1 = y2;
if (Math.Abs(x2 - x1pol) < 10 && Math.Abs(y2 - y1pol) < 10)
{
x1 = 0;
y1 = 0;
poligonos.Add(polatual);
lvPoligonos.Items.Add(polatual.getId().ToString());
ctrlZ(b);
}
else
{
polatual.addAtuais(new Ponto(x2, y2));
polatual.addOriginais(new Ponto(x2, y2));
}
}
aux = b;
}
else if (modoseg.Equals("fo"))
{
pbsegmentos.Cursor = Cursors.Cross;
FiltroM.floodFill((e as MouseEventArgs).X, (e as MouseEventArgs).Y, corpintura, b);
pbsegmentos.Image = b;
modoseg = "";
}
}
public static void scanLine(Poligono p, Color cor, Bitmap b)
{
List <Ponto> lp = p.getAtuais();
int y = 0, ymin = lp[0].getY(), ymax = lp[0].getY(), xmin = 0, primy;
double incx = 0;
Ponto p1, p2;
Color color = Color.FromArgb(cor.ToArgb());
for (int i = 1; i < lp.Count; i++)
{
if (ymin > lp[i].getY())
{
ymin = lp[i].getY();
}
if (ymax < lp[i].getY())
{
ymax = lp[i].getY();
}
}
primy = ymin;
List <NoScan>[] et = new List <NoScan> [ymax - ymin + 1];
for (int i = 0; i < ymax - ymin + 1; i++)
{
et[i] = new List <NoScan>();
}
for (int i = 1; i < lp.Count; i++)
{
p1 = lp[i - 1];
p2 = lp[i];
if (p1.getY() != p2.getY())
{
if (p1.getY() < p2.getY())
{
ymin = p1.getY();
ymax = p2.getY();
xmin = p1.getX();
}
else if (p1.getY() > p2.getY())
{
ymin = p2.getY();
ymax = p1.getY();
xmin = p2.getX();
}
incx = (double)(p2.getX() - p1.getX()) / (p2.getY() - p1.getY());
et[ymin - primy].Add(new NoScan(ymax, xmin, incx));
}
}
p1 = lp[0];
p2 = lp[lp.Count - 1];
if (p1.getY() != p2.getY())
{
if (p1.getY() < p2.getY())
{
ymin = p1.getY();
ymax = p2.getY();
xmin = p1.getX();
}
else if (p1.getY() > p2.getY())
{
ymin = p2.getY();
ymax = p1.getY();
xmin = p2.getX();
}
incx = (double)(p2.getX() - p1.getX()) / (p2.getY() - p1.getY());
et[ymin - primy].Add(new NoScan(ymax, xmin, incx));
}
List <NoScan> aet = et[y];
while (y < et.Length)
{
for (int i = 0; i < aet.Count; i++)
{
if (y + primy == aet[i].Ymax)
{
aet.RemoveAt(i);
}
}
aet.Sort((o1, o2) => o1.Xmin.CompareTo(o2.Xmin));
for (int i = 1; i < aet.Count; i += 2)
{
retaDda(b, (int)aet[i - 1].Xmin, (int)aet[i].Xmin, y + primy, y + primy, color);
}
for (int i = 0; i < aet.Count; i++)
{
aet[i].Xmin += aet[i].Incx;
}
y++;
if (y < et.Length)
{
for (int pos2 = 0; pos2 < et[y].Count; pos2++)
{
aet.Add(et[y][pos2]);
}
}
}
}
