private void novoPoligono(Poligono p)
{
if (p.getPontos().Count > 2)
{
p.desenha(imagemBmp);
poligonos.Add(p);
pictureBox.Image = imagemBmp;
DataRow dr = dsPoligonos.Tables["tbPoligonos"].NewRow();
dr["Poligono"] = p;
dr["PosicaoInicial"] = p.getPosicaoInicial();
dsPoligonos.Tables["tbPoligonos"].Rows.Add(dr);
}
}
private void dgvPoligonos_RowEnter(object sender, DataGridViewCellEventArgs e)
{
if (poligonos.Count > e.RowIndex)
{
DataSet dsPts = Util.criaTablePontos();
dgvPontos.DataSource = dsPts;
dgvPontos.DataMember = "tbPontos";
Poligono p = poligonos[e.RowIndex];
if (p != null)
{
List <Point> pts = p.getPontos();
foreach (Point pt in pts)
{
DataRow dr = dsPts.Tables["tbPontos"].NewRow();
dr["Ponto"] = new Point(pt.X, pt.Y);
dsPts.Tables["tbPontos"].Rows.Add(dr);
}
}
}
}
public static unsafe void scanLine(int xclick, int yclick, Bitmap img, Color c, Poligono poligono)
{
int H = img.Height;
int W = img.Width;
BitmapData bmpData = img.LockBits(new Rectangle(0, 0, W, H), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int padding = bmpData.Stride - (W * 3);
byte * ptrIni = (byte *)bmpData.Scan0.ToPointer();
List <List <Aresta> > ET = new List <List <Aresta> >();
List <Aresta> AET = new List <Aresta>();
for (int i = 0; i < Principal.getHTela(); i++)
{
ET.Add(new List <Aresta>());
}
List <Point> polPoint = poligono.getPontos();
for (int i = 0; i < polPoint.Count; i++)
{
Aresta aresta = new Aresta(polPoint[i % polPoint.Count], polPoint[(i + 1) % polPoint.Count]);
ET[aresta.getYmin()].Add(aresta);
}
int y = 0, x;
while (ET[y].Count == 0)
{
y++;
}
//primeiro Y
foreach (Aresta a in ET[y])
{
AET.Add(a);
}
while (AET.Count > 0)
{
for (int i = 0; i < AET.Count; i++)
{
if (AET[i].getYmax() == y)
{
AET.Remove(AET[i--]);
}
}
//AET.Sort();
heap(AET);
for (int i = 0; i < AET.Count; i += 2)
{
Aresta a = AET[i];
Aresta b = AET[i + 1];
for (x = (int)Math.Floor(a.getXmin()); x < Math.Ceiling(b.getXmin()); x++)
{
Util.setPixel(ptrIni, x, y, W, padding, c);
}
a.setXmin(a.getXmin() + a.getIncX());
b.setXmin(b.getXmin() + b.getIncX());
}
y++;
foreach (Aresta a in ET[y])
{
AET.Add(a);
}
}
img.UnlockBits(bmpData);
}