private void AddNewPoint(ImageEditor imgEd, MouseEventArgs e, Polygon polyg)
{
int pos = Math.Max(imgEd.CurPoints[0], imgEd.CurPoints[1]);
if (pos == polyg.VertexCount-1) pos++;
Point E = imgEd.ShiftPointIfNotEmpty(new Point(e.X, e.Y));
Graphics g = imgEd.GetGraphics();
polyg.Paint(g, new Pen(Brushes.White, 2));
polyg.AddVertexAt(pos, E);
imgEd.ReDraw();
g = imgEd.GetGraphics();
polyg.Paint(g);
imgEd.ReDraw();
imgEd.CurPoints.Clear();
}
private void открытьToolStripMenuItem_Click(object sender, EventArgs e)
{
if (ImgEditor.Polygs.Count == 2) { MessageBox.Show("Вначале объедините существующие полигоны"); return; }
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "Выберите файл";
openFileDialog.Filter = "Текстовые файлы|*.txt";
if (openFileDialog.ShowDialog() != DialogResult.OK) return;
string[] lines = ToFileFromFile.ReadFromFile(openFileDialog.FileName);
Polygon poly = new Polygon(lines);
Graphics g = ImgEditor.GetGraphics();
poly.Paint(g);
ImgEditor.ReDraw();
ImgEditor.Polygs.Add(poly);
ImgEditor.CurPolygon = poly;
}