public fmMain()
{
InitializeComponent();
Image image = Image.FromFile(Application.StartupPath +@"\bmp_init.bmp");
int width = image.Width;
int height = image.Height;
Bitmap bmp = new Bitmap(Image.FromFile("bmp_init.bmp"), width, height);
pbPolygon.Image = bmp;
ImgEditor = new ImageEditor(pbPolygon,this);
ImgEditor.EditingOff();
ImgEditor.mouseSensitivity = trackBar1.Maximum - trackBar1.Value;
}
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();
}
public override void MouseDown(MouseEventArgs e, ImageEditor imgEd)
{
if (imgEd.CurPolygon == null) return;
Polygon p;
int ind = -1;
if (WhereIsThePoint(e, imgEd, out p, out ind) == false) return;
if (p.VertexCount <= 3) { MessageBox.Show("Количество точек контура минимально. Удаление невозможно"); return; }
Point point = new Point(p.GetVertex(ind).X, p.GetVertex(ind).Y); // todo подсветка точки
Graphics g = imgEd.GetGraphics();
p.Paint(g, new Pen(Brushes.White, 2));
imgEd.ReDraw();
p.RemoveVertexAt(ind);
g = imgEd.GetGraphics();
p.Paint(imgEd.g);
imgEd.ReDraw();
}
public override void MouseDown(MouseEventArgs e, ImageEditor imgEd)
{
if (imgEd.CurPolygon == null) return;
Polygon p;
int ind = -1;
if (imgEd.CurPoints.Count < 2)
{
if (WhereIsThePoint(e, imgEd, out p, out ind) == false) return;
if (p == imgEd.CurPolygon)
{
if (imgEd.CurPoints.Count == 1 && imgEd.CurContour != null)
{
Clean(imgEd);
return;
}
imgEd.CurPoints.Add(ind);
}
else // попали в контур
{
if (imgEd.CurContour != null && p != imgEd.CurContour) { Clean(imgEd); return;}
imgEd.CurContour = p;
imgEd.CurPoints.Add(ind);
}
}
else
{
int dif = Math.Abs(imgEd.CurPoints[0] - imgEd.CurPoints[1]);
if (imgEd.CurContour==null) {
if ( dif!= 1 && (dif!=imgEd.CurPolygon.VertexCount-1)) { Clean(imgEd);return;}
AddNewPoint(imgEd, e, imgEd.CurPolygon);
}
else
{
if ( dif!= 1 && (dif!=imgEd.CurContour.VertexCount-1)) { Clean(imgEd);return;}
AddNewPoint(imgEd, e, imgEd.CurContour);
}
}
}
public override void KeyPress(KeyPressEventArgs e, ImageEditor imgEd)
{
}
public override void MouseDown(MouseEventArgs e, ImageEditor imgEd)
{
}
public override void MouseDown(MouseEventArgs e, ImageEditor imgEd)
{
Point E = imgEd.ShiftPointIfNotEmpty(new Point(e.X, e.Y));
Graphics g = imgEd.GetGraphics();
imgEd.CurPolygon.AddVertex(E);
if (imgEd.CurPolygon.VertexCount > 1)
g.DrawLine(new Pen(Brushes.Black, 2), E,
new Point(imgEd.CurPolygon.GetVertex(imgEd.CurPolygon.VertexCount - 2).X,
imgEd.CurPolygon.GetVertex(imgEd.CurPolygon.VertexCount - 2).Y));
else
g.DrawRectangle(new Pen(Brushes.Black, 2), E.X, E.Y, 1, 1);
imgEd.ReDraw();
}
public override void KeyPress(KeyPressEventArgs e, ImageEditor imgEd)
{
if (e.KeyChar == (char)Keys.Space)
{
if (imgEd.CurPolygon.VertexCount >= 3)
{
Graphics g = imgEd.GetGraphics();
g.DrawLine(new Pen(Brushes.Black, 2), new Point(imgEd.CurPolygon.GetVertex(0).X,
imgEd.CurPolygon.GetVertex(0).Y), new Point(imgEd.CurPolygon.GetVertex(imgEd.CurPolygon.VertexCount - 1).X,
imgEd.CurPolygon.GetVertex(imgEd.CurPolygon.VertexCount - 1).Y));
imgEd.ReDraw();
MessageBox.Show("Внешний контур создан");
imgEd.EditingOff();
imgEd.fm.SetbtInnerContour(true);
}
else MessageBox.Show("Контур не может содержать менее 3 точек!");
}
}
protected bool WhereIsThePoint(MouseEventArgs e, ImageEditor imgEd, out Polygon p, out int index)
{
int mouseSensitivity = imgEd.mouseSensitivity;
p = null;
index = -1;
for (int i = 0; i < imgEd.CurPolygon.VertexCount; i++)
{
if (Math.Abs(e.X - imgEd.CurPolygon.GetVertex(i).X) <= mouseSensitivity
&& Math.Abs(e.Y - imgEd.CurPolygon.GetVertex(i).Y) <= mouseSensitivity)
{
p = imgEd.CurPolygon;
index = i;
return true;
}
}
for (int i = 0; i < imgEd.CurPolygon.SubPolygs.Count; i++)
{
for (int j = 0; j < imgEd.CurPolygon.SubPolygs[i].VertexCount; j++)
{
if (Math.Abs(e.X - imgEd.CurPolygon.SubPolygs[i].GetVertex(j).X) <= mouseSensitivity
&& Math.Abs(e.Y - imgEd.CurPolygon.SubPolygs[i].GetVertex(j).Y) <= mouseSensitivity)
{
p = imgEd.CurPolygon.SubPolygs[i];
index = j;
return true;
}
}
}
MessageBox.Show("Указанная точка не совпадает ни с одной из вершин редактируемого полигона! Можно снизить чувствительность курсора");
return false;
}
protected void Clean(ImageEditor imgEd)
{
imgEd.CurContour = null;
imgEd.CurPoints.Clear();
MessageBox.Show("Пожалуйста, отмечайте смежные точки. Выделение удалено");
}
public abstract void MouseDown(MouseEventArgs e, ImageEditor imgEd);
public abstract void KeyPress(KeyPressEventArgs e, ImageEditor imgEd);
