private void canvas1_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (dirtPen)
{
Point p = e.GetPosition(grid1);
BDNode n = Environment.Instance.Dirt.Insert(p, new DirtElement(), 0);
DirtElement de = (DirtElement)n.Value;
if (de.count == 0)
{
Rectangle r = new Rectangle();
r.Stroke = Brushes.Green;
r.Fill = Brushes.Green;
r.Width = 3;
r.Height = 3;
r.HorizontalAlignment = HorizontalAlignment.Left;
r.VerticalAlignment = VerticalAlignment.Top;
r.Margin = new Thickness(p.X, p.Y, 0, 0);
de.element = r;
grid1.Children.Add(r);
}
de.count++;
}
else if (selectedTool != null)
{
selectedTool.Start = e.GetPosition(grid1);
}
grid1.CaptureMouse();
}
private void canvas1_PreviewMouseMove(object sender, MouseEventArgs e)
{
Point p = e.GetPosition(grid1);
if (dirtPen && Mouse.LeftButton == MouseButtonState.Pressed)
{
BDNode n = Environment.Instance.Dirt.Insert(p, new DirtElement(), 0);
DirtElement de = (DirtElement)n.Value;
if (de.count == 0)
{
Rectangle r = new Rectangle();
r.Stroke = Brushes.Green;
r.Fill = Brushes.Green;
r.Width = 3;
r.Height = 3;
r.HorizontalAlignment = HorizontalAlignment.Left;
r.VerticalAlignment = VerticalAlignment.Top;
r.Margin = new Thickness(p.X, p.Y, 0, 0);
de.element = r;
grid1.Children.Add(r);
}
de.count++;
}
else if (selectedTool != null && selectedTool.Start != null)
{
selectedTool.update(p, Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift),
Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl));
// Remove old snapshot
foreach (UIElement elem in snapshot)
{
grid1.Children.Remove(elem);
}
// Add new
foreach (Segment s in selectedTool.Segments)
{
snapshot.Add(drawSegment(s, Brushes.Black));
}
}
}
