private void panel1_MouseUp(object sender, MouseEventArgs e)
{
ng.Point p = primitiveList_.Find(context_, e.Location);
if (p != null && e.Button.HasFlag(MouseButtons.Left))
{
p.IsSelected = !p.IsSelected;
p.Draw(context_);
}
}
private void panel1_MouseMove(object sender, MouseEventArgs e)
{
bool need_full_repaint = false;
if (e.Button.HasFlag(MouseButtons.Left))
{
offset_.X += e.X - mouse_down_at_.X;
offset_.Y += e.Y - mouse_down_at_.Y;
need_full_repaint = true;
}
if (e.Button.HasFlag(MouseButtons.Right))
{
}
if (need_full_repaint)
{
context_.SetTransformMatrix(GetTransformMatrix());
mouse_down_at_.X = e.X;
mouse_down_at_.Y = e.Y;
PaintPrimitives();
}
ng.Point p = primitiveList_.Find(context_, e.Location);
if (p != last_hilighted_)
{
if (last_hilighted_ != null)
{
last_hilighted_.IsHilighted = false;
last_hilighted_.Draw(context_);
}
if (p != null)
{
p.IsHilighted = true;
p.Draw(context_);
}
last_hilighted_ = p;
}
}