public void Render(Graphics graphics, MyPoint org, int zoom)
{
if (!_visible)
{
return;
}
const int height = 8;
const int posX = 20;
const int hSpace = 10;
int posY = 30;
//int posY = ClientSize.Height - 30;
int width = 150;
Pen pen = new Pen(Color.Black, 2.0f);
int textHeight = (int)_font.GetHeight();
graphics.DrawLine(pen, posX, posY, posX + width, posY);
graphics.DrawLine(pen, posX, posY - height, posX, posY + height);
graphics.DrawLine(pen, posX + width, posY - height, posX + width, posY + height);
MyPointF world0 = ScreenToWorld(org, zoom);
MyPointF world1 = ScreenToWorld(org + new MyPoint(width, 0), zoom);
double dist = TrackDataManager.ComputeDistance(world0.Y, world0.X, world1.Y, world1.X);
graphics.DrawString(Units.Provider.DistanceString(dist), _font, Brushes.Black, posX + width + hSpace, posY - textHeight / 2);
}
public void OnMouseMove(MyPoint origin, int zoom, MouseEventArgs e)
{
if (_openPair != null)
{
MyPoint cursor = new MyPoint(origin.X + e.X, origin.Y + e.Y);
_openPair.WorldPos1 = ScreenToWorld(cursor, zoom);
_openPair.Distance = TrackDataManager.ComputeDistance(_openPair.WorldPos0.Y, _openPair.WorldPos0.X, _openPair.WorldPos1.Y, _openPair.WorldPos1.X);;
_view.Invalidate();
}
}