private void Panel1_MouseMove(object sender, MouseEventArgs e)
{
toolStripStatusLabel1.Text = e.Location.ToString();
if (e.Button != MouseButtons.Left)
{
return;
}
_mouseTo = e.Location;
PanelOrigin.Invalidate();
}
private void UpdateMap(int ShowScale, int Offsetx, int Offsety)
{
_backImage?.Dispose();
if (_sourceImage == null)
{
return;
}
_backImage = new Bitmap(PanelOrigin.Width, PanelOrigin.Height);
var g = Graphics.FromImage(_backImage);
g.DrawImage(_sourceImage, new Rectangle((1 - ShowScale) * PanelOrigin.Width / 50 + Offsetx, (1 - ShowScale) * PanelOrigin.Height / 50 + Offsety,
(ShowScale - 1) * 2 * PanelOrigin.Width / 50 + PanelOrigin.Width, (ShowScale - 1) * 2 * PanelOrigin.Height / 50 + PanelOrigin.Height));
if (_startPoint != null)
{
var startpoint = ToScreenPoint(_startPoint, ShowScale, Offsetx, Offsety);
var endpoint = ToScreenPoint(_endPoint, ShowScale, Offsetx, Offsety);
DrawAll(startpoint, endpoint, g);
}
g.Dispose();
PanelOrigin.Invalidate();
}
