/// <summary>
/// Creates a RouteFinder and a Renderer when needed.
/// Starts and stops the UpdateThread if needed.
/// </summary>
private void DoUpdate()
{
if (graph == null)
{
graph = loadingThread.Graph;
if (graph != null)
{
// Set bounds to filebounds.
BBox fileBounds = graph.FileBounds;
Point p1 = CoordToPoint(fileBounds.XMax, fileBounds.YMax);
Point p2 = CoordToPoint(fileBounds.XMin, fileBounds.YMin);
int w = Math.Abs(p1.X - p2.X);
int h = Math.Abs(p1.Y - p2.Y);
if ((float)h / w > (float)this.Height / this.Width)
{
this.bounds = new BBox(fileBounds.XMin, fileBounds.YMax, fileBounds.XMin + LonFromX(h), fileBounds.YMin);
}
else
{
this.bounds = new BBox(fileBounds.XMin, fileBounds.YMax, fileBounds.XMax,
fileBounds.YMax - LatFromY(LonToX(fileBounds.YMin) + h));
}
zoomWidth.Add(bounds.Width);
zoomHeight.Add(bounds.Height);
}
}
else
{
if (rf == null || render == null)
{
rf = new RouteFinder(graph);
render = new Renderer(graph);
loadingTimer.Stop();
logo.Stop();
this.Controls.Remove(logo);
updateThread.Start();
}
// If the updateThread is running and this method is called,
// just let the thread restart when it's finished the current tile.
if (forceUpdate && updateThread.ThreadState == ThreadState.Running)
{
restartUpdateThread = true;
forceUpdate = false;
}
// If the updateThread is stopped and this method is called,
// then just start the thread.
if (updateThread.ThreadState == ThreadState.Stopped)
{
updateThread = new Thread(new ThreadStart(this.UpdateTiles));
updateThread.Start();
}
this.Invalidate();
}
}
/// <summary>
/// Creates a RouteFinder and a Renderer when needed.
/// Starts and stops the UpdateThread if needed.
/// </summary>
private void DoUpdate()
{
if (graph == null)
{
graph = loadingThread.Graph;
if (graph != null)
{
// Set bounds to filebounds.
BBox fileBounds = graph.FileBounds;
Point p1 = CoordToPoint(fileBounds.XMax, fileBounds.YMax);
Point p2 = CoordToPoint(fileBounds.XMin, fileBounds.YMin);
int w = Math.Abs(p1.X - p2.X);
int h = Math.Abs(p1.Y - p2.Y);
if ((float)h / w > (float)this.Height / this.Width)
{
this.bounds = new BBox(fileBounds.XMin, fileBounds.YMax, fileBounds.XMin + LonFromX(h), fileBounds.YMin);
}
else
{
this.bounds = new BBox(fileBounds.XMin, fileBounds.YMax, fileBounds.XMax,
fileBounds.YMax - LatFromY(LonToX(fileBounds.YMin) + h));
}
zoomWidth.Add(bounds.Width);
zoomHeight.Add(bounds.Height);
}
}
else
{
if (rf == null || render == null)
{
rf = new RouteFinder(graph);
render = new Renderer(graph);
loadingTimer.Stop();
logo.Stop();
this.Controls.Remove(logo);
updateThread.Start();
}
// If the updateThread is running and this method is called,
// just let the thread restart when it's finished the current tile.
if (forceUpdate && updateThread.ThreadState == ThreadState.Running)
{
restartUpdateThread = true;
forceUpdate = false;
}
// If the updateThread is stopped and this method is called,
// then just start the thread.
if (updateThread.ThreadState == ThreadState.Stopped)
{
updateThread = new Thread(new ThreadStart(this.UpdateTiles));
updateThread.Start();
}
this.Invalidate();
}
}