private void SetInvalidateRegions()
{
if (mainControler.GpsControler.Opened && mainControler.HasActiveDisplay)
{
if (config.GpsViewMode == GpsView.StaticMap)
{
recList.Clear();
p = CoordCalculator.calculateDisplayCoords(oldGk, mainControler.MapPanel.DX,
mainControler.MapPanel.DY, mainControler.LayerManager.Scale);
// Clipping: We do not need to invalide if the point is out of our view
if (isInDrawingArea(p, mainControler.MapPanel.DrawingArea))
{
tempRec.X = Convert.ToInt32(Math.Min(p.x - 2, Int32.MaxValue));
tempRec.Y = Convert.ToInt32(Math.Min(p.y - 2, Int32.MaxValue));
tempRec.Width = config.GpsLayerPointWidth + 4;
tempRec.Height = config.GpsLayerPointWidth + 4;
recList.Add(tempRec);
}
p = CoordCalculator.calculateDisplayCoords(gkToRender, mainControler.MapPanel.DX,
mainControler.MapPanel.DY, mainControler.LayerManager.Scale);
// Clipping: We do not need to invalide if the point is out of our view
if (isInDrawingArea(p, mainControler.MapPanel.DrawingArea))
{
tempRec.X = System.Convert.ToInt32(Math.Min(p.x - 2, Int32.MaxValue));
tempRec.Y = System.Convert.ToInt32(Math.Min(p.y - 2, Int32.MaxValue));
recList.Add(tempRec);
oldGk = gkToRender;
}
this.mainControler.MapPanel.InvalidateRegion(recList);
}
else //config.GpsViewMode == GpsView.staticPoint
{
double scale = mainControler.LayerManager.Scale;
mainControler.MapPanel.DX =
mainControler.MapPanel.DrawingArea.Width / -2 + gkToRender.r_value * scale;
mainControler.MapPanel.DY =
this.mainControler.MapPanel.DrawingArea.Height / 2 + gkToRender.h_value * scale;
this.mainControler.MapPanel.RequesLayerChange();
this.mainControler.MapPanel.Invalidate();
}
}
}
public override bool Render(RenderProperties rp)
{
// clip everything outside drawingArea
// in this case this means, draw nothing
if (isInDrawingArea(p, rp.DrawingArea))
{
SolidBrush brush = new SolidBrush(config.GpsLayerPointColor);
p = CoordCalculator.calculateDisplayCoords(
gkToRender, rp.DX, rp.DY, this.mainControler.LayerManager.Scale);
rp.G.FillEllipse(brush, new Rectangle(
Convert.ToInt32(p.x),
Convert.ToInt32(p.y),
config.GpsLayerPointWidth,
config.GpsLayerPointWidth));
}
return(true);
}