public VectorLayer(LayerBase owner)
: base(owner)
{
#if !DYN
_vectorLayer = new C1.WPF.Maps.C1VectorLayer();
#else
_vectorLayer = DynLoader.CreateC1MapsInstance("C1.WPF.Maps.C1VectorLayer");
#endif
_vectorLayer.Name = MapLayer.Key;
// AutoHide may yield unexpected results:
#if !DYN
_vectorLayer.LabelVisibility = WPF.Maps.LabelVisibility.Visible;
#else
_vectorLayer.LabelVisibility = DynLoader.GetC1MapsEnumValue("C1.WPF.Maps.LabelVisibility.Visible");
#endif
}
/// <summary>
/// Gets a System.Drawing.Image representing the current map.
/// </summary>
/// <param name="dpiX">The horizontal resolution of the image.</param>
/// <param name="dpiY">The vertical resolution of the image.</param>
/// <returns>The image (bitmap).</returns>
public System.Drawing.Image GetImage(double dpiX, double dpiY)
{
if (_doingEvents)
{
return(null);
}
RefreshTileSource();
// apply layer-wide properties:
foreach (MapsLayerBase lb in _layers)
{
lb.UpdateLayerProperties();
}
// clear old legends:
for (int i = _grid.Children.Count - 1; i >= 0; --i)
{
if (_grid.Children[i] is MapperLegend)
{
_grid.Children.RemoveAt(i);
}
}
// add new ones:
if (_owner != null)
{
foreach (Legend ml in _owner.Legends)
{
if (ml.Visible)
{
var l = new MapperLegend();
_grid.Children.Add(l);
l.Visibility = System.Windows.Visibility.Visible;
l.UpdateFromOwner(_owner, ml);
}
}
}
this.Measure(new System.Windows.Size(this.Width, this.Height));
this.Arrange(new System.Windows.Rect(new System.Windows.Size(this.Width, this.Height)));
this.UpdateLayout();
// there's no TilesMode in WPF Maps anymore, as its probably the only mode now(?).
// NOTE: we must DoEvents() at least once even if _tilesRemaining==0, otherwise
// we don't get the image.
#if skip_dima
#if !DYN
if (_c1maps.TilesMode == MapTilesMode.Native)
#else
if (_c1maps.TilesMode == DynLoader.GetC1MapsEnumValue("C1.WPF.Maps.MapTilesMode.Native"))
#endif
#endif
{
int oldTilesRemaining = _tilesRemaining;
DoEvents();
const int MAX_WAIT_LOOPS = 200;
const int MAX_NOCHANGE_LOOPS = 30;
int nochange_loops = 0;
for (int i = 0; i < MAX_WAIT_LOOPS && nochange_loops < MAX_NOCHANGE_LOOPS && _tilesRemaining > 0; ++i)
{
System.Threading.Thread.Sleep(300);
DoEvents();
if (oldTilesRemaining == _tilesRemaining)
{
++nochange_loops;
}
}
}
return(MakeImage(dpiX, dpiY));
}
