protected override void DrawCore(RectangleShape targetExtent, OverlayRefreshType overlayRefreshType)
{
if (overlayRefreshType == OverlayRefreshType.Pan)
{
if (PreviousExtent != null)
{
double resolution = MapArguments.CurrentResolution;
double worldOffsetX = targetExtent.UpperLeftPoint.X - PreviousExtent.UpperLeftPoint.X;
double worldOffsetY = targetExtent.UpperLeftPoint.Y - PreviousExtent.UpperLeftPoint.Y;
double screenOffsetX = worldOffsetX / resolution;
double screenOffsetY = worldOffsetY / resolution;
translateTransform.X -= screenOffsetX;
translateTransform.Y += screenOffsetY;
}
}
else
{
translateTransform.X = 0;
translateTransform.Y = 0;
snappingPointsLayer.InternalFeatures.Clear();
if (OverlayCanvas.Children.Count == 0)
{
OverlayCanvas.Children.Add(tile);
}
tile.TargetExtent = targetExtent;
tile.Width = MapArguments.ActualWidth;
tile.Height = MapArguments.ActualHeight;
tile.ZoomLevelIndex = MapArguments.GetSnappedZoomLevelIndex(targetExtent);
RedrawTile(tile);
}
}
protected override void DrawCore(RectangleShape targetExtent, OverlayRefreshType refreshType)
{
TileCache = null;
TileType = TileType.SingleTile;
TileBuffer = 0;
base.DrawCore(targetExtent, refreshType);
}
protected override void DrawCore(RectangleShape targetExtent, OverlayRefreshType overlayRefreshType)
{
LayerTile tile = GetTile(targetExtent, MapArguments.ActualWidth, MapArguments.ActualHeight, 0, 0, MapArguments.GetSnappedZoomLevelIndex(targetExtent));
if (overlayRefreshType == OverlayRefreshType.Pan)
{
isPanningMap = true;
PanOverlay(targetExtent);
}
else
{
isPanningMap = false;
RefreshHighlightLayerTileAndPopup(targetExtent, tile);
}
}
protected override void DrawCore(RectangleShape targetExtent, OverlayRefreshType overlayRefreshType)
{
LayerTile tile = GetTile(targetExtent, MapArguments.ActualWidth, MapArguments.ActualHeight, 0, 0, MapArguments.GetSnappedZoomLevelIndex(targetExtent));
if (overlayRefreshType == OverlayRefreshType.Pan)
{
isPanningMap = true;
PanOverlay(targetExtent);
}
else
{
isPanningMap = false;
RefreshHighlightLayerTileAndPopup(targetExtent, tile);
}
}
protected override void DrawCore(RectangleShape targetExtent, OverlayRefreshType overlayRefreshType)
{
base.DrawCore(targetExtent, overlayRefreshType);
if (!OverlayCanvas.Children.Contains(highlightTile) && overlayRefreshType == OverlayRefreshType.Redraw)
{
OverlayCanvas.Children.Add(highlightTile);
}
bool zoomLevelChanged = CheckZoomLevelChanged(targetExtent);
if (overlayRefreshType == OverlayRefreshType.Redraw && (!isTracking || Vertices.Count == 0 || zoomLevelChanged))
{
RefreshHighlightTile(targetExtent);
}
}
