private bool DrawImages(Rectangle localBlockView, GoogleRectangle localScreenView)
{
for (var x = localBlockView.Left; x <= localBlockView.Right; x++)
{
for (var y = localBlockView.Top; y <= localBlockView.Bottom; y++)
{
var block = new GoogleBlock(x, y, Level);
var pt = ((GoogleCoordinate)block).GetScreenPoint(localScreenView);
var bmp = FindImage(block);
if (bmp != null)
{
DrawBitmap(bmp, pt);
}
else
{
DrawBitmap(_emptyBlock, pt);
PutMapThreadEvent(WorkerEventType.DownloadImage, block, EventPriorityType.Idle);
}
if (Terminating)
{
return(true);
}
if (localScreenView.CompareTo(ScreenView) != 0)
{
return(false);
}
}
}
return(true);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
var circle = new GoogleCircle {
Center = new LatLng(42.1229, 24.7879),
Radius = 200000
};
var polygon = new GooglePolygon {
FillColor = Color.Red,
FillOpacity = .5F,
StrokeColor = Color.Black,
StrokeWeight = 5,
Paths = new List<LatLng> {
new LatLng(37.97918, 23.716647),
new LatLng(41.036501, 28.984895),
new LatLng(44.447924, 26.097879),
new LatLng(44.802416, 20.465601),
new LatLng(42.002411, 21.436097),
new LatLng(37.97918, 23.716647),
new LatLng(37.97918, 23.716647)
}
};
var rectangle = new GoogleRectangle {
FillColor = Color.Green,
Bounds = new Bounds {
SouthWest = new LatLng(44.802416, 20.465601),
NorthEast = new LatLng(37.97918, 23.716647)
}
};
GoogleMap1.Overlays.Add(circle);
GoogleMap1.Overlays.Add(polygon);
GoogleMap1.Overlays.Add(rectangle);
}
private void LineSheetAction(TNode node, SheetActionType actionType)
{
var blockViewLevel = NextGoogleLevel;
var line = node.Rectangle;
var rect = new GoogleRectangle(line, blockViewLevel).BlockView;
var deltaX = (rect.Left <= rect.Right) ? 1 : -1;
var deltaY = (rect.Top <= rect.Bottom) ? 1 : -1;
//line search in daughter sheet
for (var x = rect.Left; (deltaX == 1 && x <= rect.Right) || (deltaX == -1 && x >= rect.Right); x += deltaX)
{
for (var y = rect.Top; (deltaY == 1 && y <= rect.Bottom) || (deltaY == -1 && y >= rect.Bottom); y += deltaY)
{
var block = new GoogleBlock(x, y, blockViewLevel);
var googleRect = (GoogleRectangle)block;
if (googleRect.LineContains(line) != InterseptResult.None)
{
lock (this)
{
var sheet = Sheets[block];
sheet.SheetAction(node, actionType);
PostSheetAction(block, sheet, actionType);
}
}
}
}
}
private void RectangleSheetAction(TNode node, SheetActionType actionType)
{
var blockViewLevel = NextGoogleLevel;
var rect = new GoogleRectangle(node.Rectangle, blockViewLevel).BlockView;
var deltaX = (rect.Left <= rect.Right) ? 1 : -1;
var deltaY = (rect.Top <= rect.Bottom) ? 1 : -1;
//rectangle search in daughter sheet
for (var x = rect.Left; (deltaX == 1 && x <= rect.Right) || (deltaX == -1 && x >= rect.Right); x += deltaX)
{
for (var y = rect.Top; (deltaY == 1 && y <= rect.Bottom) || (deltaY == -1 && y >= rect.Bottom); y += deltaY)
{
var block = new GoogleBlock(x, y, blockViewLevel);
lock (this)
{
var sheet = Sheets[block];
sheet.SheetAction(node, actionType);
PostSheetAction(block, sheet, actionType);
}
}
}
}
private void RedrawCables(GoogleRectangle localScreenView)
{
try
{
_lockCr.EnterReadLock();
if (_rCableTree.NodeCount == 0)
{
return;
}
var res = _rCableTree.Query(localScreenView);
foreach (var node in res)
{
var row = (SimpleMapDb.CablesRow)node.Row;
var cabRect = new CoordinateRectangle(row.Longitude1, row.Latitude1, row.Longitude2, row.Latitude2);
var rect = cabRect.GetScreenRect(localScreenView);
DrawLine(rect, 2, Color.Blue);
if (Level >= 14)
{
var caption = row.Caption;
if (!String.IsNullOrEmpty(caption))
{
var coordinate = cabRect.LineMiddlePoint;
var point = coordinate.GetScreenPoint(localScreenView);
DrawString(caption, HalfVertexSize.Height, Point.Add(point, HalfVertexSize));
}
}
}
}
catch (Exception ex)
{
//do nothing
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
_lockCr.ExitReadLock();
}
}
private void RedrawVertexes(GoogleRectangle localScreenView)
{
try
{
_lockVr.EnterReadLock();
if (_rVertexTree.NodeCount == 0)
{
return;
}
var res = _rVertexTree.Query(localScreenView);
foreach (var node in res)
{
var row = (SimpleMapDb.VertexesRow)node.Row;
var coordinate = new Coordinate(row.Longitude, row.Latitude);
var pt = coordinate.GetScreenPoint(localScreenView);
DrawBitmap(Vertex, Point.Subtract(pt, HalfVertexSize));
if (Level >= 14)
{
var caption = row.Caption;
if (!String.IsNullOrEmpty(caption))
{
DrawString(caption, HalfVertexSize.Height, Point.Add(pt, HalfVertexSize));
}
}
}
}
catch (Exception ex)
{
//do nothing
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
_lockVr.ExitReadLock();
}
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
var circle = new GoogleCircle
{
Center = new LatLng(42.1229, 24.7879),
Radius = 200000
};
var polygon = new GooglePolygon
{
FillColor = Color.Red,
FillOpacity = .5F,
StrokeColor = Color.Black,
StrokeWeight = 5,
Paths = new List <LatLng> {
new LatLng(37.97918, 23.716647),
new LatLng(41.036501, 28.984895),
new LatLng(44.447924, 26.097879),
new LatLng(44.802416, 20.465601),
new LatLng(42.002411, 21.436097),
new LatLng(37.97918, 23.716647),
new LatLng(37.97918, 23.716647)
}
};
var rectangle = new GoogleRectangle
{
FillColor = Color.Green,
Bounds = new Bounds
{
SouthWest = new LatLng(44.802416, 20.465601),
NorthEast = new LatLng(37.97918, 23.716647)
}
};
GoogleMap1.Overlays.Add(circle);
GoogleMap1.Overlays.Add(polygon);
GoogleMap1.Overlays.Add(rectangle);
}
public static Coordinate GetCoordinateFromScreen(GoogleRectangle screenView, Point point)
{
return(screenView.LeftTop + new GoogleCoordinate(point.X, point.Y, screenView.Level));
}
public Point GetScreenPoint(GoogleRectangle screenView)
{
return(new GoogleCoordinate(this, screenView.Level).GetScreenPoint(screenView));
}
virtual protected void TranslateCoords()
{
_screenView = _centerCoordinate.GetScreenViewFromCenter(Width, Height, _level);
_coordinateView = ScreenView;
}
public Rectangle GetScreenRect(GoogleRectangle screenView)
{
return(new GoogleRectangle(this, screenView.Level).GetScreenRect(screenView));
}
