public Layer()
{
Name = "";
Visible = true;
MapObjects = new List <MapObject>();
GEOBounds = new GEORect(0.0, 0.0, 0.0, 0.0);
}
private void Map_MouseUp(object sender, MouseEventArgs e)
{
switch (CurrentTool)
{
case Tool.Select:
double Dx1 = Math.Abs(MouseDownPosition.X - e.X);
double Dy1 = Math.Abs(MouseDownPosition.Y - e.Y);
if (Dx1 < shake && Dy1 < shake)
{
GEOPoint searchCenter = ScreenToMap(e.Location);
double xMin = searchCenter.X - shake / 2 / MapScale;
double xMax = searchCenter.X + shake / 2 / MapScale;
double yMin = searchCenter.Y - shake / 2 / MapScale;
double yMax = searchCenter.Y + shake / 2 / MapScale;
GEORect searchRect = new GEORect(xMin, xMax, yMin, yMax);
MapObject result = FindObject(searchRect);
}
break;
case Tool.Pan:
IsMouseDown = false;
Cursor = Cursors.Default;
break;
case Tool.ZoomIn:
cosmeticLayer.Clear();
double Dx = Math.Abs(MouseDownPosition.X - e.X);
double Dy = Math.Abs(MouseDownPosition.Y - e.Y);
if (Dx > shake || Dy > shake)
{
GEOPoint newCenter = ScreenToMap(new System.Drawing.Point((e.X + MouseDownPosition.X) / 2, (e.Y + MouseDownPosition.Y) / 2));
MapCenter = newCenter;
if (Width / Dx > Height / Dy)
{
MapScale *= Width / Dx;
}
else
{
MapScale *= Height / Dy;
}
}
else
{
MapCenter = ScreenToMap(MouseDownPosition);
MapScale *= 2;
Cursor = Cursors.Cross;
}
IsMouseDown = false;
Refresh();
break;
case Tool.ZoomOut:
IsMouseDown = false;
MapCenter = ScreenToMap(MouseDownPosition);
MapScale /= 2;
Refresh();
break;
}
}
public static bool IsExist(GEORect geoRect)
{
if (geoRect.XMin == 0.0 && geoRect.XMax == 0.0 && geoRect.YMin == 0.0 && geoRect.YMax == 0.0)
{
return(false);
}
return(true);
}
private MapObject FindObject(GEORect searchRect)
{
for (int i = CountMapObjects() - 1; i > 0; --i)
{
if (MapObjects[i].IsInside(searchRect))
{
return(MapObjects[i]);
}
}
return(null);
}
private MapObject FindObject(GEORect searchRect)
{
MapObject result = null;
for (int i = Layers.Count - 1; i > 0; --i)
{
Layer layer = Layers[i];
if (layer.Visible)
{
for (int j = layer.CountMapObjects() - 1; j > 0; --j)
{
result = layer.FindObject(searchRect);
}
}
}
return(result);
}
public static GEORect Union(GEORect geoRect1, GEORect geoRect2)
{
if (!IsExist(geoRect1))
{
return(geoRect2);
}
else if (!IsExist(geoRect2))
{
return(geoRect1);
}
else if (!IsExist(geoRect1) && !IsExist(geoRect2))
{
return(new GEORect(0.0, 0.0, 0.0, 0.0));
}
double xMin = Math.Min(geoRect1.XMin, geoRect2.XMin);
double xMax = Math.Max(geoRect1.XMax, geoRect2.XMax);
double yMin = Math.Min(geoRect1.YMin, geoRect2.YMin);
double yMax = Math.Max(geoRect1.YMax, geoRect2.YMax);
return(new GEORect(xMin, xMax, yMin, yMax));
}
public override bool IsInside(GEORect geoRect)
{
}
public void AddMapObject(MapObject mapObject)
{
mapObject.Layer = this;
MapObjects.Add(mapObject);
GEOBounds = GEORect.Union(GEOBounds, mapObject.GEOBounds);
}
public abstract bool IsInside(GEORect geoRect);
public static bool IsCrossLines(GEORect geoRect, Line line)
{
}
public static bool IsIntersect(GEORect geoRect1, GEORect geoRect2)
{
}
