private GoogleCoordinate GetLeftTopGoogle(int screenWidth, int screenHeight, int level)
{
return(new GoogleCoordinate(
GoogleMapUtilities.GetGoogleX(this, level) - ((screenWidth + 1) / 2 - 1),
GoogleMapUtilities.GetGoogleY(this, level) - ((screenHeight + 1) / 2 - 1),
level));
}
private GoogleCoordinate GetRightBottomGoogle(int screenWidth, int screenHeight, int level)
{
return(new GoogleCoordinate(
GoogleMapUtilities.GetGoogleX(this, level) + ((screenWidth - 1) / 2 + 1),
GoogleMapUtilities.GetGoogleY(this, level) + ((screenHeight - 1) / 2 + 1),
level));
}
public static Bitmap DownloadImageFromGoogle(GoogleBlock block, bool getBitmap)
{
try
{
var oRequest = GoogleMapUtilities.CreateGoogleWebRequest(block);
var oResponse = (HttpWebResponse)oRequest.GetResponse();
var bmpStream = new MemoryStream();
var oStream = oResponse.GetResponseStream();
if (oStream != null)
{
oStream.CopyTo(bmpStream);
}
oResponse.Close();
if (bmpStream.Length > 0)
{
WriteImageToFile(block, bmpStream);
return(getBitmap ? (Bitmap)Image.FromStream(bmpStream) : null);
}
}
catch (Exception ex)
{
//do nothing
System.Diagnostics.Trace.WriteLine(ex.Message);
}
return(null);
}
public InterseptResult LineContains(CoordinateRectangle line)
{
var iLeftTop = PointContains(line.LeftTop) != InterseptResult.None;
var iRightBottom = PointContains(line.RightBottom) != InterseptResult.None;
if (iLeftTop && iRightBottom)
{
return(InterseptResult.Contains);
}
if (iLeftTop || iRightBottom)
{
return(InterseptResult.Intersepts);
}
if (GoogleMapUtilities.CheckLinesInterseption(new CoordinateRectangle(Left, Top, Right, Top), line))
{
return(InterseptResult.Intersepts);
}
if (GoogleMapUtilities.CheckLinesInterseption(new CoordinateRectangle(Right, Top, Right, Bottom), line))
{
return(InterseptResult.Intersepts);
}
if (GoogleMapUtilities.CheckLinesInterseption(new CoordinateRectangle(Left, Bottom, Right, Bottom), line))
{
return(InterseptResult.Intersepts);
}
if (GoogleMapUtilities.CheckLinesInterseption(new CoordinateRectangle(Left, Top, Left, Bottom), line))
{
return(InterseptResult.Intersepts);
}
return(InterseptResult.None);
}
public InterseptResult RectangleContains(CoordinateRectangle rectangle)
{
var iLeftTop = PointContains(rectangle.LeftTop) != InterseptResult.None;
var iRightBottom = PointContains(rectangle.RightBottom) != InterseptResult.None;
if (iLeftTop && iRightBottom)
{
return(InterseptResult.Contains);
}
if (iLeftTop || iRightBottom)
{
return(InterseptResult.Intersepts);
}
if (PointContains(rectangle.LeftBottom) != InterseptResult.None)
{
return(InterseptResult.Intersepts);
}
if (PointContains(rectangle.RightTop) != InterseptResult.None)
{
return(InterseptResult.Intersepts);
}
iLeftTop = rectangle.PointContains(LeftTop) != InterseptResult.None;
iRightBottom = rectangle.PointContains(RightBottom) != InterseptResult.None;
if (iLeftTop && iRightBottom)
{
return(InterseptResult.Supersets);
}
if (iLeftTop || iRightBottom)
{
return(InterseptResult.Intersepts);
}
if (rectangle.PointContains(LeftBottom) != InterseptResult.None)
{
return(InterseptResult.Intersepts);
}
if (rectangle.PointContains(RightTop) != InterseptResult.None)
{
return(InterseptResult.Intersepts);
}
if (GoogleMapUtilities.CheckLinesInterseption(new CoordinateRectangle(Left, Top, Left, Bottom),
new CoordinateRectangle(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Top)))
{
return(InterseptResult.Intersepts);
}
if (GoogleMapUtilities.CheckLinesInterseption(new CoordinateRectangle(Left, Top, Right, Top),
new CoordinateRectangle(rectangle.Left, rectangle.Top, rectangle.Left, rectangle.Bottom)))
{
return(InterseptResult.Intersepts);
}
return(InterseptResult.None);
}
public bool Add(Coordinate coordinate)
{
if (Count > 2)
{
var line1 = new CoordinateRectangle(First, coordinate);
var line2 = new CoordinateRectangle(Last, coordinate);
for (var i = 0; i < Count - 1; i++)
{
if (GoogleMapUtilities.CheckLinesInterseption(this[i], line1) ||
GoogleMapUtilities.CheckLinesInterseption(this[i], line2))
{
return(false);
}
}
}
Coordinates.Add(coordinate);
return(true);
}
private int GoogleNumLevel(int level)
{
return((int)GoogleMapUtilities.NumLevel((int)Sheets.Power(level)));
}
