private void DrawLasso()
{
if (_coordinates == null)
{
return;
}
if (_coordinates.LassoPoints.Count > 1)
{
var points = MM_Coordinates.ConvertPoints(_coordinates.LassoPoints, 4).Select(p => p * _scale).ToList();
RawRectangleF bounds;
var geometry = Surface.CreateRegionPathGeometry(points, out bounds, filled: true, closed: true, simplify: true);
_target.FillGeometry(geometry, Surface.Brushes.GetBrush(_coordinates.LassoColor, 0.5f));
_target.DrawGeometry(geometry, Surface.Brushes.GetBrush(Color4.White), 2f);
geometry.Dispose();
}
else if (!_coordinates.LassoEnd.IsEmpty)
{
var start = ConvertPoint(_coordinates.LassoStart);
var end = ConvertPoint(_coordinates.LassoEnd);
var rawRectangleF = new RawRectangleF(start.X, start.Y, end.X, end.Y);
_target.FillRectangle(rawRectangleF, Surface.Brushes.GetBrush(_coordinates.LassoColor, 0.5f));
_target.DrawRectangle(rawRectangleF, Surface.Brushes.GetBrush(Color4.White), 2f);
}
}
/// <summary>
/// Perform calculations and update data.
/// </summary>
/// <param name="updateTime">Time since last update.</param>
/// <remarks>include base.Update(renderTime); in overloads to preserve updating UpdateTime field.</remarks>
public override void Update(RenderTime updateTime)
{
base.Update(updateTime);
if (!Surface.IsDirty && _lastZoom == Surface.Coordinates.ZoomLevel)
{
return;
}
_lastZoom = Surface.Coordinates.ZoomLevel;
foreach (var value in regions.Values)
{
value.Geometry.Dispose();
}
regions.Clear();
foreach (var boundary in MM_Repository.Counties.Values.ToList())
{
RawRectangleF bounds;
var geometry = Surface.CreateRegionPathGeometry(MM_Coordinates.ConvertPoints(boundary.Coordinates, Surface.Coordinates.ZoomLevel).ToList(), out bounds, filled: true, simplify: true);
var region = new RegionProxy(geometry, boundary.DisplayParameter.ForeColor, boundary.DisplayParameter.Width, bounds);
region.Boundary = boundary;
if (boundary.Name == "STATE")
{
state = region;
}
else
{
regions.Add(boundary, region);
}
}
foreach (MM_Boundary boundary in MM_Repository.Districts.Values.ToList())
{
RawRectangleF bounds;
var geometry = Surface.CreateRegionPathGeometry(MM_Coordinates.ConvertPoints(boundary.Coordinates, Surface.Coordinates.ZoomLevel).ToList(), out bounds, simplify: true);
var region = new RegionProxy(geometry, boundary.DisplayParameter.ForeColor, boundary.DisplayParameter.Width, bounds);
regions.Add(boundary, region);
}
}
/// <summary>
/// Load Content and initialize unmanaged resources.
/// </summary>
public override void LoadContent()
{
int width = 256;
int height = 256;
var size = Surface.RenderTarget2D.PixelSize;
var sizeV = new Vector2(size.Width, size.Height);
_start = sizeV - new Vector2(width, height) - new Vector2(10, 10);
_end = sizeV - new Vector2(10, 10);
_viewLocation = new SharpDX.RectangleF(_start.X, _start.Y, _end.X - _start.X, _end.Y - _start.Y);
base.LoadContent();
if (_font == null || _font.IsDisposed)
{
_font = Surface.Fonts.GetTextFormat(MM_Repository.OverallDisplay.NetworkMapFont, 5);
}
if (_target == null || _target.IsDisposed)
{
_target = Surface.CreateRenderTarget(width, height);
}
MM_Boundary State;
if (MM_Repository.Counties.TryGetValue("STATE", out State))
{
RawRectangleF bounds;
var geometry = Surface.CreateRegionPathGeometry(MM_Coordinates.ConvertPoints(State.Coordinates, 4).ToList(), out bounds, filled: true, simplify: true);
geometry.Dispose();
_scale = new Vector2(width / (bounds.Right - bounds.Left), height / (bounds.Bottom - bounds.Top));
var geometryScaled = Surface.CreateRegionPathGeometry(MM_Coordinates.ConvertPoints(State.Coordinates, 4).ToList(), out bounds, filled: true, compression: 0.001f, simplify: true, scaleX: _scale.X, scaleY: _scale.Y);
_location = new Vector2(bounds.Left, bounds.Top);
_state = new RegionProxy(geometryScaled, State.DisplayParameter.ForeColor, State.DisplayParameter.Width, bounds);
}
}