public StackedLabelProvider(IProvider provider, LabelStyle labelStyle, Pen rectangleLine = null,
Brush rectangleFill = null)
{
_provider = provider;
_labelStyle = labelStyle;
_rectangleLine = rectangleLine ?? new Pen(Color.Gray);
_rectangleFill = rectangleFill;
}
public static Pen Copy(this Pen pen)
{
if (pen == null)
{
return(null);
}
return(new Pen {
Width = pen.Width,
Color = pen.Color.Copy(),
PenStyle = pen.PenStyle,
DashArray = pen.DashArray,
PenStrokeCap = pen.PenStrokeCap,
StrokeJoin = pen.StrokeJoin,
StrokeMiterLimit = pen.StrokeMiterLimit
});
}
public bool Equals(Pen pen)
{
if (Width != pen.Width)
{
return false;
}
if ((Color == null) ^ (pen.Color == null)) //if one or the other is null then they are not equal, but not when they are both null
{
return false;
}
if (Color != null && !Color.Equals(pen.Color))
{
return false;
}
return true;
}
private VectorStyle GetVectorStyle(LandStatus status, bool isOwnLand, bool demandAuthorities, bool ischecked, bool isGreenpeaceUser, bool islockedOnly, bool denouncedByMe)
{
Brush fill = null;
Pen outline = null;
switch (status)
{
case LandStatus.NotChecked: //STATUS 2 SIN CHEQUEAR
fill = new Brush { Color = Color.FromArgb(255, 255, 255, 255) };
outline = new Pen { Color = Color.Black, Width = 1 };
break;
case LandStatus.Ok: //STATUS 3 SIN DESMONTES
fill = new Brush { Color = Color.FromArgb(143, 121, 136, 35) };
outline = new Pen { Color = Color.FromArgb(255, 169, 183, 41), Width = 4 };
break;
case LandStatus.Alert: //STATUS 4 CON DESMONTES
fill = new Brush { Color = Color.FromArgb(143, 255, 236, 0) };
outline = new Pen { Color = Color.FromArgb(255, 255, 242, 0), Width = 4 };
break;
default: //DEFAULT, IDEM SIN CHEQUEAR
fill = new Brush { Color = Color.FromArgb(255, 255, 255, 255) };
outline = new Pen { Color = Color.Black, Width = 1 };
break;
}
if (ischecked && (status == LandStatus.Alert || status == LandStatus.Ok)) //VERIFICADA POR MI DESMONTADA O SIN DESMONTE
{
outline = new Pen { Color = Color.FromArgb(0, 0, 0, 0), Width = 1 };
}
if (isOwnLand && (status != LandStatus.Alert && status != LandStatus.Ok)) //MI PROPIA LAND
{
outline = new Pen { Color = Color.White, Width = 4 };
}
if (demandAuthorities) //LISTA PARA DEMANDAR
{
fill = new Brush { Color = Color.FromArgb(143, 167, 11, 10) };
outline = new Pen { Color = Color.FromArgb(255, 217, 7, 7), Width = 4 };
if (denouncedByMe)
{
outline = new Pen { Color = Color.FromArgb(0, 0, 0, 0), Width = 1 };
}
}
if (!demandAuthorities && islockedOnly)
{
outline = new Pen { Color = Color.FromArgb(0, 0, 0, 0), Width = 1 };
}
var vStyle = new VectorStyle
{
Fill = fill,
Outline = outline,
};
if (opacity == 0)
{
vStyle.SetOpacity(0);
}
else
{
if (Current.Instance.MapControl.Viewport.Resolution > 2.4 || Current.Instance.MapControl.Viewport.Resolution == 0)
{
vStyle.SetOpacity(opacity);
}
else
{
vStyle.SetOpacity(0);
}
}
return vStyle;
}
private VectorStyle GetVectorStyle(LandStatus status, bool isOwnLand)
{
Brush fill;
Pen outline;
switch (status)
{
case LandStatus.NotChecked:
fill = new Brush { Color = Color.White };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
case LandStatus.Ok:
fill = new Brush { Color = Color.Green };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
case LandStatus.Alert:
fill = new Brush { Color = Color.Red };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
default:
fill = new Brush { Color = Color.Orange };
outline = new Pen { Color = Color.Black, Width = 2 };
break;
}
if (isOwnLand)
{
outline = new Pen { Color = Color.Orange, Width = 4 };
}
var vStyle = new VectorStyle
{
Fill = fill,
Outline = outline,
};
vStyle.SetOpacity(opacity);
return vStyle;
}
private static List<Feature> GetFeaturesInView(double resolution, LabelStyle labelStyle,
IEnumerable<IFeature> features, Pen line, Brush fill)
{
var margin = resolution*50;
var clusters = new List<Cluster>();
// todo: repeat until there are no more merges
ClusterFeatures(clusters, features, margin, labelStyle, resolution);
const int textHeight = 18;
var results = new List<Feature>();
foreach (var cluster in clusters)
{
if (cluster.Features.Count > 1) results.Add(CreateBoxFeature(resolution, cluster, line, fill));
var offsetY = double.NaN;
var orderedFeatures = cluster.Features.OrderBy(f => f.Geometry.GetBoundingBox().GetCentroid().Y);
foreach (var pointFeature in orderedFeatures)
{
var position = CalculatePosition(cluster);
offsetY = CalculateOffsetY(offsetY, textHeight);
var labelText = labelStyle.GetLabelText(pointFeature);
var labelFeature = CreateLabelFeature(position, labelStyle, offsetY, labelText);
results.Add(labelFeature);
}
}
return results;
}
private static Feature CreateBoxFeature(double resolution, Cluster cluster, Pen line,
Brush fill)
{
return new Feature
{
Geometry = ToPolygon(GrowBox(cluster.Box, resolution)),
Styles = new[]
{
new VectorStyle
{
Outline = line,
Fill = fill
}
}
};
}
