public static VectorStyle GetRasterPointSymbolizerStyle(FeatureDataRow row)
{
// NB - this is for testing only.
var rps = new RasterPointSymbolizer()
{
Symbol = (Image)_boat.Clone(),
Rotation = (float)row[2],
RemapColor = Color.White,
Scale = (float)row[3],
SymbolColor = Color.FromArgb((int)row[4])
};
return(new VectorStyle()
{
PointSymbolizer = rps
});
}
/// <summary>
/// Apply PolyStyle, LineStyle, and/or IconStyle elements of a KML Style to the given VectorStyle.
/// </summary>
/// <remarks>
/// As per KML documentation, in cases where a style element is defined both in a
/// shared style and in an inline style for a Feature (eg Placemark) the value of
/// the Feature's inline style takes precedence over the value for the shared style
/// </remarks>
/// <param name="vectorStyle">cloned if kmlStyle is not null</param>
/// <param name="kmlStyle">Style to apply to existing VectorStyle</param>
private VectorStyle ApplyStyleOverrides(VectorStyle vectorStyle, Style kmlStyle)
{
if (kmlStyle == null)
{
return(vectorStyle);
}
if (kmlStyle.Polygon == null && kmlStyle.Line == null && kmlStyle.Icon == null)
{
return(vectorStyle);
}
vectorStyle = vectorStyle.Clone();
if (kmlStyle.Polygon != null)
{
// fill
var fill = kmlStyle.Polygon.Fill.GetValueOrDefault(((SolidBrush)vectorStyle.Fill).Color.A > 0);
var argb = kmlStyle.Polygon.Color?.Argb ?? ((SolidBrush)vectorStyle.Fill).Color.ToArgb();
vectorStyle.Fill =
fill
? new SolidBrush(Color.FromArgb(argb))
: new SolidBrush(Color.Transparent);
// outline
vectorStyle.EnableOutline = kmlStyle.Polygon.Outline.GetValueOrDefault(vectorStyle.EnableOutline);
var width = kmlStyle.Line?.Width ?? vectorStyle.Outline.Width;
argb = kmlStyle.Line?.Color?.Argb ?? vectorStyle.Outline.Color.ToArgb();
vectorStyle.Outline = vectorStyle.EnableOutline
? new Pen(Color.FromArgb(argb), (float)width)
: new Pen(Color.Transparent);
}
if (kmlStyle.Line != null)
{
var width = kmlStyle.Line.Width.GetValueOrDefault(vectorStyle.Line.Width);
var argb = kmlStyle.Line.Color?.Argb ?? vectorStyle.Line.Color.ToArgb();
vectorStyle.Line = new Pen(Color.FromArgb(argb), (float)width);
}
try
{
if (kmlStyle.Icon != null)
{
RasterPointSymbolizer rps = null;
if (kmlStyle.Icon.Icon != null && kmlStyle.Icon.Icon.Href != null)
{
rps = new RasterPointSymbolizer();
if (_symbolDict.ContainsKey(kmlStyle.Icon.Icon.Href.ToString()))
{
rps.Symbol = _symbolDict[kmlStyle.Icon.Icon.Href.ToString()];
}
else
{
var newSymbol = GetImageFromUrl(kmlStyle.Icon.Icon.Href);
_symbolDict.Add(kmlStyle.Icon.Icon.Href.ToString(), newSymbol);
rps.Symbol = newSymbol;
}
vectorStyle.PointSymbolizer = rps;
}
if (vectorStyle.PointSymbolizer is RasterPointSymbolizer)
{
rps = (RasterPointSymbolizer)vectorStyle.PointSymbolizer;
var argb = kmlStyle.Icon.Color?.Argb ?? ((SolidBrush)vectorStyle.PointColor).Color.ToArgb();
rps.SymbolColor = Color.FromArgb(argb);
rps.RemapColor = Color.White;
rps.Scale = (float)kmlStyle.Icon.Scale.GetValueOrDefault(1);
}
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
return(vectorStyle);
}
