StyleLayer CreateStyleLayer(MGLVectorStyleLayer vectorLayer, string layerId = null)
{
if (vectorLayer is MGLSymbolStyleLayer sl && sl.IconImageName != null)
{
var newLayer = new SymbolLayer(layerId ?? vectorLayer.Identifier, vectorLayer.SourceIdentifier.TrimCustomId());
if (sl.IconImageName is MGLCameraStyleFunction csFunc)
{
var imgName = GetValueFromCameraStyleFunction(csFunc);
if (imgName != null)
{
newLayer.IconImageName = imgName.ToString();
}
}
else
{
var imgName = GetObjectFromStyleValue(sl.IconImageName);
if (imgName != null)
{
newLayer.IconImageName = imgName.ToString();
}
}
return(newLayer);
}
if (vectorLayer is MGLLineStyleLayer ll)
{
var newLayer = new LineLayer(layerId ?? vectorLayer.Identifier, vectorLayer.SourceIdentifier.TrimCustomId())
{
LineColor = (GetObjectFromStyleValue(ll.LineColor) as UIColor).ToColor()
};
if (ll.LineDashPattern != null)
{
if (GetObjectFromStyleValue(ll.LineDashPattern) is NSArray arr && arr.Count != 0)
{
var dash = new List <double>();
for (nuint i = 0; i < arr.Count; i++)
{
var obj = arr.GetItem <NSNumber>(i);
dash.Add(obj.DoubleValue);
}
newLayer.Dashes = dash.ToArray();
}
else
{
//TODO
}
}
return(newLayer);
}
StyleLayer CreateStyleLayer(MGLVectorStyleLayer vectorLayer, string layerId = null)
{
if (vectorLayer is MGLSymbolStyleLayer sl)
{
var newLayer = new SymbolLayer(layerId ?? vectorLayer.Identifier, vectorLayer.SourceIdentifier.TrimCustomId());
if (sl.IconImageName is NSExpression csFunc)
{
var imgName = GetValueFromExpression <NSString>(sl.IconImageName);
if (imgName != null)
{
newLayer.IconImageName = imgName.ToString();
}
}
else
{
var imgName = GetValueFromExpression <NSString>(sl.IconImageName);
if (imgName != null)
{
newLayer.IconImageName = imgName.ToString();
}
}
return(newLayer);
}
if (vectorLayer is MGLLineStyleLayer ll)
{
var newLayer = new LineLayer(layerId ?? vectorLayer.Identifier, vectorLayer.SourceIdentifier.TrimCustomId())
{
LineColor = (GetValueFromExpression <UIColor>(ll.LineColor) as UIColor).ToColor()
};
if (ll.LineDashPattern != null)
{
if (GetValueFromExpression <NSArray>(ll.LineDashPattern) is NSArray arr && arr.Count != 0)
{
var dash = new List <double>();
for (nuint i = 0; i < arr.Count; i++)
{
var obj = arr.GetItem <NSObject>(i);
switch (obj)
{
case NSExpression expression:
if (expression.ExpressionType == NSExpressionType.ConstantValue)
{
var number = GetValueFromExpression <NSNumber>(expression);
dash.Add(number.DoubleValue);
}
break;
case NSNumber number:
dash.Add(number.DoubleValue);
break;
default:
break;
}
}
newLayer.Dashes = dash.ToArray();
}
else
{
//TODO
}
}
return(newLayer);
}