private void SetPointStyle(GeometryStyle style, XmlElement PointSymbolizer, XmlNamespaceManager nsm)
{
string stroke = string.Empty;
string strokeWidth = string.Empty;
string strokeOpacity = string.Empty;
string strokeLinejoin = string.Empty;
string strokeLineCap = string.Empty;
string strokeDasharray = string.Empty;
string strokeDashOffset = string.Empty;
string fill = string.Empty;
string fillOpacity = string.Empty;
string pointSymbolPath = string.Empty;
XmlNodeList pointSymbols = PointSymbolizer.SelectNodes(
"sld:Graphic/sld:ExternalGraphic/sld:OnlineResource", nsm);
foreach (XmlElement pointSymbol in pointSymbols)
{
if (pointSymbol != null)
{
pointSymbolPath = pointSymbol.GetAttribute("xlink:href");
}
}
SetStyle(style, stroke, strokeWidth, strokeOpacity, strokeLinejoin, strokeLineCap, strokeDasharray,
strokeDashOffset, fill, fillOpacity, pointSymbolPath);
}
/// <summary>
/// returns a Random VectorStyle with no symbols.
///
/// </summary>
/// <returns></returns>
public static GeometryStyle RandomGeometryStyle()
{
GeometryStyle vs = new GeometryStyle();
vs.EnableOutline = random.Next(0, 2) == 1;
vs.Fill = RandomBrush();
vs.Line = RandomPen();
vs.Outline = RandomPen();
vs.Symbol = RandomSymbol();
vs.Outline.Width += vs.Line.Width;
vs.HighlightFill = RandomBrush();
vs.HighlightLine = RandomPen();
vs.HighlightOutline = RandomPen();
vs.HighlightSymbol = RandomSymbol();
vs.SelectFill = RandomBrush();
vs.SelectLine = RandomPen();
vs.SelectOutline = RandomPen();
vs.SelectSymbol = RandomSymbol();
return vs;
}
private static GeometryStyle generateStyle(String layer)
{
GeometryStyle style = new GeometryStyle();
style.Enabled = true;
switch (layer)
{
case "Marshland":
case "Robot Tracks":
case "Roads":
case "Fires":
case "Treasures":
case "Nice Views":
case "Fault Lines":
case "Contamination":
case "Notices":
case "Radioactive Fuel Rods":
case "Bases":
case "Houses":
case "Measures":
case "Contacts":
case "Prospects":
default:
style.Fill = new SolidStyleBrush(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value);
style.HighlightFill = new SolidStyleBrush(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value);
style.SelectFill = new SolidStyleBrush(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value);
style.Outline = new StylePen(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value, _rnd.NextDouble() * 6);
style.HighlightOutline = new StylePen(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value, _rnd.NextDouble() * 6);
style.SelectOutline = new StylePen(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value, _rnd.NextDouble() * 6);
break;
}
return(style);
}
/// <summary>
/// returns a Random VectorStyle with no symbols.
///
/// </summary>
/// <returns></returns>
public static GeometryStyle RandomGeometryStyle()
{
GeometryStyle vs = new GeometryStyle();
vs.EnableOutline = random.Next(0, 2) == 1;
vs.Fill = RandomBrush();
vs.Line = RandomPen();
vs.Outline = RandomPen();
vs.Symbol = RandomSymbol();
vs.Outline.Width += vs.Line.Width;
vs.HighlightFill = RandomBrush();
vs.HighlightLine = RandomPen();
vs.HighlightOutline = RandomPen();
vs.HighlightSymbol = RandomSymbol();
vs.SelectFill = RandomBrush();
vs.SelectLine = RandomPen();
vs.SelectOutline = RandomPen();
vs.SelectSymbol = RandomSymbol();
return(vs);
}
public IDictionary <string, GeometryStyle> ParseFeatureStyle(XmlDocument doc)
{
Dictionary <string, GeometryStyle> styles = new Dictionary <string, GeometryStyle>();
// Load SLD file
NameTable nt = new NameTable();
XmlNamespaceManager nsm = new XmlNamespaceManager(nt);
nsm.AddNamespace("sld", "http://www.opengis.net/sld");
nsm.AddNamespace("ogc", "http://www.opengis.net/ogc");
nsm.AddNamespace("xlink", "http://www.w3.org/1999/xlink");
XmlDocument sldConfig = new XmlDocument(nt);
sldConfig.LoadXml(doc.OuterXml);
XmlNodeList featureTypeStyleEls = sldConfig.SelectNodes("//sld:FeatureTypeStyle", nsm);
foreach (XmlElement featTypeStyle in featureTypeStyleEls)
{
XmlElement el = (XmlElement)featTypeStyle.SelectSingleNode("sld:FeatureTypeName", nsm);
string mainName = el != null ? el.InnerText : "";
XmlNodeList rules = featTypeStyle.SelectNodes("sld:Rule", nsm);
foreach (XmlElement rule in rules)
{
el = (XmlElement)rule.SelectSingleNode("sld:Name", nsm);
string name = el != null ? el.InnerText : "";
GeometryStyle style = new GeometryStyle();
SetSymbologyForRule(style, rule, nsm);
styles.Add(mainName + ":" + name, style);
}
}
return(styles);
//style.AreFeaturesSelectable
//style.Enabled
//style.EnableOutline
//style.Fill
//style.HighlightFill
//style.HighlightLine
//style.HighlightOutline
//style.HighlightSymbol
//style.Line
//style.MaxVisible
//style.MinVisible
//style.Outline
//style.RenderingMode
//style.SelectFill
//style.SelectLine
//style.SelectOutline
//style.SelectSymbol
}
private void SetStrokeStyle(GeometryStyle style, XmlElement StrokeSymbolizer, XmlNamespaceManager nsm)
{
string stroke = string.Empty;
string strokeWidth = string.Empty;
string strokeOpacity = string.Empty;
string strokeLinejoin = string.Empty;
string strokeLineCap = string.Empty;
string strokeDasharray = string.Empty;
string strokeDashOffset = string.Empty;
string fill = string.Empty;
string fillOpacity = string.Empty;
string pointSymbolPath = string.Empty;
XmlNodeList polygonStrokeSymbols = StrokeSymbolizer.SelectNodes("sld:Stroke/sld:CssParameter", nsm);
foreach (XmlElement polygonStrokeSymbol in polygonStrokeSymbols)
{
if (polygonStrokeSymbol != null)
{
switch (polygonStrokeSymbol.GetAttribute("name"))
{
// line
case "stroke":
stroke = polygonStrokeSymbol.InnerXml;
break;
case "stroke-width":
strokeWidth = polygonStrokeSymbol.InnerXml;
break;
case "stroke-opacity":
strokeOpacity = polygonStrokeSymbol.InnerXml;
break;
case "stroke-linejoin": //“mitre”, “round”, and “bevel”
strokeLinejoin = polygonStrokeSymbol.InnerXml;
break;
case "stroke-linecap": //“butt”, “round”, and “square”.
strokeLineCap = polygonStrokeSymbol.InnerXml;
break;
case "stroke-dasharray":
strokeDasharray = polygonStrokeSymbol.InnerXml;
break;
case "stroke-dashoffset":
strokeDashOffset = polygonStrokeSymbol.InnerXml;
break;
}
}
}
SetStyle(style, stroke, strokeWidth, strokeOpacity, strokeLinejoin, strokeLineCap, strokeDasharray,
strokeDashOffset, fill, fillOpacity, pointSymbolPath);
}
private IStyle calculateVectorStyle(IStyle min, IStyle max, Double value)
{
if (!(min is GeometryStyle && max is GeometryStyle))
{
throw new ArgumentException(
"Both min style and max style must be vector styles to compute a gradient vector style");
}
GeometryStyle style = new GeometryStyle();
GeometryStyle vectorMin = min as GeometryStyle;
GeometryStyle vectorMax = max as GeometryStyle;
Double dFrac = fraction(value);
Single fFrac = Convert.ToSingle(dFrac);
style.Enabled = (dFrac > 0.5 ? min.Enabled : max.Enabled);
style.EnableOutline = (dFrac > 0.5 ? vectorMin.EnableOutline : vectorMax.EnableOutline);
if (_fillColorBlend != null)
{
style.Fill = new SolidStyleBrush(_fillColorBlend.GetColor(fFrac));
}
else if (vectorMin.Fill != null && vectorMax.Fill != null)
{
style.Fill = interpolateBrush(vectorMin.Fill, vectorMax.Fill, value);
}
if (vectorMin.Line != null && vectorMax.Line != null)
{
style.Line = interpolatePen(vectorMin.Line, vectorMax.Line, value);
}
if (_lineColorBlend != null)
{
style.Line.BackgroundBrush = new SolidStyleBrush(_lineColorBlend.GetColor(fFrac));
}
if (vectorMin.Outline != null && vectorMax.Outline != null)
{
style.Outline = interpolatePen(vectorMin.Outline, vectorMax.Outline, value);
}
style.MinVisible = interpolateDouble(min.MinVisible, max.MinVisible, value);
style.MaxVisible = interpolateDouble(min.MaxVisible, max.MaxVisible, value);
style.Symbol = (dFrac > 0.5 ? vectorMin.Symbol : vectorMax.Symbol);
style.HighlightSymbol = (dFrac > 0.5 ? vectorMin.HighlightSymbol : vectorMax.HighlightSymbol);
//We don't interpolate the offset but let it follow the symbol instead
style.SelectSymbol = (dFrac > 0.5 ? vectorMin.SelectSymbol : vectorMax.SelectSymbol);
return(style);
}
private IEnumerable <TRenderObject> enumerateGeoCollection(
IGeometryCollection collection, GeometryStyle style, RenderState renderState)
{
foreach (IGeometry geometry in collection)
{
IEnumerable <TRenderObject> rendering
= renderGeometry(geometry, style, renderState);
foreach (TRenderObject renderObject in rendering)
{
yield return(renderObject);
}
}
}
private void SetStrokeStyle(GeometryStyle style, XmlElement StrokeSymbolizer, XmlNamespaceManager nsm)
{
string stroke = string.Empty;
string strokeWidth = string.Empty;
string strokeOpacity = string.Empty;
string strokeLinejoin = string.Empty;
string strokeLineCap = string.Empty;
string strokeDasharray = string.Empty;
string strokeDashOffset = string.Empty;
string fill = string.Empty;
string fillOpacity = string.Empty;
string pointSymbolPath = string.Empty;
XmlNodeList polygonStrokeSymbols = StrokeSymbolizer.SelectNodes("sld:Stroke/sld:CssParameter", nsm);
foreach (XmlElement polygonStrokeSymbol in polygonStrokeSymbols)
{
if (polygonStrokeSymbol != null)
{
switch (polygonStrokeSymbol.GetAttribute("name"))
{
// line
case "stroke":
stroke = polygonStrokeSymbol.InnerXml;
break;
case "stroke-width":
strokeWidth = polygonStrokeSymbol.InnerXml;
break;
case "stroke-opacity":
strokeOpacity = polygonStrokeSymbol.InnerXml;
break;
case "stroke-linejoin": //“mitre”, “round”, and “bevel”
strokeLinejoin = polygonStrokeSymbol.InnerXml;
break;
case "stroke-linecap": //“butt”, “round”, and “square”.
strokeLineCap = polygonStrokeSymbol.InnerXml;
break;
case "stroke-dasharray":
strokeDasharray = polygonStrokeSymbol.InnerXml;
break;
case "stroke-dashoffset":
strokeDashOffset = polygonStrokeSymbol.InnerXml;
break;
}
}
}
SetStyle(style, stroke, strokeWidth, strokeOpacity, strokeLinejoin, strokeLineCap, strokeDasharray,
strokeDashOffset, fill, fillOpacity, pointSymbolPath);
}
/// <summary>
/// Creates a new instance of the PointSymbolControl.
/// </summary>
public SymbolControl()
{
InitializeComponent();
ItemCount = 17;
CellWidth = 24;
CellHeight = 24;
for (int i = 0; i < ItemCount; i++)
{
var sdo = new GeometryStyle();
sdo.Marker.SetVectorMarker((VectorMarker)i);
sdo.Marker.Size = 0.8f * CellWidth;
sdo.Fill.Color = Color.Orange;
_icons.Add(sdo);
}
OnDrawItem += PointSymbolControl_OnDrawItem;
}
private void SetFillStyle(GeometryStyle style, XmlElement fillSymbolizer, XmlNamespaceManager nsm)
{
string stroke = string.Empty;
string strokeWidth = string.Empty;
string strokeOpacity = string.Empty;
string strokeLinejoin = string.Empty;
string strokeLineCap = string.Empty;
string strokeDasharray = string.Empty;
string strokeDashOffset = string.Empty;
string fill = string.Empty;
string fillOpacity = string.Empty;
string pointSymbolPath = string.Empty;
XmlNodeList polygonFillSymbols = fillSymbolizer.SelectNodes("sld:Fill/sld:CssParameter", nsm);
foreach (XmlElement polygonFillSymbol in polygonFillSymbols)
{
if (polygonFillSymbol != null)
{
switch (polygonFillSymbol.GetAttribute("name"))
{
//polygon
case "fill":
fill = polygonFillSymbol.InnerXml;
break;
case "fill-opacity":
fillOpacity = polygonFillSymbol.InnerXml;
break;
}
}
}
SetStyle(style, stroke, strokeWidth, strokeOpacity, strokeLinejoin, strokeLineCap, strokeDasharray,
strokeDashOffset, fill, fillOpacity, pointSymbolPath);
//Call down to stroke style
SetStrokeStyle(style, fillSymbolizer, nsm);
}
private void SetSymbologyForRule(GeometryStyle style, XmlElement rule, XmlNamespaceManager nsm)
{
XmlNodeList polygonSymbolizers = rule.SelectNodes("sld:PolygonSymbolizer", nsm);
XmlNodeList lineSymbolizers = rule.SelectNodes("sld:LineSymbolizer", nsm);
XmlNodeList pointSymbolizers = rule.SelectNodes("sld:PointSymbolizer", nsm);
if (polygonSymbolizers != null)
{
if (polygonSymbolizers.Count > 0)
{
foreach (XmlElement polygonSymbolizer in polygonSymbolizers)
{
SetFillStyle(style, polygonSymbolizer, nsm);
}
}
}
if (lineSymbolizers != null)
{
if (lineSymbolizers.Count > 0)
{
foreach (XmlElement lineSymbolizer in lineSymbolizers)
{
SetStrokeStyle(style, lineSymbolizer, nsm);
}
}
}
if (pointSymbolizers != null)
{
if (pointSymbolizers.Count > 0)
{
foreach (XmlElement pointSymbolizer in pointSymbolizers)
{
SetPointStyle(style, pointSymbolizer, nsm);
}
}
}
}
private void SetFillStyle(GeometryStyle style, XmlElement fillSymbolizer, XmlNamespaceManager nsm)
{
string stroke = string.Empty;
string strokeWidth = string.Empty;
string strokeOpacity = string.Empty;
string strokeLinejoin = string.Empty;
string strokeLineCap = string.Empty;
string strokeDasharray = string.Empty;
string strokeDashOffset = string.Empty;
string fill = string.Empty;
string fillOpacity = string.Empty;
string pointSymbolPath = string.Empty;
XmlNodeList polygonFillSymbols = fillSymbolizer.SelectNodes("sld:Fill/sld:CssParameter", nsm);
foreach (XmlElement polygonFillSymbol in polygonFillSymbols)
{
if (polygonFillSymbol != null)
{
switch (polygonFillSymbol.GetAttribute("name"))
{
//polygon
case "fill":
fill = polygonFillSymbol.InnerXml;
break;
case "fill-opacity":
fillOpacity = polygonFillSymbol.InnerXml;
break;
}
}
}
SetStyle(style, stroke, strokeWidth, strokeOpacity, strokeLinejoin, strokeLineCap, strokeDasharray,
strokeDashOffset, fill, fillOpacity, pointSymbolPath);
//Call down to stroke style
SetStrokeStyle(style, fillSymbolizer, nsm);
}
private void styles_ListChanged(object sender, ListChangedEventArgs e)
{
if (e.ListChangedType == ListChangedType.ItemAdded)
{
string name = "";
GeometryStyle style = null;
object o = styles[e.NewIndex];
if (o is KeyValuePair <string, GeometryStyle> )
{
KeyValuePair <string, GeometryStyle> kvp = (KeyValuePair <string, GeometryStyle>)o;
name = kvp.Key;
style = kvp.Value;
}
stylesTree1.AddStyleNode(e.NewIndex, name, style);
}
else if (e.ListChangedType == ListChangedType.ItemDeleted)
{
stylesTree1.Nodes.RemoveAt(e.OldIndex);
}
}
private static GeometryStyle generateStyle(String layer)
{
GeometryStyle style = new GeometryStyle();
style.Enabled = true;
switch (layer)
{
case "Marshland":
case "Robot Tracks":
case "Roads":
case "Fires":
case "Treasures":
case "Nice Views":
case "Fault Lines":
case "Contamination":
case "Notices":
case "Radioactive Fuel Rods":
case "Bases":
case "Houses":
case "Measures":
case "Contacts":
case "Prospects":
default:
style.Fill = new SolidStyleBrush(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value);
style.HighlightFill = new SolidStyleBrush(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value);
style.SelectFill = new SolidStyleBrush(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value);
style.Outline = new StylePen(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value, _rnd.NextDouble() * 6);
style.HighlightOutline = new StylePen(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value, _rnd.NextDouble() * 6);
style.SelectOutline = new StylePen(getColorEntry(_rnd.Next(0, _colorTable.Count)).Value, _rnd.NextDouble() * 6);
break;
}
return style;
}
private IEnumerable <TRenderObject> renderGeometry(
IGeometry geometry, GeometryStyle style, RenderState renderState)
{
if (geometry is IPolygon)
{
return(DrawPolygon(geometry as IPolygon,
style.Fill, style.HighlightFill, style.SelectFill,
style.Outline, style.HighlightOutline, style.SelectOutline,
renderState));
}
if (geometry is IMultiPolygon)
{
return(DrawMultiPolygon(geometry as IMultiPolygon,
style.Fill, style.HighlightFill, style.SelectFill,
style.Outline, style.HighlightOutline, style.SelectOutline,
renderState));
}
if (geometry is ILineString)
{
return(DrawLineString(geometry as ILineString,
style.Line, style.HighlightLine, style.SelectLine,
style.Outline, style.HighlightOutline, style.SelectOutline,
renderState));
}
if (geometry is IMultiLineString)
{
return(DrawMultiLineString(geometry as IMultiLineString,
style.Line, style.HighlightLine, style.SelectLine,
style.Outline, style.HighlightOutline, style.SelectOutline,
renderState));
}
if (geometry is IPoint)
{
return(DrawPoint(geometry as IPoint,
style.Symbol, style.HighlightSymbol, style.SelectSymbol,
renderState));
}
if (geometry is IMultiPoint)
{
return(DrawMultiPoint(geometry as IMultiPoint,
style.Symbol, style.HighlightSymbol, style.SelectSymbol,
renderState));
}
if (geometry is IGeometryCollection)
{
//List<TRenderObject> renderObjects = new List<TRenderObject>();
//foreach (IGeometry g in (geometry as IGeometryCollection))
//{
// renderObjects.AddRange(renderGeometry(g, style, renderState));
//}
//return renderObjects;
return(enumerateGeoCollection(geometry as IGeometryCollection, style, renderState));
}
throw new NotSupportedException(
String.Format("IGeometry type is not supported: {0}", geometry.GetType()));
}
/// <summary>
/// Fills the image list with icons according to the selected colors
/// </summary>
protected override void RefreshImageList()
{
if (_style == ImageComboStyle.Common)
{
return;
}
_list.Images.Clear();
int width = _style == ImageComboStyle.PointShape ? 20 : 64;
Size sz = new Size(width, 16);
_list.ImageSize = sz;
int imgHeight = _list.ImageSize.Height;
int imgWidth = _list.ImageSize.Width;
var rect = new Rectangle(PADDING_X, PADDING_Y, imgWidth - 1 - PADDING_X * 2, imgHeight - 1 - PADDING_Y * 2);
var foreColor = Enabled ? Color.Black : Color.Gray;
for (int i = 0; i < _itemCount; i++)
{
var img = new Bitmap(imgWidth, imgHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var g = Graphics.FromImage(img);
switch (_style)
{
// frame type combo
case ImageComboStyle.FrameType:
{
if (i == 0)
{
g.FillRectangle(new SolidBrush(_color1), rect);
g.DrawRectangle(new Pen(foreColor), rect);
}
else if (i == 1)
{
g.FillEllipse(new SolidBrush(_color1), rect);
g.DrawEllipse(new Pen(foreColor), rect);
}
else if (i == 2)
{
float left = rect.X;
float right = rect.X + rect.Width;
float top = rect.Y;
float bottom = rect.Y + rect.Height;
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddLine(left + (rect.Height / 4), top, right - (rect.Height / 4), top);
path.AddLine(right - (rect.Height / 4), top, right, (top + bottom) / 2);
path.AddLine(right, (top + bottom) / 2, right - (rect.Height / 4), bottom);
path.AddLine(right - (rect.Height / 4), bottom, left + (rect.Height / 4), bottom);
path.AddLine(left + (rect.Height / 4), bottom, left, (top + bottom) / 2);
path.AddLine(left, (top + bottom) / 2, left + (rect.Height / 4), top);
path.CloseFigure();
g.FillPath(new SolidBrush(_color1), path);
g.DrawPath(new Pen(foreColor), path);
path.Dispose();
}
break;
}
// linear gradient combo
case ImageComboStyle.LinearGradient:
{
if ((LinearGradient)i == LinearGradient.None)
{
g.FillRectangle(new SolidBrush(_color1), rect);
g.DrawRectangle(new Pen(_outlineColor), rect);
}
else
{
LinearGradientBrush lgb = new LinearGradientBrush(rect, _color1, _color2, (LinearGradientMode)i);
g.FillRectangle(lgb, rect);
g.DrawRectangle(new Pen(_outlineColor), rect);
lgb.Dispose();
}
break;
}
// line style combo
case ImageComboStyle.LineStyle:
{
var pen = new Pen(_outlineColor)
{
DashStyle = (DashStyle)i, Width = 2
};
g.DrawLine(pen, new Point(rect.Left, rect.Top + rect.Height / 2),
new Point(rect.Right, rect.Top + rect.Height / 2));
break;
}
// line width combo
case ImageComboStyle.LineWidth:
{
var pen = new Pen(_outlineColor)
{
Width = i + 1
};
g.DrawLine(pen, new Point(rect.Left, rect.Top + rect.Height / 2),
new Point(rect.Right, rect.Top + rect.Height / 2));
break;
}
case ImageComboStyle.PointShape:
{
IGeometryStyle sdo = new GeometryStyle();
sdo.Fill.Color = _color1;
sdo.Line.Color = _outlineColor;
var marker = sdo.Marker;
marker.VectorMarker = (VectorMarkerType)i;
marker.Type = MarkerType.Vector;
marker.Size = 12;
if (marker.VectorMarker == VectorMarkerType.Star)
{
marker.VectorSideCount = 5;
marker.Rotation = 17;
marker.Size = 14;
}
else if (marker.VectorMarker == VectorMarkerType.Arrow)
{
marker.Size = 14;
marker.Rotation = 0;
}
else
{
marker.VectorSideCount = 4;
marker.Rotation = 0;
marker.Size = 12;
}
sdo.DrawPoint(g, 0.0f, 0.0f, imgWidth, imgHeight, BackColor);
break;
}
case ImageComboStyle.HatchStyle:
{
HatchBrush br = new HatchBrush((HatchStyle)i, _color1, Color.Transparent);
g.FillRectangle(br, rect);
g.DrawRectangle(new Pen(_outlineColor), rect);
br.Dispose();
break;
}
case ImageComboStyle.HatchStyleWithNone:
{
if (i == 0)
{
g.FillRectangle(new SolidBrush(_color1), rect);
g.DrawRectangle(new Pen(_outlineColor), rect);
}
else
{
HatchBrush br = new HatchBrush((HatchStyle)(i - 1), _color1, Color.Transparent);
g.FillRectangle(br, rect);
g.DrawRectangle(new Pen(_outlineColor), rect);
br.Dispose();
}
break;
}
default: return;
}
_list.Images.Add(img);
}
}
public void AddStyleNode(int index, string name, GeometryStyle style)
{
Nodes.Insert(index, new GeometryStyleNode(style, name));
}
private void AppendPoints(GeometryStyle style, List<PointF> points)
{
if (_points.ContainsKey(style) == false)
_points[style] = new List<PointF>();
_points[style].AddRange(points);
}
public void AddStyleNode(int index, string name, GeometryStyle style)
{
Nodes.Insert(index, new GeometryStyleNode(style, name));
}
private void AppendStrokePath(GeometryStyle style, GraphicsPath stroke)
{
if (_strokes.ContainsKey(style) == false)
_strokes[style] = new List<GraphicsPath>();
_strokes[style].Add(stroke);
}
private void AppendFilledPath(GeometryStyle style, GraphicsPath path)
{
if (_fills.ContainsKey(style) == false)
_fills[style] = new List<GraphicsPath>();
_fills[style].Add(path);
}
/// <summary>
/// Renders the geometry of the <paramref name="feature"/>.
/// </summary>
/// <param name="feature">The feature to render.</param>
/// <param name="style">The style to use to render the feature.</param>
/// <returns>An enumeration of positioned render objects suitable for display.</returns>
protected override IEnumerable <TRenderObject> DoRenderFeature(IFeatureDataRecord feature, GeometryStyle style, RenderState renderState, ILayer layer)
{
if (feature == null)
{
throw new ArgumentNullException("feature");
}
if (style == null)
{
throw new ArgumentNullException("style");
}
if (feature.Geometry == null)
{
throw new InvalidOperationException("Feature must have a geometry to be rendered.");
}
return(renderGeometry(feature.Geometry, style, renderState));
}
/// <summary>
/// Initializes a new layer with the given name, style and datasource.
/// </summary>
/// <param name="layername">Name of the layer.</param>
/// <param name="style">Style to apply to the layer.</param>
/// <param name="dataSource">Data source.</param>
public GeometryLayer(String layername, GeometryStyle style, IFeatureProvider dataSource)
: base(layername, style, dataSource) { }
private IStyle calculateVectorStyle(IStyle min, IStyle max, Double value)
{
if (!(min is GeometryStyle && max is GeometryStyle))
{
throw new ArgumentException(
"Both min style and max style must be vector styles to compute a gradient vector style");
}
GeometryStyle style = new GeometryStyle();
GeometryStyle vectorMin = min as GeometryStyle;
GeometryStyle vectorMax = max as GeometryStyle;
Double dFrac = fraction(value);
Single fFrac = Convert.ToSingle(dFrac);
style.Enabled = (dFrac > 0.5 ? min.Enabled : max.Enabled);
style.EnableOutline = (dFrac > 0.5 ? vectorMin.EnableOutline : vectorMax.EnableOutline);
if (_fillColorBlend != null)
{
style.Fill = new SolidStyleBrush(_fillColorBlend.GetColor(fFrac));
}
else if (vectorMin.Fill != null && vectorMax.Fill != null)
{
style.Fill = interpolateBrush(vectorMin.Fill, vectorMax.Fill, value);
}
if (vectorMin.Line != null && vectorMax.Line != null)
{
style.Line = interpolatePen(vectorMin.Line, vectorMax.Line, value);
}
if (_lineColorBlend != null)
{
style.Line.BackgroundBrush = new SolidStyleBrush(_lineColorBlend.GetColor(fFrac));
}
if (vectorMin.Outline != null && vectorMax.Outline != null)
{
style.Outline = interpolatePen(vectorMin.Outline, vectorMax.Outline, value);
}
style.MinVisible = interpolateDouble(min.MinVisible, max.MinVisible, value);
style.MaxVisible = interpolateDouble(min.MaxVisible, max.MaxVisible, value);
style.Symbol = (dFrac > 0.5 ? vectorMin.Symbol : vectorMax.Symbol);
style.HighlightSymbol = (dFrac > 0.5 ? vectorMin.HighlightSymbol : vectorMax.HighlightSymbol);
//We don't interpolate the offset but let it follow the symbol instead
style.SelectSymbol = (dFrac > 0.5 ? vectorMin.SelectSymbol : vectorMax.SelectSymbol);
return style;
}
private void SetSymbologyForRule(GeometryStyle style, XmlElement rule, XmlNamespaceManager nsm)
{
XmlNodeList polygonSymbolizers = rule.SelectNodes("sld:PolygonSymbolizer", nsm);
XmlNodeList lineSymbolizers = rule.SelectNodes("sld:LineSymbolizer", nsm);
XmlNodeList pointSymbolizers = rule.SelectNodes("sld:PointSymbolizer", nsm);
if (polygonSymbolizers != null)
if (polygonSymbolizers.Count > 0)
{
foreach (XmlElement polygonSymbolizer in polygonSymbolizers)
{
SetFillStyle(style, polygonSymbolizer, nsm);
}
}
if (lineSymbolizers != null)
if (lineSymbolizers.Count > 0)
{
foreach (XmlElement lineSymbolizer in lineSymbolizers)
{
SetStrokeStyle(style, lineSymbolizer, nsm);
}
}
if (pointSymbolizers != null)
if (pointSymbolizers.Count > 0)
{
foreach (XmlElement pointSymbolizer in pointSymbolizers)
{
SetPointStyle(style, pointSymbolizer, nsm);
}
}
}
public static Geometry FromFileSystemEntry(FileSystemEntry entry)
{
var geometry = new Geometry();
using (var stream = entry.Open())
using (var reader = new StreamReader(stream))
{
string line;
int image = 0;
float thickness = 0;
Matrix2x2 rotMat = new Matrix2x2();
Vector2 translation = new Vector2();
ColorRgba color = new ColorRgba(0, 0, 0, 0);
GeometryStyle style = GeometryStyle.Undefined;
var tris = new List <Triangle2D>();
var lines = new List <Line2D>();
Action ApplyStyle = () =>
{
switch (style)
{
//no data parsed yet
case GeometryStyle.Undefined:
break;
case GeometryStyle.TexturedTri:
geometry.Entries.Add(new GeometryTexturedTriangles(new List <Triangle2D>(tris), color, image, rotMat, translation));
tris.Clear();
break;
case GeometryStyle.SolidTri:
geometry.Entries.Add(new GeometrySolidTriangles(new List <Triangle2D>(tris), color));
tris.Clear();
break;
case GeometryStyle.Line:
geometry.Entries.Add(new GeometryLines(new List <Line2D>(lines), color, thickness));
lines.Clear();
break;
}
style = GeometryStyle.Undefined;
};
while ((line = reader.ReadLine()) != null)
{
line = line.Trim();
var lineMode = line.First();
line = line.TrimStart('c', 's', 'l', 't');
var paramList = line.Split(':');
//trim each entry of the param list
for (var i = 0; i < paramList.Length; ++i)
{
paramList[i] = paramList[i].Trim();
}
switch (lineMode)
{
//Clear - Finish the last geometry
case 'c':
ApplyStyle();
break;
//Style - Header for the following data
case 's':
//Check that we have atleast 1 param
if (paramList.Length < 1)
{
throw new InvalidDataException();
}
//Check which style we are using
switch (paramList.First())
{
//this is the solid triangle style
case "s":
if (paramList.Length != 5)
{
throw new InvalidDataException();
}
style = GeometryStyle.SolidTri;
color.R = Convert.ToByte(paramList[1]);
color.G = Convert.ToByte(paramList[2]);
color.B = Convert.ToByte(paramList[3]);
color.A = Convert.ToByte(paramList[4]);
break;
//this is the line style
case "l":
if (paramList.Length != 6)
{
throw new InvalidDataException();
}
style = GeometryStyle.Line;
thickness = ParseUtility.ParseFloat(paramList[1]);
color.R = Convert.ToByte(paramList[2]);
color.G = Convert.ToByte(paramList[3]);
color.B = Convert.ToByte(paramList[4]);
color.A = Convert.ToByte(paramList[5]);
break;
//this is the textured triangle style
case "tc":
if (paramList.Length != 12)
{
throw new InvalidDataException();
}
style = GeometryStyle.TexturedTri;
color.R = Convert.ToByte(paramList[1]);
color.G = Convert.ToByte(paramList[2]);
color.B = Convert.ToByte(paramList[3]);
color.A = Convert.ToByte(paramList[4]);
//image id used
image = Convert.ToInt32(paramList[5]);
//transformation parameters, to map the geometry above the texture
rotMat.M11 = ParseUtility.ParseFloat(paramList[6]);
rotMat.M12 = ParseUtility.ParseFloat(paramList[7]);
rotMat.M21 = ParseUtility.ParseFloat(paramList[8]);
rotMat.M22 = ParseUtility.ParseFloat(paramList[9]);
translation.X = ParseUtility.ParseFloat(paramList[10]);
translation.Y = ParseUtility.ParseFloat(paramList[11]);
break;
}
break;
//A line
case 'l':
Line2D lin;
lin.V0 = new Vector2(ParseUtility.ParseFloat(paramList[0]), ParseUtility.ParseFloat(paramList[1]));
lin.V1 = new Vector2(ParseUtility.ParseFloat(paramList[2]), ParseUtility.ParseFloat(paramList[3]));
lines.Add(lin);
break;
//A triangle
case 't':
Triangle2D tri;
tri.V0 = new Vector2(ParseUtility.ParseFloat(paramList[0]), ParseUtility.ParseFloat(paramList[1]));
tri.V1 = new Vector2(ParseUtility.ParseFloat(paramList[2]), ParseUtility.ParseFloat(paramList[3]));
tri.V2 = new Vector2(ParseUtility.ParseFloat(paramList[4]), ParseUtility.ParseFloat(paramList[5]));
tris.Add(tri);
break;
}
}
ApplyStyle();
}
geometry.CalculateBoundings();
return(geometry);
}
private void SetStyle(
GeometryStyle style,
string stroke,
string strokeWidth,
string strokeOpacity,
string strokeLinejoin,
string strokeLineCap,
string strokeDasharray,
string strokeDashOffset,
string fill,
string fillOpacity,
string pointSymbolPath
)
{
if (!String.IsNullOrEmpty(stroke))
{
Color color = ColorTranslator.FromHtml(stroke);
int opacity = 255;
double width = 1;
if (!String.IsNullOrEmpty(strokeOpacity))
{
opacity = Convert.ToInt32(Math.Round(Convert.ToDouble(strokeOpacity) / 0.0039215, 0));
if (opacity > 255)
{
opacity = 255;
}
}
if (!String.IsNullOrEmpty(strokeWidth))
{
width = Convert.ToDouble(strokeWidth);
}
StyleBrush brush =
new SolidStyleBrush(new StyleColor(Convert.ToInt32(color.B), Convert.ToInt32(color.G),
Convert.ToInt32(color.R), opacity));
StylePen pen = new StylePen(brush, width);
if (!String.IsNullOrEmpty(strokeLinejoin))
{
switch (strokeLinejoin.ToLower())
{
case "mitre":
pen.LineJoin = StyleLineJoin.Miter;
break;
case "round":
pen.LineJoin = StyleLineJoin.Round;
break;
case "bevel":
pen.LineJoin = StyleLineJoin.Bevel;
break;
//case "miterclipped": // Not in SLD
// pen.LineJoin = StyleLineJoin.MiterClipped;
// break;
}
}
if (!String.IsNullOrEmpty(strokeLineCap))
{
switch (strokeLineCap.ToLower())
{
case "butt":
pen.StartCap = StyleLineCap.Flat;
pen.EndCap = StyleLineCap.Flat;
break;
case "round":
pen.StartCap = StyleLineCap.Round;
pen.EndCap = StyleLineCap.Round;
break;
case "square":
pen.StartCap = StyleLineCap.Square;
pen.EndCap = StyleLineCap.Square;
break;
// N.B. Loads of others not used in SLD
}
}
if (!String.IsNullOrEmpty(strokeDasharray))
{
string[] Numbers = strokeDasharray.Split(Char.Parse(" "));
IEnumerable <float> dbls = Processor.Select(Numbers, delegate(string o) { return(float.Parse(o)); });
pen.DashPattern = Enumerable.ToArray(dbls);
}
if (!String.IsNullOrEmpty(strokeDashOffset))
{
float dashOffset;
bool success;
success = float.TryParse(strokeDashOffset, out dashOffset);
if (success)
{
pen.DashOffset = dashOffset;
}
}
// Set pen
style.Line = pen;
}
if (!String.IsNullOrEmpty(fill))
{
Color color = ColorTranslator.FromHtml(fill);
int opacity = 255;
if (!String.IsNullOrEmpty(fillOpacity))
{
opacity = Convert.ToInt32(Math.Round(Convert.ToDouble(fillOpacity) / 0.0039215, 0));
if (opacity > 255)
{
opacity = 255;
}
}
StyleBrush brush =
new SolidStyleBrush(new StyleColor(Convert.ToInt32(color.B), Convert.ToInt32(color.G),
Convert.ToInt32(color.R), opacity));
style.Fill = brush;
}
if (!String.IsNullOrEmpty(pointSymbolPath))
{
Uri source = new Uri(pointSymbolPath);
if (source.IsFile && File.Exists(source.AbsolutePath))
{
Bitmap b = new Bitmap(source.AbsolutePath);
MemoryStream ms = new MemoryStream();
b.Save(ms, ImageFormat.Png);
ms.Seek(0, SeekOrigin.Begin);
style.Symbol = new Symbol2D(ms, new Size2D(12, 10));
}
else if (source.IsAbsoluteUri)
{
///TODO
}
}
style.Enabled = true;
style.EnableOutline = true;
}
/// <summary>
/// Creates a new BasicGeometryRenderer2D with the given VectorRenderer2D instance.
/// </summary>
/// <param name="vectorRenderer">
/// A vector renderer.
/// </param>
/// <param name="defaultStyle">
/// The default style to apply to a feature's geometry.
/// </param>
public BasicGeometryRenderer2D(VectorRenderer2D <TRenderObject> vectorRenderer, GeometryStyle defaultStyle)
: base(vectorRenderer)
{
DefaultStyle = defaultStyle;
}
private void SetPointStyle(GeometryStyle style, XmlElement PointSymbolizer, XmlNamespaceManager nsm)
{
string stroke = string.Empty;
string strokeWidth = string.Empty;
string strokeOpacity = string.Empty;
string strokeLinejoin = string.Empty;
string strokeLineCap = string.Empty;
string strokeDasharray = string.Empty;
string strokeDashOffset = string.Empty;
string fill = string.Empty;
string fillOpacity = string.Empty;
string pointSymbolPath = string.Empty;
XmlNodeList pointSymbols = PointSymbolizer.SelectNodes(
"sld:Graphic/sld:ExternalGraphic/sld:OnlineResource", nsm);
foreach (XmlElement pointSymbol in pointSymbols)
{
if (pointSymbol != null)
{
pointSymbolPath = pointSymbol.GetAttribute("xlink:href");
}
}
SetStyle(style, stroke, strokeWidth, strokeOpacity, strokeLinejoin, strokeLineCap, strokeDasharray,
strokeDashOffset, fill, fillOpacity, pointSymbolPath);
}
private Pen FromGeomStyleToPen(GeometryStyle geometryStyle)
{
System.Windows.Media.Color c = geometryStyle.StrokeColor;
Pen v_pen = new Pen(Color.FromArgb(c.A, c.R, c.G, c.B), geometryStyle.StrokeWidth);
v_pen.LineJoin = LineJoin.Round;
return v_pen;
}
public IDictionary<string, GeometryStyle> ParseFeatureStyle(XmlDocument doc)
{
Dictionary<string, GeometryStyle> styles = new Dictionary<string, GeometryStyle>();
// Load SLD file
NameTable nt = new NameTable();
XmlNamespaceManager nsm = new XmlNamespaceManager(nt);
nsm.AddNamespace("sld", "http://www.opengis.net/sld");
nsm.AddNamespace("ogc", "http://www.opengis.net/ogc");
nsm.AddNamespace("xlink", "http://www.w3.org/1999/xlink");
XmlDocument sldConfig = new XmlDocument(nt);
sldConfig.LoadXml(doc.OuterXml);
XmlNodeList featureTypeStyleEls = sldConfig.SelectNodes("//sld:FeatureTypeStyle", nsm);
foreach (XmlElement featTypeStyle in featureTypeStyleEls)
{
XmlElement el = (XmlElement) featTypeStyle.SelectSingleNode("sld:FeatureTypeName", nsm);
string mainName = el != null ? el.InnerText : "";
XmlNodeList rules = featTypeStyle.SelectNodes("sld:Rule", nsm);
foreach (XmlElement rule in rules)
{
el = (XmlElement) rule.SelectSingleNode("sld:Name", nsm);
string name = el != null ? el.InnerText : "";
GeometryStyle style = new GeometryStyle();
SetSymbologyForRule(style, rule, nsm);
styles.Add(mainName + ":" + name, style);
}
}
return styles;
//style.AreFeaturesSelectable
//style.Enabled
//style.EnableOutline
//style.Fill
//style.HighlightFill
//style.HighlightLine
//style.HighlightOutline
//style.HighlightSymbol
//style.Line
//style.MaxVisible
//style.MinVisible
//style.Outline
//style.RenderingMode
//style.SelectFill
//style.SelectLine
//style.SelectOutline
//style.SelectSymbol
}
private Brush FromGeomStyleToBrush(GeometryStyle geometryStyle)
{
System.Windows.Media.Color c = geometryStyle.FillColor;
return new SolidBrush(Color.FromArgb(c.A, c.R, c.G, c.B));
}
private void SetStyle(
GeometryStyle style,
string stroke,
string strokeWidth,
string strokeOpacity,
string strokeLinejoin,
string strokeLineCap,
string strokeDasharray,
string strokeDashOffset,
string fill,
string fillOpacity,
string pointSymbolPath
)
{
if (!String.IsNullOrEmpty(stroke))
{
Color color = ColorTranslator.FromHtml(stroke);
int opacity = 255;
double width = 1;
if (!String.IsNullOrEmpty(strokeOpacity))
{
opacity = Convert.ToInt32(Math.Round(Convert.ToDouble(strokeOpacity)/0.0039215, 0));
if (opacity > 255)
opacity = 255;
}
if (!String.IsNullOrEmpty(strokeWidth))
{
width = Convert.ToDouble(strokeWidth);
}
StyleBrush brush =
new SolidStyleBrush(new StyleColor(Convert.ToInt32(color.B), Convert.ToInt32(color.G),
Convert.ToInt32(color.R), opacity));
StylePen pen = new StylePen(brush, width);
if (!String.IsNullOrEmpty(strokeLinejoin))
{
switch (strokeLinejoin.ToLower())
{
case "mitre":
pen.LineJoin = StyleLineJoin.Miter;
break;
case "round":
pen.LineJoin = StyleLineJoin.Round;
break;
case "bevel":
pen.LineJoin = StyleLineJoin.Bevel;
break;
//case "miterclipped": // Not in SLD
// pen.LineJoin = StyleLineJoin.MiterClipped;
// break;
}
}
if (!String.IsNullOrEmpty(strokeLineCap))
{
switch (strokeLineCap.ToLower())
{
case "butt":
pen.StartCap = StyleLineCap.Flat;
pen.EndCap = StyleLineCap.Flat;
break;
case "round":
pen.StartCap = StyleLineCap.Round;
pen.EndCap = StyleLineCap.Round;
break;
case "square":
pen.StartCap = StyleLineCap.Square;
pen.EndCap = StyleLineCap.Square;
break;
// N.B. Loads of others not used in SLD
}
}
if (!String.IsNullOrEmpty(strokeDasharray))
{
string[] Numbers = strokeDasharray.Split(Char.Parse(" "));
IEnumerable<float> dbls = Processor.Select(Numbers, delegate(string o) { return float.Parse(o); });
pen.DashPattern = Enumerable.ToArray(dbls);
}
if (!String.IsNullOrEmpty(strokeDashOffset))
{
float dashOffset;
bool success;
success = float.TryParse(strokeDashOffset, out dashOffset);
if (success)
pen.DashOffset = dashOffset;
}
// Set pen
style.Line = pen;
}
if (!String.IsNullOrEmpty(fill))
{
Color color = ColorTranslator.FromHtml(fill);
int opacity = 255;
if (!String.IsNullOrEmpty(fillOpacity))
{
opacity = Convert.ToInt32(Math.Round(Convert.ToDouble(fillOpacity)/0.0039215, 0));
if (opacity > 255)
opacity = 255;
}
StyleBrush brush =
new SolidStyleBrush(new StyleColor(Convert.ToInt32(color.B), Convert.ToInt32(color.G),
Convert.ToInt32(color.R), opacity));
style.Fill = brush;
}
if (!String.IsNullOrEmpty(pointSymbolPath))
{
Uri source = new Uri(pointSymbolPath);
if (source.IsFile && File.Exists(source.AbsolutePath))
{
Bitmap b = new Bitmap(source.AbsolutePath);
MemoryStream ms = new MemoryStream();
b.Save(ms, ImageFormat.Png);
ms.Seek(0, SeekOrigin.Begin);
style.Symbol = new Symbol2D(ms, new Size2D(12, 10));
}
else if (source.IsAbsoluteUri)
{
///TODO
}
}
style.Enabled = true;
style.EnableOutline = true;
}
private Bitmap FromGeomStyleToPoint(Bitmap sourceBitmap, GeometryStyle geometryStyle)
{
return TintBitmap(sourceBitmap, geometryStyle.FillColor.ToGDI(), 1f);
}
public GeometryRowStyle(GeometryStyle style, GeometryType type)
{
Style = style;
Type = type;
}
/// <summary>
/// Initializes a new layer with the given name, style and datasource.
/// </summary>
/// <param name="layername">Name of the layer.</param>
/// <param name="style">Style to apply to the layer.</param>
/// <param name="dataSource">Data source.</param>
public GeometryLayer(String layername, GeometryStyle style, IFeatureProvider dataSource)
: base(layername, style, dataSource)
{
}
