/// <summary>
/// Creates a new object that is a copy of the current instance.
/// </summary>
/// <returns>A new object that is a copy of this instance</returns>
public object Clone()
{
PolygonStyle ps = (PolygonStyle)MemberwiseClone();
if (_brushPattern != null)
{
_brushPattern = (Bitmap)_brushPattern.Clone();
_originalBrushPattern = (Bitmap)_originalBrushPattern.Clone();
ps.brushPatternParamsChanged();
}
return(ps);
}
/// <summary>
/// Draw a polygon.
/// </summary>
protected virtual void DrawPolygon(Feature feature, Graphics g, PolygonStyle style, TitleStyle titleStyle,
BoundingRectangle viewBox, bool titleVisible, double scaleFactor)
{
if (feature.Polygon.Contours.Count == 0)
return;
//if (feature.Layer != null && feature.Layer.Title == "adp.TAB")
//{
// drawPrismPolygon(feature, g, viewBox, scaleFactor);
// // inscription
// if (!string.IsNullOrEmpty(feature.Title) && titleVisible)
// addTitleBufferElement(g, feature, titleStyle, viewBox, scaleFactor);
// return;
//}
if (!_isSelectionRendering && feature.Selected)
{
PolygonBufferElement element = new PolygonBufferElement(feature, style, titleStyle, titleVisible);
_selectedPolygons.Add(element);
return;
}
double pixelsize = 1/scaleFactor;
if (_reduceSubpixelDetails)
{
if (feature.BoundingRectangle.Width < pixelsize && feature.BoundingRectangle.Height < pixelsize)
return;
Polygon tempPolygon = (Polygon) feature.Polygon.Clone();
tempPolygon.Weed(pixelsize);
Feature tempFeature = new Feature(FeatureType.Polygon);
tempFeature.Title = feature.Title;
tempFeature.Selected = feature.Selected;
tempFeature.Polygon = tempPolygon;
feature = tempFeature;
if (feature.Polygon.Contours.Count == 0)
return;
}
using (Pen pen = style.GetPen())
{
using (GraphicsPath path = new GraphicsPath(FillMode.Alternate))
{
path.StartFigure();
float x = (float) ((feature.Polygon.Contours[0].Vertices[0].X - viewBox.MinX)*scaleFactor);
float y = (float) ((viewBox.MaxY - feature.Polygon.Contours[0].Vertices[0].Y)*scaleFactor);
g.RenderingOrigin = new Point((int) Math.Round(x), (int) Math.Round(y));
foreach (Contour c in feature.Polygon.Contours)
{
// there is no point in trying to draw the contours of the degenerate
if (c.Vertices.Count <= 2)
continue;
PointF[] points = new PointF[c.Vertices.Count];
for (int j = 0; j < c.Vertices.Count; j++)
{
points[j].X = (float) ((c.Vertices[j].X - viewBox.MinX)*scaleFactor);
points[j].Y = (float) ((viewBox.MaxY - c.Vertices[j].Y)*scaleFactor);
}
if (points.Length > 2)
path.AddPolygon(points);
}
path.CloseFigure();
// Fill polygon
using (Brush b = style.GetBrush())
{
if (style.FillPatternInternal != null)
{
int w = style.FillPatternInternal.Width;
int h = style.FillPatternInternal.Height;
((TextureBrush) b).TranslateTransform(g.RenderingOrigin.X%w, g.RenderingOrigin.Y%h);
}
g.FillPath(b, path);
}
if (feature.Selected)
{
//Fills the selected polygon
//Color color = Color.FromArgb(50, _selectionColor);
//using (Brush b = new HatchBrush(HatchStyle.Percent70, color, Color.Transparent))
if (_selectionColorChanged || _selectionTexture == null)
createSelectionTexture();
using (Brush b = new TextureBrush(_selectionTexture))
{
((TextureBrush) b).TranslateTransform(g.RenderingOrigin.X%8, g.RenderingOrigin.Y%8);
g.FillPath(b, path);
}
// boundary of the selected polygons
using (Pen p = new Pen(_selectionColor, style.BorderWidth + 3))
{
p.LineJoin = LineJoin.Bevel;
g.DrawPath(p, path);
}
}
//boundary of the landfill
if (style.BorderVisible)
g.DrawPath(pen, path);
}
// inscription
if (!string.IsNullOrEmpty(feature.Title) && titleVisible)
addTitleBufferElement(g, feature, titleStyle, viewBox, scaleFactor);
}
}
void IFeatureRenderer.DrawPolygon(Feature feature, Graphics g, PolygonStyle style, TitleStyle titleStyle, BoundingRectangle viewBox, bool titleVisible, double scaleFactor)
{
DrawPolygon(feature, g, style, titleStyle, viewBox, titleVisible, scaleFactor);
}
public PolygonBufferElement(Feature polygon, PolygonStyle style, TitleStyle titleStyle, bool titleVisible)
{
_style = style;
_titleStyle = titleStyle;
_polygon = polygon;
_titleVisible = titleVisible;
}
/// <summary/>
protected void processPolygonStyle(XmlNode layerNode, PolygonStyle PolygonStyle)
{
XmlNode polygonStyle = tryGetNodeByName(layerNode.ChildNodes, "polygon_style");
if (polygonStyle != null)
{
PolygonStyle.BorderWidth = float.Parse(polygonStyle.Attributes["border_width"].Value, CultureInfo.InvariantCulture);
PolygonStyle.BorderColor = ColorTranslator.FromHtml(polygonStyle.Attributes["border_color"].Value);
PolygonStyle.BorderDashStyle = (DashStyle)int.Parse(polygonStyle.Attributes["border_dash_style"].Value, CultureInfo.InvariantCulture);
PolygonStyle.HatchStyle = (HatchStyle)int.Parse(polygonStyle.Attributes["hatch_style"].Value, CultureInfo.InvariantCulture);
if (polygonStyle.Attributes["border_dash_cap"] != null)
PolygonStyle.BorderDashCap = (DashCap)int.Parse(polygonStyle.Attributes["border_dash_cap"].Value, CultureInfo.InvariantCulture);
PolygonStyle.UseHatch = polygonStyle.Attributes["use_hatch"].Value == "1";
if (polygonStyle.Attributes["border_visible"] != null)
PolygonStyle.BorderVisible = polygonStyle.Attributes["border_visible"].Value == "1";
PolygonStyle.FillForeColor = ColorTranslator.FromHtml(polygonStyle.Attributes["fill_fore_color"].Value);
PolygonStyle.FillBackColor = ColorTranslator.FromHtml(polygonStyle.Attributes["fill_back_color"].Value);
if (polygonStyle.Attributes["fill_transparent"] != null)
PolygonStyle.FillBackColor = Color.FromArgb(int.Parse(polygonStyle.Attributes["fill_transparent"].Value, CultureInfo.InvariantCulture), PolygonStyle.FillBackColor);
if (polygonStyle.Attributes["fill_pattern"] != null)
PolygonStyle.FillPattern = (BuiltInFillPatterns)int.Parse(polygonStyle.Attributes["fill_pattern"].Value, CultureInfo.InvariantCulture);
}
}
/// <summary/>
protected void addPolygonStyleElement(PolygonStyle PolygonStyle, XmlDocument doc, XmlElement layerElement)
{
XmlElement polygonStyleElement = doc.CreateElement("polygon_style");
layerElement.AppendChild(polygonStyleElement);
addAttribute( polygonStyleElement, "border_width", PolygonStyle.BorderWidth.ToString(CultureInfo.InvariantCulture));
addAttribute( polygonStyleElement, "border_color", ColorTranslator.ToHtml(PolygonStyle.BorderColor));
addAttribute( polygonStyleElement, "border_visible", PolygonStyle.BorderVisible ? "1" : "0");
addAttribute( polygonStyleElement, "border_dash_style", ((int)PolygonStyle.BorderDashStyle).ToString(CultureInfo.InvariantCulture));
addAttribute( polygonStyleElement, "border_dash_cap", ((int)PolygonStyle.BorderDashCap).ToString(CultureInfo.InvariantCulture));
addAttribute( polygonStyleElement, "hatch_style", ((int)PolygonStyle.HatchStyle).ToString(CultureInfo.InvariantCulture));
addAttribute( polygonStyleElement, "use_hatch", PolygonStyle.UseHatch ? "1" : "0");
addAttribute( polygonStyleElement, "fill_fore_color", ColorTranslator.ToHtml(PolygonStyle.FillForeColor));
addAttribute( polygonStyleElement, "fill_back_color", ColorTranslator.ToHtml(PolygonStyle.FillBackColor));
addAttribute( polygonStyleElement, "fill_pattern", ((int)PolygonStyle.FillPattern).ToString(CultureInfo.InvariantCulture));
addAttribute( polygonStyleElement, "fill_transparent", PolygonStyle.FillBackColor.A.ToString(CultureInfo.InvariantCulture));
}
