public void Draw(double mapScale)
{
LegendItems.Clear();
if (featureLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Count > 0)
{
Style style = featureLayer.ZoomLevelSet.ZoomLevel01.CustomStyles[0];
if (style is CustomDotDensityStyle)
{
LegendItems.Add(new DotDensityLegendItem(5));
LegendItems.Add(new DotDensityLegendItem(10));
LegendItems.Add(new DotDensityLegendItem(20));
LegendItems.Add(new DotDensityLegendItem(40));
}
else if (style is PieZedGraphStyle)
{
PieZedGraphStyle zedGraphStyle = (PieZedGraphStyle)style;
foreach (KeyValuePair <string, GeoColor> item in zedGraphStyle.PieSlices)
{
AreaStyle fillStyle = new AreaStyle(new GeoSolidBrush(item.Value));
PieChartLegendItem legendItem = new PieChartLegendItem(fillStyle, item.Key);
this.LegendItems.Add(legendItem);
}
}
else if (style is ValueCircleStyle)
{
LegendItems.Add(new ValueCircleLegendItem(80));
LegendItems.Add(new ValueCircleLegendItem(16));
LegendItems.Add(new ValueCircleLegendItem(32));
LegendItems.Add(new ValueCircleLegendItem(64));
LegendItems.Add(new ValueCircleLegendItem(1280));
}
else if (style is ClassBreakStyle)
{
ClassBreakStyle thematicStyle = (ClassBreakStyle)style;
for (int i = 0; i < thematicStyle.ClassBreaks.Count; i++)
{
ThematicLegendItem thematicLegendItem;
if (i < thematicStyle.ClassBreaks.Count - 1)
{
thematicLegendItem = new ThematicLegendItem(thematicStyle.ClassBreaks[i], thematicStyle.ClassBreaks[i + 1]);
}
else
{
thematicLegendItem = new ThematicLegendItem(thematicStyle.ClassBreaks[i], null);
}
LegendItems.Add(thematicLegendItem);
}
}
foreach (var legendItem in LegendItems)
{
legendItem.Draw(style);
}
}
}
protected override Style GetStyleCore(FeatureSource featureSource)
{
PieZedGraphStyle zedGraphStyle = new PieZedGraphStyle();
zedGraphStyle.ZedGraphDrawing += new EventHandler <ZedGraphDrawingEventArgs>(zedGraphStyle_ZedGraphDrawing);
pieColors = GeoColor.GetColorsInQualityFamily(GeoColor.FromArgb(Opacity, BaseColor), SelectedColumns.Count);
for (int i = 0; i < SelectedColumns.Count; i++)
{
zedGraphStyle.RequiredColumnNames.Add(SelectedColumns[i]);
zedGraphStyle.PieItems.Add(NameAliases[SelectedColumns[i]], pieColors[i]);
}
return(zedGraphStyle);
}
protected override Style GetStyleCore(FeatureSource featureSource)
{
PieZedGraphStyle zedGraphStyle = new PieZedGraphStyle();
zedGraphStyle.ZedGraphDrawing += ZedGraphStyle_ZedGraphDrawing;
pieColors = GeoColor.GetColorsInQualityFamily(GeoColor.FromArgb(Opacity, Color), SelectedColumns.Count);
for (int i = 0; i < SelectedColumns.Count; i++)
{
zedGraphStyle.RequiredColumnNames.Add(SelectedColumns[i]);
zedGraphStyle.PieSlices.Add(SelectedColumnAliases[i], pieColors[i]);
}
return(zedGraphStyle);
}
protected override Collection<Style> GetStylesCore(FeatureSource featureSource)
{
// here we generated the PieZedGraphStyle.
PieZedGraphStyle zedGraphStyle = new PieZedGraphStyle();
zedGraphStyle.ZedGraphDrawing += ZedGraphStyle_ZedGraphDrawing;
pieColors = GeoColor.GetColorsInQualityFamily(GeoColor.FromArgb(Opacity, Color), SelectedColumns.Count);
for (int i = 0; i < SelectedColumns.Count; i++)
{
zedGraphStyle.RequiredColumnNames.Add(SelectedColumns[i]);
zedGraphStyle.PieSlices.Add(SelectedColumnAliases[i], pieColors[i]);
}
return new Collection<Style>(){zedGraphStyle};
}
private void AddPieGraphLegendItems(LegendAdornmentLayer legendAdornmentLayer)
{
PieZedGraphStyle zedGraphStyle = (PieZedGraphStyle)currentStyleBuilder.GetStyles(currentFeatureLayer.FeatureSource)[0];
foreach (KeyValuePair <string, GeoColor> item in zedGraphStyle.PieSlices)
{
LegendItem legendItem = new LegendItem();
legendItem.ImageWidth = 20;
legendItem.TextRightPadding = 5;
legendItem.RightPadding = 5;
legendItem.ImageStyle = new AreaStyle(new GeoSolidBrush(item.Value));
legendItem.TextStyle = new TextStyle(item.Key, new GeoFont("Segoe UI", 10), new GeoSolidBrush(GeoColor.SimpleColors.Black));
legendAdornmentLayer.LegendItems.Add(legendItem);
}
}
protected override Collection <Style> GetStylesCore(FeatureSource featureSource)
{
PieZedGraphStyle zedGraphStyle = new PieZedGraphStyle();
zedGraphStyle.ZedGraphDrawing += ZedGraphStyle_ZedGraphDrawing;
pieColors = GeoColor.GetColorsInQualityFamily(GeoColor.FromArgb(Opacity, Color), SelectedColumns.Count);
int i = 0;
foreach (string column in SelectedColumns)
{
zedGraphStyle.RequiredColumnNames.Add(column);
zedGraphStyle.PieItems.Add(SelectedColumnAliases[i], pieColors[i]);
i++;
}
return(new Collection <Style>()
{
zedGraphStyle
});
}
