/// <summary>
/// Draws selected bounds on map
/// </summary>
/// <param name="ext">Bounding box to search CS</param>
public void DrawSelectedBounds(MapWinGIS.Extents ext)
{
this.RemoveLayer(m_handleBounds);
MapWinGIS.Shapefile sf = new MapWinGIS.Shapefile();
if (sf.CreateNew("", MapWinGIS.ShpfileType.SHP_POLYGON))
{
MapWinGIS.Shape shp = new MapWinGIS.Shape();
shp.Create(MapWinGIS.ShpfileType.SHP_POLYGON);
this.InsertPart(shp, ext.xMin, ext.xMax, ext.yMin, ext.yMax);
int index = 0;
sf.EditInsertShape(shp, ref index);
m_handleBounds = this.AddLayer(sf, true);
MapWinGIS.ShapeDrawingOptions options = sf.DefaultDrawingOptions;
MapWinGIS.Utils ut = new MapWinGIS.Utils();
options.FillColor = ut.ColorByName(MapWinGIS.tkMapColor.Orange);
options.LineColor = ut.ColorByName(MapWinGIS.tkMapColor.Orange);
options.LineWidth = 3;
options.LineStipple = MapWinGIS.tkDashStyle.dsDash;
options.FillTransparency = 100;
}
else
{
System.Diagnostics.Debug.Print("Failed to create in-memory shapefile");
}
}
private void PointSymbolControl_OnDrawItem(System.Drawing.Graphics graphics, System.Drawing.RectangleF rect, int itemIndex, bool selected)
{
IntPtr ptr = graphics.GetHdc();
MapWinGIS.ShapeDrawingOptions sdo = _icons[itemIndex];
sdo.DrawPoint(ptr, rect.X + 1.0f, rect.Y + 1.0f, (int)rect.Width - 2, (int)rect.Height - 2, Colors.ColorToUInteger(this.BackColor));
graphics.ReleaseHdc();
}
/// <summary>
/// Displaying selected layer on the map
/// </summary>
private void AddShapefile(MapWinGIS.Shapefile sf)
{
if (sf != null)
{
m_layerHandle = projectionMap1.AddLayer(sf, true);
MapWinGIS.Utils utils = new MapWinGIS.Utils();
MapWinGIS.ShapeDrawingOptions options = sf.DefaultDrawingOptions;
options.FillColor = utils.ColorByName(MapWinGIS.tkMapColor.Orange);
options.FillTransparency = 110;
options.LineColor = utils.ColorByName(MapWinGIS.tkMapColor.Orange);
projectionMap1.ZoomToLayer(m_layerHandle);
}
}
public SymbolControl()
{
InitializeComponent();
this.ItemCount = 17;
this.CellWidth = 24;
this.CellHeight = 24;
for (int i = 0; i < this.ItemCount; i++)
{
MapWinGIS.ShapeDrawingOptions sdo = new MapWinGIS.ShapeDrawingOptions();
sdo.SetDefaultPointSymbol((MapWinGIS.tkDefaultPointSymbol)i);
sdo.PointSize = 0.8f * this.CellWidth;
sdo.FillColor = Colors.ColorToUInteger(Color.Orange);
_icons.Add(sdo);
}
this.OnDrawItem += new OnDrawItemDelegate(PointSymbolControl_OnDrawItem);
}
