/// <summary>
/// This handles the coloring aspects of selecting all the shapes in a shapefile layer
/// </summary>
public void Highlight_Layer(int Layer)
{
object ob = m_Map.get_GetObject(Layer);
if (ob.GetType() != typeof(MapWinGIS.Shapefile))
{
return; // Don't bother selecting images
}
int numLayers = m_Map.NumLayers;
m_OriginalThickness = new Hashtable[numLayers];
m_OriginalLineColor = new Hashtable[numLayers];
m_OriginalPointColor = new Hashtable[numLayers];
m_OriginalFillColor = new Hashtable[numLayers];
UInt32 SelCol = Convert.ToUInt32(m_SelectionColor.B) * 256 * 256 +
Convert.ToUInt32(m_SelectionColor.G) * 256 +
Convert.ToUInt32(m_SelectionColor.R);
MapWinGIS.Shapefile sf = ob as MapWinGIS.Shapefile;
if (sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POLYGON ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POLYGONM ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POLYGONZ)
{
for (int shp = 0; shp < m_SelectedShapes[Layer].Count; shp++)
{
int Shape = m_SelectedShapes[Layer][shp];
m_OriginalFillColor[Layer].Add(Shape, m_Map.get_ShapeFillColor(Layer, Shape));
m_Map.set_ShapeFillColor(Layer, Shape, SelCol);
m_OriginalLineColor[Layer].Add(Shape, m_Map.get_ShapeLineColor(Layer, Shape));
m_Map.set_ShapeLineColor(Layer, Shape, SelCol);
}
}
else if (sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POLYLINE ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POLYLINEM ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POLYLINEZ)
{
for (int shp = 0; shp < m_SelectedShapes[Layer].Count; shp++)
{
int Shape = m_SelectedShapes[Layer][shp];
m_OriginalThickness[Layer].Add(Shape, m_Map.get_ShapeLineWidth(Layer, Shape));
m_Map.set_ShapeLineWidth(Layer, Shape, 3);
m_OriginalLineColor[Layer].Add(Shape, m_Map.get_ShapeLineColor(Layer, Shape));
m_Map.set_ShapeLineColor(Layer, Shape, SelCol);
}
}
else if (sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POINT ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POINTM ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_POINTZ ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_MULTIPOINT ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_MULTIPOINTM ||
sf.ShapefileType == MapWinGIS.ShpfileType.SHP_MULTIPOINTZ)
{
for (int shp = 0; shp < m_SelectedShapes[Layer].Count; shp++)
{
int Shape = m_SelectedShapes[Layer][shp];
float Size = m_Map.get_ShapePointSize(Layer, Shape);
m_OriginalThickness[Layer].Add(Shape, Size);
m_Map.set_ShapePointSize(Layer, Shape, Size + 2);
m_OriginalPointColor[Layer].Add(Shape, m_Map.get_ShapePointColor(Layer, Shape));
m_Map.set_ShapePointColor(Layer, Shape, SelCol);
}
}
}