public override void MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
this.IsMouseDown = false;
// screen point to map point
MG_LineString MapLineString = new MG_LineString();
for (int i = 0; i < this.LineString.Count(); i++)
{
MG_Point screenPoint = this.LineString.GetAt(i);
Point screen = new Point((int)screenPoint.x, (int)screenPoint.y);
MG_Point mapPoint = MG_BaseRender.ToPoint(screen, this.MapView);
MapLineString.Add(mapPoint);
}
MG_LineString MapLineStringOther = new MG_LineString();
for (int i = 0; i < this.LineStringOther.Count(); i++)
{
MG_Point screenPoint = this.LineStringOther.GetAt(i);
Point screen = new Point((int)screenPoint.x, (int)screenPoint.y);
MG_Point mapPoint = MG_BaseRender.ToPoint(screen, this.MapView);
MapLineStringOther.Add(mapPoint);
}
//1 create a feature
// 1.1 set geometry
this.Feature.SetGeometry(MapLineString);
// 1.2 set field value
for (int i = 0; i < this.Feature.GetFieldSet().Count(); i++)
{
this.Feature.SetValue(i, null);
}
//2 create a new feature
MG_Feature newFeature1 = new MG_Feature(this.Feature);
//3 add new feature to layer
this.Layer.AddFeature(newFeature1);
//4 clear data to store the next linestring
this.LineString.Clear();
//1 create a feature
// 1.1 set geometry
this.Feature.SetGeometry(MapLineStringOther);
// 1.2 set field value
for (int i = 0; i < this.Feature.GetFieldSet().Count(); i++)
{
this.Feature.SetValue(i, null);
}
//2 create a new feature
MG_Feature newFeature2 = new MG_Feature(this.Feature);
//3 add new feature to layer
this.Layer.AddFeature(newFeature2);
//4 clear data to store the next linestring
this.LineStringOther.Clear();
}
}
private static MG_Polygon AsPolygon(Geometry g)
{
MG_Polygon polygon = new MG_Polygon();
int geometryCount = g.GetGeometryCount();
for (int i = 0; i < geometryCount; i++)
{
MG_LineString lineString = AsLineString(g.GetGeometryRef(i));
polygon.Add(lineString);
}
return(polygon);
}
private static MG_MultiLineString AsMultiLineString(Geometry g)
{
MG_MultiLineString multiLineString = new MG_MultiLineString();
int geometryCount = g.GetGeometryCount();
for (int i = 0; i < geometryCount; i++)
{
MG_LineString lineString = AsLineString(g.GetGeometryRef(i));
multiLineString.Add(lineString);
}
return(multiLineString);
}
private static MG_LineString AsLineString(Geometry g)
{
MG_LineString lineString = new MG_LineString();
int pointCount = g.GetPointCount();
for (int i = 0; i < pointCount; i++)
{
MG_Point point = new MG_Point(g.GetX(i), g.GetY(i));
lineString.Add(point);
}
return(lineString);
}
public static void RenderLineString(Graphics g, Pen pen, MG_MapView mapview, MG_LineString lineString)
{
int count = lineString.Count();
if (count < 2)
{
return;
}
Point[] points = new Point[count];
for (int i = 0; i < count; i++)
{
MG_Point mp = lineString.GetAt(i);
points[i] = AsPoint(mp, mapview);
}
DrawLineString(g, pen, points);
}
public static void RenderPolygon(Graphics g, Pen pen, MG_MapView mapview, MG_Polygon polygon)
{
int countLineString = polygon.Count();
for (int i = 0; i < countLineString; i++)
{
MG_LineString lineString = polygon.GetAt(i);
int countPoint = lineString.Count();
if (countPoint < 3)
{
return;
}
Point[] points = new Point[countPoint];
for (int j = 0; j < countPoint; j++)
{
MG_Point mp = lineString.GetAt(j);
points[j] = AsPoint(mp, mapview);
}
//FillPolygon(g, brush, points);
//Pen pen = new Pen(Color.Red, 1);
DrawPolygon(g, pen, points);
}
}
protected bool QuitEdit = false; //if quit edit linestring
public MG_ToolDrawDoubleLineString(MG_Layer layer, MG_MapView mapview)
: base(MG_ToolType.Tool_DrawDoubleLineString, layer, mapview)
{
this.LineString = new MG_LineString();
this.LineStringOther = new MG_LineString();
}
public MG_ToolDrawPolygon(MG_Layer layer, MG_MapView mapview)
: base(MG_ToolType.Tool_DrawPolygon, layer, mapview)
{
this.LineString = new MG_LineString();
this.Polygon = new MG_Polygon();
}
