public override void OnMouseDown(int x, int y, System.Windows.Forms.MouseEventArgs e)
{
RgPoint P1 = mScreenDisplay.DisplayTransformation.ToUnit(new System.Drawing.PointF(x, y));
Carto.FetureLayer featurelyr = mMapCtrl.Map.CurrentLayer as Carto.FetureLayer;
if (featurelyr != null && featurelyr.ShapeType == RgEnumShapeType.RgPoint)
{
featurelyr.AddFeature(P1);
}
mMapCtrl.Refresh();
}
public override void OnMouseDown(int x, int y, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
n++;
if (n <= 1)
{
line = new LineString();
RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
line.Vertices.Add(pt);
lastPoint1Unit = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
lastPoint2 = new PointF(x, y);
}
else
{
RgPoint ptNext = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
line.Vertices.Add(ptNext);
lastPoint1Unit = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
lastPoint2 = new PointF(x, y);
mScreenDisplay.NewObject = line;
mMapCtrl.Refresh();
}
}
else
{
Carto.FetureLayer featurelyr = mMapCtrl.Map.CurrentLayer as Carto.FetureLayer;
if (featurelyr != null && featurelyr.ShapeType == RgEnumShapeType.RgLineString)
{
featurelyr.AddFeature(line);
}
n = 0;
mScreenDisplay.NewObject = null;
mMapCtrl.Refresh();
}
}
public override void OnMouseDown(int x, int y, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
n++;
if (n == 1)
{
RGeos.Geometries.RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(new PointF(x, y));
RGeos.Geometries.RgPoint P0 = new RGeos.Geometries.RgPoint(pt.X, pt.Y);
RGeos.Geometries.RgPoint P1 = new RGeos.Geometries.RgPoint(pt.X, pt.Y);
RGeos.Geometries.RgPoint P2 = new RGeos.Geometries.RgPoint(pt.X, pt.Y);
vertices.Add(P0);
vertices.Add(P1);
vertices.Add(P2);
line = new LinearRing(vertices);
}
else if (n == 2)
{
PointF p2 = new PointF(x, y);
RGeos.Geometries.RgPoint pt1 = vertices[0];
RGeos.Geometries.RgPoint pt2 = mScreenDisplay.DisplayTransformation.ToUnit(p2);
vertices[1] = pt2;
mScreenDisplay.StartDrawing(mMapCtrl.CreateGraphics(), 1);
mScreenDisplayDraw.DrawLine(pt1, pt2, Pens.Blue);
mScreenDisplay.FinishDrawing();
//n = 0;
}
else if (n == 3)
{
PointF p1 = new PointF(x, y);
RGeos.Geometries.RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(p1);
vertices[2] = pt;
polygon.ExteriorRing = line;
if (line != null)
{
SolidBrush brush = new SolidBrush(Color.Blue);
Pen pen = new Pen(brush);
mScreenDisplay.NewObject = polygon;
mMapCtrl.Refresh();
}
}
else
{
PointF p1 = new PointF(x, y);
RGeos.Geometries.RgPoint pt = mScreenDisplay.DisplayTransformation.ToUnit(p1);
RGeos.Geometries.RgPoint P4 = pt;
vertices.Add(P4);
SolidBrush brush = new SolidBrush(Color.Blue);
Pen pen = new Pen(brush);
mScreenDisplay.NewObject = polygon;
mMapCtrl.Refresh();
}
}
else if (e.Button == MouseButtons.Right)
{
Carto.FetureLayer featurelyr = mMapCtrl.Map.CurrentLayer as Carto.FetureLayer;
if (featurelyr != null && featurelyr.ShapeType == RgEnumShapeType.RgPolygon)
{
featurelyr.AddFeature(polygon);
}
vertices = new List <RGeos.Geometries.RgPoint>();
polygon = new Polygon();
tempPolygon = new Polygon();
mScreenDisplay.NewObject = null;
n = 0;
mMapCtrl.Refresh();
}
}