protected override void OnPaint(PaintEventArgs e)
{
e.Graphics.SmoothingMode = m_smoothingMode;
if (mScreenDisplay.IsCacheDirty)
{
mScreenDisplay.StartRecording();
mScreenDisplay.StartDrawing(e.Graphics, 0);
mMap.Draw(mScreenDisplay);
object newObj = mScreenDisplay.NewObject;
if (newObj != null)
{
IScreenDisplayDraw drawNew = mScreenDisplay as IScreenDisplayDraw;
if (newObj is LineString)
{
Pen mpen = new Pen(Color.Blue);
drawNew.DrawLineString(newObj as LineString, mpen);
}
else if (newObj is MultiLineString)
{
Pen mpen = new Pen(Color.Blue);
drawNew.DrawMultiLineString(newObj as MultiLineString, mpen);
}
else if (newObj is Polygon)
{
Brush brush = new SolidBrush(Color.Blue);
drawNew.DrawPolygon(newObj as Polygon, brush, Pens.AliceBlue, false);
}
}
mScreenDisplay.FinishDrawing();
mScreenDisplay.StopRecording();
}
}
public override void Draw(IScreenDisplay display)
{
IScreenDisplayDraw displayDraw = display as IScreenDisplayDraw;
if (ShapeType == RgEnumShapeType.RgPoint)
{
for (int i = 0; i < mGeometries.Count; i++)
{
RGeos.Geometries.Point pt = mGeometries[i] as RGeos.Geometries.Point;
if (pt != null)
{
displayDraw.DrawPoint(pt, new Pen(Color.Red));
}
}
}
if (ShapeType == RgEnumShapeType.RgLineString)
{
for (int i = 0; i < mGeometries.Count; i++)
{
LineString pt = mGeometries[i] as LineString;
if (pt != null)
{
displayDraw.DrawLineString(pt, new Pen(Color.Red));
// display as r
}
}
}
if (ShapeType == RgEnumShapeType.RgMultiLineString)
{
for (int i = 0; i < mGeometries.Count; i++)
{
MultiLineString pt = mGeometries[i] as MultiLineString;
if (pt != null)
{
displayDraw.DrawMultiLineString(pt, new Pen(Color.Red));
}
}
}
if (ShapeType == RgEnumShapeType.RgPolygon)
{
for (int i = 0; i < mGeometries.Count; i++)
{
Polygon pt = mGeometries[i] as Polygon;
if (pt != null)
{
Pen mPen = new Pen(Color.Red);
Brush brush = new SolidBrush(Color.Blue);
displayDraw.DrawPolygon(pt, brush, mPen, false);
}
}
}
}
public override void Draw(IScreenDisplay display)
{
IScreenDisplayDraw displayDraw = display as IScreenDisplayDraw;
if (ShapeType == RgEnumShapeType.RgPoint)
{
for (int i = 0; i < mGeometries.Count; i++)
{
Feature feat = mGeometries[i];
RGeos.Geometries.RgPoint pt = feat.Shape as RGeos.Geometries.RgPoint;
if (pt != null)
{
if (feat.IsSelected == false)
{
displayDraw.DrawPoint(pt, new Pen(Color.Red), new SolidBrush(Color.Red));
}
else
{
displayDraw.DrawPoint(pt, new Pen(Color.LightBlue), new SolidBrush(Color.LightBlue));
}
}
}
}
if (ShapeType == RgEnumShapeType.RgLineString)
{
for (int i = 0; i < mGeometries.Count; i++)
{
Feature feat = mGeometries[i];
LineString pt = feat.Shape as LineString;
if (pt != null)
{
if (feat.IsSelected == false)
{
displayDraw.DrawLineString(pt, new Pen(Color.Red));
}
else
{
displayDraw.DrawLineString(pt, new Pen(Color.LightBlue));
}
// display as r
}
}
}
if (ShapeType == RgEnumShapeType.RgMultiLineString)
{
for (int i = 0; i < mGeometries.Count; i++)
{
Feature feat = mGeometries[i];
MultiLineString pt = feat.Shape as MultiLineString;
if (pt != null)
{
if (feat.IsSelected == false)
{
displayDraw.DrawMultiLineString(pt, new Pen(Color.Red));
}
else
{
displayDraw.DrawMultiLineString(pt, new Pen(Color.LightBlue));
}
}
}
}
if (ShapeType == RgEnumShapeType.RgPolygon)
{
for (int i = 0; i < mGeometries.Count; i++)
{
Feature feat = mGeometries[i];
Polygon polygon = feat.Shape as Polygon;
if (polygon != null)
{
Pen mPen = new Pen(Color.Red);
Brush brush = new SolidBrush(Color.Blue);
if (feat.IsSelected == false)
{
displayDraw.DrawPolygon(polygon, brush, mPen, false);
}
else
{
displayDraw.DrawPolygon(polygon, brush, new Pen(Color.LightBlue), false);
}
}
}
}
}