internal void StopDrawingRubberEdge()
{
if (CurrentRubberEdge != null)
{
GViewer.Invalidate(
GViewer.CreateScreenRectFromTwoCornersInTheSource(
CurrentRubberEdge.BoundingBox.LeftTop,
CurrentRubberEdge.BoundingBox.RightBottom));
}
CurrentRubberEdge = null;
}
internal void DrawRubberEdge(EdgeGeometry edgeGeometry)
{
BBox rectToInvalidate = edgeGeometry.BoundingBox;
if (CurrentRubberEdge != null)
{
BBox b = CurrentRubberEdge.BoundingBox;
rectToInvalidate.Add(b);
}
CurrentRubberEdge = edgeGeometry;
GViewer.Invalidate(GViewer.CreateScreenRectFromTwoCornersInTheSource(rectToInvalidate.LeftTop,
rectToInvalidate.RightBottom));
}
void ProcessPan(MouseEventArgs args)
{
if (ClientRectangle.Contains(args.X, args.Y))
{
if (args.Button == MouseButtons.Left)
{
gViewer.Transform[0, 2] = mouseDownTransform[0, 2] + args.X - mouseDownPoint.X;
gViewer.Transform[1, 2] = mouseDownTransform[1, 2] + args.Y - mouseDownPoint.Y;
gViewer.Invalidate();
}
else
{
GViewer.Hit(args);
}
}
}
private void ProcessPan(MouseEventArgs args)
{
if (ClientRectangle.Contains(args.X, args.Y))
{
if (args.Button == System.Windows.Forms.MouseButtons.Left)
{
double dx = (double)(args.X - mouseDownPoint.X);
double dy = (double)(args.Y - mouseDownPoint.Y);
dx /= gViewer.LocalScale;
dy /= gViewer.LocalScale; //map it to real coord
int dh = gViewer.ScaleFromSrcXToScroll(dx);
int dv = gViewer.ScaleFromSrcYToScroll(dy);
gViewer.HVal = mouseDownHVal - dh;
gViewer.VVal = mouseDownVVal + dv;
gViewer.Invalidate();
}
else
{
GViewer.Hit(args);
}
}
}
