private void OnMouseMove(object sender, MouseEventArgs e)
{
if (_band)
{
// clear previous band
_bandImage.Clear();
// draw new band
_bandImage.Graphics.
DrawRectangle(new Pen(Color.Black, 1.0f),
_mouseDownAt.X, _mouseDownAt.Y,
e.Location.X - _mouseDownAt.X, e.Location.Y - _mouseDownAt.Y);
DisplayImage();
}
else
{
if (_mapper != null && _mapper.Selected)
{
// clear previous mapper
_mapperImage.Clear();
// draw mapper in new position
PlotterGraphics pg = new PlotterGraphics(_vr, _mapperImage.Graphics);
Point offset = new Point(e.Location.X - _mouseMoveAt.X, e.Location.Y - _mouseMoveAt.Y);
_mapper.Move(pg, offset);
DisplayImage();
_mouseMoveAt = e.Location;
if (_plotter != null)
{
_plotter.PlotPoints(_mapper.Values(_vr));
}
}
}
if (_plotter != null)
{
_plotter.AtPoint(_vr.CToV(e.Location));
}
}
