public static Rhino.Commands.Result AddBackgroundBitmap(Rhino.RhinoDoc doc)
{
Rhino.RhinoApp.WriteLine ("hey");
// Allow the user to select a bitmap file
Rhino.UI.OpenFileDialog fd = new Rhino.UI.OpenFileDialog();
fd.Filter = "Image Files (*.bmp;*.png;*.jpg)|*.bmp;*.png;*.jpg";
if (!fd.ShowDialog())
return Rhino.Commands.Result.Cancel;
// Verify the file that was selected
System.Drawing.Image image;
try
{
image = System.Drawing.Image.FromFile(fd.FileName);
}
catch (Exception)
{
return Rhino.Commands.Result.Failure;
}
// Allow the user to pick the bitmap origin
Rhino.Input.Custom.GetPoint gp = new Rhino.Input.Custom.GetPoint();
gp.SetCommandPrompt("Bitmap Origin");
gp.ConstrainToConstructionPlane(true);
gp.Get();
if (gp.CommandResult() != Rhino.Commands.Result.Success)
return gp.CommandResult();
// Get the view that the point was picked in.
// This will be the view that the bitmap appears in.
Rhino.Display.RhinoView view = gp.View();
if (view == null)
{
view = doc.Views.ActiveView;
if (view == null)
return Rhino.Commands.Result.Failure;
}
// Allow the user to specify the bitmap with in model units
Rhino.Input.Custom.GetNumber gn = new Rhino.Input.Custom.GetNumber();
gn.SetCommandPrompt("Bitmap width");
gn.SetLowerLimit(1.0, false);
gn.Get();
if (gn.CommandResult() != Rhino.Commands.Result.Success)
return gn.CommandResult();
// Cook up some scale factors
double w = gn.Number();
double image_width = image.Width;
double image_height = image.Height;
double h = w * (image_height / image_width);
Rhino.Geometry.Plane plane = view.ActiveViewport.ConstructionPlane();
plane.Origin = gp.Point();
view.ActiveViewport.SetTraceImage(fd.FileName, plane, w, h, false, false);
view.Redraw();
return Rhino.Commands.Result.Success;
}
