CRhinoCommand::result CCommandSamplePrePostSelect::RunCommand( const CRhinoCommandContext& context )
{
double dValue = m_dValue;
int nValue = m_nValue;
CRhinoGetObject go;
go.SetGeometryFilter( CRhinoGetObject::curve_object );
go.EnableGroupSelect( TRUE );
go.EnableSubObjectSelect( FALSE );
/*int d_option_index =*/ go.AddCommandOptionNumber(
RHCMDOPTNAME(L"Double"), &dValue, L"Double value", FALSE, 1.0, 99.9 );
/*int n_option_index =*/ go.AddCommandOptionInteger(
RHCMDOPTNAME(L"Integer"), &nValue, L"Integer value", 1, 99 );
bool bHavePreselectedObjects = false;
for( ;; )
{
CRhinoGet::result res = go.GetObjects( 1, 0 );
if( res == CRhinoGet::option )
{
go.EnablePreSelect( FALSE );
go.EnableAlreadySelectedObjectSelect( true );
go.EnableClearObjectsOnEntry( false );
go.EnableDeselectAllBeforePostSelect( false );
go.EnableUnselectObjectsOnExit( false );
continue;
}
else if( res != CRhinoGet::object )
return CRhinoCommand::cancel;
if( go.ObjectsWerePreSelected() )
{
bHavePreselectedObjects = true;
go.EnablePreSelect( FALSE );
go.EnableAlreadySelectedObjectSelect( true );
go.EnableClearObjectsOnEntry( false );
go.EnableDeselectAllBeforePostSelect( false );
go.EnableUnselectObjectsOnExit( false );
continue;
}
break;
}
if( bHavePreselectedObjects )
{
// Normally, pre-selected objects will remain selected, when a
// command finishes, and post-selected objects will be unselected.
// This this way of picking, it is possible to have a combination
// of pre-selected and post-selected. So, to make sure everything
// "looks the same", lets unselect everything before finishing
// the command.
for( int i = 0; i < go.ObjectCount(); i++ )
{
const CRhinoObject* object = go.Object(i).Object();
if( 0 != object )
object->Select( false );
}
context.m_doc.Redraw();
}
int object_count = go.ObjectCount();
m_dValue = dValue;
m_nValue = nValue;
RhinoApp().Print( L"Select object count = %d\n", object_count );
RhinoApp().Print( L"Value of double = %f\n", m_dValue );
RhinoApp().Print( L"Value of integer = %d\n", m_nValue );
return CRhinoCommand::success;
}
CRhinoCommand::result CCommandSampleOrientOnSrf::RunCommand( const CRhinoCommandContext& context )
{
// Select objects to orient
CRhinoGetObject go;
go.SetCommandPrompt( L"Select objects to orient" );
go.EnableSubObjectSelect( FALSE );
go.EnableGroupSelect( TRUE );
go.GetObjects( 1, 0 );
if( go.CommandResult() != CRhinoCommand::success )
return go.CommandResult();
// Point to orient from
CRhinoGetPoint gp;
gp.SetCommandPrompt( L"Point to orient from" );
gp.GetPoint();
if( gp.CommandResult() != CRhinoCommand::success )
return gp.CommandResult();
// Define source plane
CRhinoView* view = gp.View();
if( 0 == view )
{
view = RhinoApp().ActiveView();
if( 0 == view )
return CRhinoCommand::failure;
}
ON_Plane source_plane( view->Viewport().ConstructionPlane().m_plane );
source_plane.SetOrigin( gp.Point() );
// Surface to orient on
CRhinoGetObject gs;
gs.SetCommandPrompt( L"Surface to orient on" );
gs.SetGeometryFilter( CRhinoGetObject::surface_object );
gs.EnableSubObjectSelect( TRUE );
gs.EnableDeselectAllBeforePostSelect( false );
gs.EnableOneByOnePostSelect();
gs.GetObjects( 1, 1 );
if( gs.CommandResult() != CRhinoCommand::success )
return gs.CommandResult();
const CRhinoObjRef& ref = gs.Object(0);
// Get selected surface object
const CRhinoObject* obj = ref.Object();
if( 0 == obj )
return CRhinoCommand::failure;
// Get selected surface (face)
const ON_BrepFace* face = ref.Face();
if( 0 == face )
return CRhinoCommand::failure;
// Unselect surface
obj->Select( false );
// Point on surface to orient to
gp.SetCommandPrompt( L"Point on surface to orient to" );
gp.Constrain( *face );
gp.GetPoint();
if( gp.CommandResult() != CRhinoCommand::success )
return gp.CommandResult();
// Do transformation
CRhinoCommand::result rc = CRhinoCommand::failure;
double u = 0.0, v = 0.0;
if( face->GetClosestPoint(gp.Point(), &u, &v) )
{
ON_Plane target_plane;
if( face->FrameAt(u, v, target_plane) )
{
// If the face orientation is opposite
// of natural surface orientation, then
// flip the plane's zaxis.
if( face->m_bRev )
target_plane.CreateFromFrame(
target_plane.origin,
target_plane.xaxis,
-target_plane.zaxis
);
// Build transformation
ON_Xform xform;
xform.Rotation( source_plane, target_plane );
// Do the transformation. In this example,
// we will copy the original objects
bool bDeleteOriginal = false;
int i;
for( i = 0; i < go.ObjectCount(); i++ )
context.m_doc.TransformObject( go.Object(i), xform, bDeleteOriginal );
context.m_doc.Redraw();
rc = CRhinoCommand::success;
}
}
return rc;
}
