public void Transform()
{
if (_document.Selection.IsEmpty() || _document.Selection.InFaceSelection) return;
var box = _document.Selection.GetSelectionBoundingBox();
using (var td = new TransformDialog(box))
{
if (td.ShowDialog() != DialogResult.OK) return;
var value = td.TransformValue;
IUnitTransformation transform = null;
switch (td.TransformType)
{
case TransformType.Rotate:
var mov = Matrix.Translation(-box.Center); // Move to zero
var rot = Matrix.Rotation(Quaternion.EulerAngles(value * DMath.PI / 180)); // Do rotation
var fin = Matrix.Translation(box.Center); // Move to final origin
transform = new UnitMatrixMult(fin * rot * mov);
break;
case TransformType.Translate:
transform = new UnitTranslate(value);
break;
case TransformType.Scale:
transform = new UnitScale(value, box.Center);
break;
}
if (transform == null) return;
var selected = _document.Selection.GetSelectedParents();
_document.PerformAction("Transform selection", new Edit(selected, new TransformEditOperation(transform, _document.Map.GetTransformFlags())));
}
}
private IEnumerable<MapObject> CreateCopy(IDGenerator gen, Coordinate origin, Coordinate rotation, List<string> names, TransformFlags transformFlags)
{
var box = new Box(_objectsToPaste.Select(x => x.BoundingBox));
var mov = Matrix.Translation(-box.Center); // Move to zero
var rot = Matrix.Rotation(Quaternion.EulerAngles(rotation * DMath.PI / 180)); // Do rotation
var fin = Matrix.Translation(origin); // Move to final origin
var transform = new UnitMatrixMult(fin * rot * mov);
foreach (var mo in _objectsToPaste)
{
// Copy, transform and fix entity names
var copy = mo.Copy(gen);
copy.Transform(transform, transformFlags);
FixEntityNames(copy, names);
yield return copy;
}
}
