public static void AddRectangleHandles(GoObject myObject, RectangleF rect, PointF center, float angle, GoSelection sel, GoObject selectedObj) { GoView view = sel.View; bool flag = view?.CanResizeObjects() ?? true; bool flag2 = view?.CanReshapeObjects() ?? true; if (myObject.CanResize() && flag) { float x = rect.X; float x2 = rect.X + rect.Width / 2f; float x3 = rect.X + rect.Width; float y = rect.Y; float y2 = rect.Y + rect.Height / 2f; float y3 = rect.Y + rect.Height; double num = (double)angle * Math.PI / 180.0; double cosine = Math.Cos(num); double sine = Math.Sin(num); SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x, y), center, cosine, sine), 2, filled: true), angle); SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x3, y), center, cosine, sine), 4, filled: true), angle); SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x3, y3), center, cosine, sine), 8, filled: true), angle); SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x, y3), center, cosine, sine), 16, filled: true), angle); if (myObject.CanReshape() && flag2) { SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x2, y), center, cosine, sine), 32, filled: true), angle); SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x3, y2), center, cosine, sine), 64, filled: true), angle); SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x2, y3), center, cosine, sine), 128, filled: true), angle); SetResizeCursor(sel.CreateResizeHandle(myObject, selectedObj, RotatePoint(new PointF(x, y2), center, cosine, sine), 256, filled: true), angle); } } }
/// <summary> /// Display the appropriate selected appearance, normally, resize selection handles /// at each point of the polygon. /// </summary> /// <param name="sel"></param> /// <param name="selectedObj"></param> /// <remarks> /// If this polygon is resizable and reshapable, we add resize selection /// handles at each polygon point, with handle IDs equal to /// <see cref="F:Northwoods.Go.GoObject.LastHandle" /> plus the index of the point. /// </remarks> public override void AddSelectionHandles(GoSelection sel, GoObject selectedObj) { GoView view = sel.View; bool flag = view?.CanResizeObjects() ?? true; bool flag2 = view?.CanReshapeObjects() ?? true; if (!(CanResize() && flag) || !(CanReshape() && flag2)) { base.AddSelectionHandles(sel, selectedObj); return; } sel.RemoveHandles(this); checked { int num = PointsCount - 1; for (int i = 0; i <= num; i++) { PointF point = GetPoint(i); sel.CreateResizeHandle(this, selectedObj, point, 8192 + i, filled: true); } } }