//-------------------------------------------------------------------------------
//
// Protected Methods
//
//-------------------------------------------------------------------------------
#region Protected Methods
/// <summary>
/// Attaching to the element, we get attached in StylusDown
/// </summary>
protected override void OnActivate()
{
_actionStarted = false;
// Capture the mouse.
InitializeCapture();
// Hittest for the grab handle
MouseDevice mouse = Mouse.PrimaryDevice;
_hitResult = InkCanvas.SelectionAdorner.SelectionHandleHitTest(
mouse.GetPosition((IInputElement)(InkCanvas.SelectionAdorner)));
Debug.Assert(_hitResult != InkCanvasSelectionHitResult.None);
EditingCoordinator.InvalidateBehaviorCursor(this);
// Get the current selection bounds.
_selectionRect = InkCanvas.GetSelectionBounds( );
// Set the initial tracking position and rectangle
_previousLocation = mouse.GetPosition(InkCanvas.SelectionAdorner);
_previousRect = _selectionRect;
// Start the feedback rubber band.
InkCanvas.InkCanvasSelection.StartFeedbackAdorner(_selectionRect, _hitResult);
// Add handlers to the mouse events.
InkCanvas.SelectionAdorner.AddHandler(Mouse.MouseUpEvent, new MouseButtonEventHandler(OnMouseUp));
InkCanvas.SelectionAdorner.AddHandler(Mouse.MouseMoveEvent, new MouseEventHandler(OnMouseMove));
InkCanvas.SelectionAdorner.AddHandler(UIElement.LostMouseCaptureEvent,
new MouseEventHandler(OnLostMouseCapture));
}
public void CopyInkCanvasObjects(InkCanvas inkCanvas, InkCanvas clipboardCanvas)
{
var selectionBounds = inkCanvas.GetSelectionBounds();
if (selectionBounds.IsEmpty)
{
return;
}
Clear(clipboardCanvas);
var selectedElements = inkCanvas.GetSelectedElements().ToList();
var selectedStrokes = new StrokeCollection(inkCanvas.GetSelectedStrokes());
ClearSelection(inkCanvas);
var elements = new List <UIElement>();
WPFHelper.CloneElementsTo(elements, selectedElements.GetEnumerator(), clipboardCanvas);
WPFHelper.CloneStrokesTo(clipboardCanvas.Strokes, selectedStrokes);
elements.ForEach(element => clipboardCanvas.Children.Add(element));
inkCanvas.Select(selectedStrokes, selectedElements);
var dataObject = new DataObject();
dataObject.SetData(ClipboardIdFormat, _clipboardStateId = Guid.NewGuid());
dataObject.SetData(DataFormats.Bitmap, ImageHelper.GetCroppedImageFromInkCanvas(selectionBounds, inkCanvas));
Clipboard.SetDataObject(dataObject);
}
/// <summary>
/// Unmagnifies the sketch by a preset amount and notifies listerners.
/// </summary>
public void ZoomOut(int pixels)
{
StrokeCollection oldSelection = InkCanvas.GetSelectedStrokes();
SelectAllStrokes();
System.Windows.Rect oldBounds = InkCanvas.GetSelectionBounds();
System.Windows.Rect smallerBounds = new System.Windows.Rect(oldBounds.TopLeft,
new System.Windows.Size(oldBounds.Width * SketchPanelConstants.ZoomOutFactor, oldBounds.Height * SketchPanelConstants.ZoomOutFactor));
CommandList.MoveResizeCmd resize = new CommandList.MoveResizeCmd(ref inkSketch, oldBounds, smallerBounds);
CM.ExecuteCommand(resize);
InkCanvas.Select(oldSelection);
InkChanged(false);
}