/// <summary>
/// Rotates the strokes to the same angle as outline.
/// </summary>
void rotateHandle_DragCompleted(object sender,
DragCompletedEventArgs e)
{
if (rotation == null)
{
return;
}
visualChildren.Remove(rotatePreview);
(linkStroke as LinkStroke).RotateStroke(rotation.Angle - lastAngle);
DrawingService.UpdateLinks(new StrokeCollection {
linkStroke
});
strokeBounds = linkStroke.GetBounds();
center = linkStroke.GetCenter();
// Save the angle of the last rotation.
lastAngle = 0;
linkStroke.rotation = 0;
canvas.RefreshChildren();
// Redraw rotateHandle.
InvalidateArrange();
}
public LinkRotateAdorner(UIElement adornedElement, LinkStroke strokeToRotate, CustomInkCanvas actualCanvas)
: base(adornedElement)
{
adornedStroke = strokeToRotate;
linkStroke = strokeToRotate;
canvas = actualCanvas;
// rotation initiale de la stroke (pour dessiner le rectangle)
// Bug. Cheat, but the geometry, the selection Rectangle (newRect) should be the right one.. geom of the stroke?
strokeBounds = strokeToRotate.GetCustomBound();
center = linkStroke.GetCenter();
lastAngle = linkStroke.rotation;
rotation = new RotateTransform(linkStroke.rotation, center.X, center.Y);
visualChildren = new VisualCollection(this);
rotateHandle = new Thumb();
rotateHandle.Cursor = Cursors.Hand;
rotateHandle.Width = 10;
rotateHandle.Height = 10;
rotateHandle.Background = new LinearGradientBrush((Color)ColorConverter.ConvertFromString("#FFc8d4ea"),
(Color)ColorConverter.ConvertFromString("#FF809dce"), 45);
rotateHandle.DragDelta += new DragDeltaEventHandler(rotateHandle_DragDelta);
rotateHandle.DragCompleted += new DragCompletedEventHandler(rotateHandle_DragCompleted);
TransformGroup transform = new TransformGroup();
transform.Children.Add(new RotateTransform(rotation.Angle, rotateHandle.Width / 2, rotateHandle.Height / 2));
transform.Children.Add(new TranslateTransform(-canvas.ActualWidth / 2 + strokeBounds.X + strokeBounds.Width / 2,
-canvas.ActualHeight / 2 + strokeBounds.Y - HANDLEMARGIN));
rotateHandle.RenderTransform = transform;
line = new Path();
line.Stroke = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FF809dce"));
line.StrokeThickness = 1;
line.RenderTransform = rotation;
visualChildren.Add(line);
visualChildren.Add(rotateHandle);
pathPreview.IsClosed = false;
rotatePreview = new Path();
rotatePreview.Data = new PathGeometry();
rotatePreview.Stroke = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FFBBBBBB"));
rotatePreview.StrokeThickness = 2;
visualChildren.Add(rotatePreview);
}
protected override Size ArrangeOverride(Size finalSize)
{
if (strokeBounds.IsEmpty)
{
return(finalSize);
}
center = linkStroke.GetCenter();
for (int i = 0; i < anchors.Count; i++)
{
ArrangeAnchor(i, -center.X + initialMousePosition.X, -center.Y + initialMousePosition.Y);
}
return(finalSize);
}
protected override Size ArrangeOverride(Size finalSize)
{
if (strokeBounds.IsEmpty)
{
return(finalSize);
}
center = linkStroke.GetCenter();
List <Coordinates> strokePath = linkStroke.path;
for (int i = 0; i < linkStroke.path.Count; i++)
{
ArrangeAnchor(i, -center.X + strokePath[i].x, -center.Y + strokePath[i].y);
}
return(finalSize);
}