public CroppingAdorner(UIElement adornedElement, Rect rcInit)
: base(adornedElement)
{
_vc = new VisualCollection(this);
_prCropMask = new PuncturedRect();
_prCropMask.IsHitTestVisible = false;
_prCropMask.RectInterior = rcInit;
_prCropMask.Fill = Fill;
_vc.Add(_prCropMask);
_cnvThumbs = new Canvas();
_cnvThumbs.HorizontalAlignment = HorizontalAlignment.Stretch;
_cnvThumbs.VerticalAlignment = VerticalAlignment.Stretch;
_vc.Add(_cnvThumbs);
BuildCorner(ref _crtTop, Cursors.SizeNS);
BuildCorner(ref _crtBottom, Cursors.SizeNS);
BuildCorner(ref _crtLeft, Cursors.SizeWE);
BuildCorner(ref _crtRight, Cursors.SizeWE);
BuildCorner(ref _crtTopLeft, Cursors.SizeNWSE);
BuildCorner(ref _crtTopRight, Cursors.SizeNESW);
BuildCorner(ref _crtBottomLeft, Cursors.SizeNESW);
BuildCorner(ref _crtBottomRight, Cursors.SizeNWSE);
// Add handlers for Cropping.
_crtBottomLeft.DragDelta += new DragDeltaEventHandler(HandleBottomLeft);
_crtBottomRight.DragDelta += new DragDeltaEventHandler(HandleBottomRight);
_crtTopLeft.DragDelta += new DragDeltaEventHandler(HandleTopLeft);
_crtTopRight.DragDelta += new DragDeltaEventHandler(HandleTopRight);
_crtTop.DragDelta += new DragDeltaEventHandler(HandleTop);
_crtBottom.DragDelta += new DragDeltaEventHandler(HandleBottom);
_crtRight.DragDelta += new DragDeltaEventHandler(HandleRight);
_crtLeft.DragDelta += new DragDeltaEventHandler(HandleLeft);
// We have to keep the clipping interior withing the bounds of the adorned element
// so we have to track it's size to guarantee that...
FrameworkElement fel = adornedElement as FrameworkElement;
if (fel != null)
{
fel.SizeChanged += new SizeChangedEventHandler(AdornedElement_SizeChanged);
}
}
public CroppingAdorner(UIElement adornedElement, Rect rcInit)
: base(adornedElement)
{
_vc = new VisualCollection(this);
_prCropMask = new PuncturedRect();
_prCropMask.IsHitTestVisible = false;
_prCropMask.RectInterior = rcInit;
_prCropMask.Fill = Fill;
_vc.Add(_prCropMask);
_cnvThumbs = new Canvas();
_cnvThumbs.HorizontalAlignment = HorizontalAlignment.Stretch;
_cnvThumbs.VerticalAlignment = VerticalAlignment.Stretch;
_vc.Add(_cnvThumbs);
BuildCorner(ref _crtTop, Cursors.SizeNS);
BuildCorner(ref _crtBottom, Cursors.SizeNS);
BuildCorner(ref _crtLeft, Cursors.SizeWE);
BuildCorner(ref _crtRight, Cursors.SizeWE);
BuildCorner(ref _crtTopLeft, Cursors.SizeNWSE);
BuildCorner(ref _crtTopRight, Cursors.SizeNESW);
BuildCorner(ref _crtBottomLeft, Cursors.SizeNESW);
BuildCorner(ref _crtBottomRight, Cursors.SizeNWSE);
// Add handlers for Cropping.
_crtBottomLeft.DragDelta += new DragDeltaEventHandler(HandleBottomLeft);
_crtBottomRight.DragDelta += new DragDeltaEventHandler(HandleBottomRight);
_crtTopLeft.DragDelta += new DragDeltaEventHandler(HandleTopLeft);
_crtTopRight.DragDelta += new DragDeltaEventHandler(HandleTopRight);
_crtTop.DragDelta += new DragDeltaEventHandler(HandleTop);
_crtBottom.DragDelta += new DragDeltaEventHandler(HandleBottom);
_crtRight.DragDelta += new DragDeltaEventHandler(HandleRight);
_crtLeft.DragDelta += new DragDeltaEventHandler(HandleLeft);
// We have to keep the clipping interior withing the bounds of the adorned element
// so we have to track it's size to guarantee that...
FrameworkElement fel = adornedElement as FrameworkElement;
if (fel != null)
{
fel.SizeChanged += new SizeChangedEventHandler(AdornedElement_SizeChanged);
}
}