public CroppingAdorner(UIElement adornedElement) : base(adornedElement)
{
_visualCollection = new VisualCollection(this);
_originalCanvas = (Canvas)adornedElement;
_canvasOverlay = new Canvas();
_rectangleManager = new RectangleManager(_canvasOverlay);
_overlayManager = new OverlayManager(_canvasOverlay, _rectangleManager);
_thumbManager = new ThumbManager(_canvasOverlay, _rectangleManager);
_displayTextManager = new DisplayTextManager(_canvasOverlay, _rectangleManager);
_visualCollection.Add(_canvasOverlay);
//add event handlers
MouseLeftButtonDown += MouseLeftButtonDownEventHandler;
MouseMove += MouseMoveEventHandler;
MouseLeftButtonUp += MouseLeftButtonUpEventHandler;
Loaded += (object sender, RoutedEventArgs args) => Show();
_originalCanvas.SizeChanged += (object sender, SizeChangedEventArgs e) => Show();
_rectangleManager.RectangleSizeChanged += (object sender, EventArgs args) => Show();
_rectangleManager.OnRectangleDoubleClickEvent += (object sender, EventArgs args) =>
{
OnRectangleDoubleClickEvent?.Invoke(sender, new DoubleClickEventArgs()
{
BitmapFrame = GetCroppedBitmapFrame()
});
};
}
public DisplayTextManager(Canvas canvas, RectangleManager rectangleManager)
{
_rectangleManager = rectangleManager;
_sizeTextBlock = new TextBlock()
{
Text = "Size counter",
FontSize = 14,
Foreground = Brushes.White,
Background = Brushes.Black,
Visibility = Visibility.Hidden
};
canvas.Children.Add(_sizeTextBlock);
}
public OverlayManager(Canvas canvas, RectangleManager rectangleManager)
{
_canvas = canvas;
_rectangleManager = rectangleManager;
_pathOverlay = new Path
{
Fill = Brushes.Black,
Opacity = 0.5
};
_canvas.Children.Add(_pathOverlay);
}
public ThumbManager(Canvas canvas, RectangleManager rectangleManager)
{
// initizalize
_canvas = canvas;
_rectangleManager = rectangleManager;
_thumbSize = 10;
// create thumbs with factory
_bottomMiddle = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.BottomMiddle, _canvas, _thumbSize);
_leftMiddle = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.LeftMiddle, _canvas, _thumbSize);
_topMiddle = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.TopMiddle, _canvas, _thumbSize);
_rightMiddle = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.RightMiddle, _canvas, _thumbSize);
_topLeft = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.TopLeft, _canvas, _thumbSize);
_topRight = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.TopRight, _canvas, _thumbSize);
_bottomLeft = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.BottomLeft, _canvas, _thumbSize);
_bottomRight = ThumbFactory.CreateThumb(ThumbFactory.ThumbPosition.BottomRight, _canvas, _thumbSize);
// subsctibe to mouse events
_bottomMiddle.DragDelta += new DragDeltaEventHandler(BottomMiddleDragDeltaEventHandler);
_bottomMiddle.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_bottomMiddle.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
_leftMiddle.DragDelta += new DragDeltaEventHandler(LeftMiddleDragDeltaEventHandler);
_leftMiddle.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_leftMiddle.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
_topMiddle.DragDelta += new DragDeltaEventHandler(TopMiddleDragDeltaEventHandler);
_topMiddle.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_topMiddle.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
_rightMiddle.DragDelta += new DragDeltaEventHandler(RightMiddleDragDeltaEventHandler);
_rightMiddle.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_rightMiddle.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
_topLeft.DragDelta += new DragDeltaEventHandler(TopLeftDragDeltaEventHandler);
_topLeft.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_topLeft.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
_topRight.DragDelta += new DragDeltaEventHandler(TopRighttDragDeltaEventHandler);
_topRight.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_topRight.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
_bottomLeft.DragDelta += new DragDeltaEventHandler(BottomLeftDragDeltaEventHandler);
_bottomLeft.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_bottomLeft.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
_bottomRight.DragDelta += new DragDeltaEventHandler(BottomRightDragDeltaEventHandler);
_bottomRight.PreviewMouseLeftButtonDown += new MouseButtonEventHandler(PreviewMouseLeftButtonDownGenericHandler);
_bottomRight.PreviewMouseLeftButtonUp += new MouseButtonEventHandler(PreviewMouseLeftButtonUpGenericHandler);
}
