private void AdornerOnMouseMove(object sender, MouseEventArgs e)
{
var point = e.GetPosition(_canvas);
var newPosition = _currentToolState.OnMouseMove(point);
if (newPosition.HasValue)
{
_cropTool.Redraw(newPosition.Value.Left, newPosition.Value.Top, newPosition.Value.Width, newPosition.Value.Height);
}
}
public CropService(FrameworkElement adornedElement)
{
if (adornedElement == null)
{
return;
}
// Make sure menus are hidden when cropping
UILogic.UC.Close_UserControls();
// Show context menu
_ = new CropContextMenu();
canvas = new Canvas
{
Height = adornedElement.ActualHeight,
Width = adornedElement.ActualWidth
};
cropAdorner = new CropAdorner(adornedElement, canvas);
var adornerLayer = AdornerLayer.GetAdornerLayer(adornedElement);
Debug.Assert(adornerLayer != null, nameof(adornerLayer) + " != null");
adornerLayer.Add(cropAdorner);
var cropShape = new CropShape(
new Rectangle
{
Height = 4,
Width = 4,
Stroke = (SolidColorBrush)Application.Current.Resources["MainColorBrush"],
StrokeThickness = 2
}
);
cropTool = new CropTool(canvas);
createState = new CreateState(cropTool, canvas);
completeState = new CompleteState();
dragState = new DragState(cropTool, canvas);
currentToolState = completeState;
cropAdorner.PreviewMouseLeftButtonDown += AdornerOnMouseLeftButtonDown;
cropAdorner.PreviewMouseMove += AdornerOnMouseMove;
cropAdorner.PreviewMouseLeftButtonUp += AdornerOnMouseLeftButtonUp;
cropTool.Redraw(0, 0, 0, 0);
}
public CropService(FrameworkElement adornedElement)
{
_canvas = new Canvas
{
Height = adornedElement.ActualHeight,
Width = adornedElement.ActualWidth
};
_cropAdorner = new CropAdorner(adornedElement, _canvas);
var adornerLayer = AdornerLayer.GetAdornerLayer(adornedElement);
Debug.Assert(adornerLayer != null, nameof(adornerLayer) + " != null");
adornerLayer.Add(_cropAdorner);
var cropShape = new CropShape(
new Rectangle
{
Height = 0,
Width = 0,
Stroke = Brushes.Black,
StrokeThickness = 1.5
},
new Rectangle
{
Stroke = Brushes.White,
StrokeDashArray = new DoubleCollection(new double[] { 4, 4 })
}
);
_cropTool = new CropTool(_canvas);
_createState = new CreateState(_cropTool, _canvas);
_completeState = new CompleteState();
_dragState = new DragState(_cropTool, _canvas);
_currentToolState = _completeState;
_cropAdorner.MouseLeftButtonDown += AdornerOnMouseLeftButtonDown;
_cropAdorner.MouseMove += AdornerOnMouseMove;
_cropAdorner.MouseLeftButtonUp += AdornerOnMouseLeftButtonUp;
_cropTool.Redraw(0, 0, 0, 0);
}