/// <summary>
/// Adds the view modes that handle the resizing and movement of the export rectangle.
/// </summary>
/// <param name="inputMode"></param>
private void AddExportRectInputModes(MultiplexingInputMode inputMode)
{
// create handles for interactively resizing the export rectangle
var rectangleHandles = new RectangleReshapeHandleProvider(exportRect)
{
MinimumSize = new SizeD(1, 1)
};
// create a mode that deals with the handles
var exportHandleInputMode = new HandleInputMode {
Priority = 1
};
// add it to the graph editor mode
inputMode.Add(exportHandleInputMode);
// now the handles
var inputModeContext = Contexts.CreateInputModeContext(exportHandleInputMode);
exportHandleInputMode.Handles = new DefaultObservableCollection <IHandle>
{
rectangleHandles.GetHandle(inputModeContext, HandlePositions.NorthEast),
rectangleHandles.GetHandle(inputModeContext, HandlePositions.NorthWest),
rectangleHandles.GetHandle(inputModeContext, HandlePositions.SouthEast),
rectangleHandles.GetHandle(inputModeContext, HandlePositions.SouthWest),
};
// create a mode that allows for dragging the export rectangle at the sides
var moveInputMode = new MoveInputMode
{
PositionHandler = new ExportRectanglePositionHandler(exportRect),
HitTestable = HitTestables.Create(
(context, location) => {
var path = new GeneralPath(5);
path.AppendRectangle(exportRect, false);
return(path.PathContains(location, context.HitTestRadius + 3 * context.Zoom));
}),
Priority = 41
};
// add it to the edit mode
inputMode.Add(moveInputMode);
}
