public virtual DrawingShape GetShape(CanvasEventArgs canvasEventArgs, TikzStyle style)
{
if (canvasEventArgs.MouseState == MouseState.DOWN)
{
Rectangle rect = new Rectangle();
rect.SetStyle(TikzStyle.SelectionStyle);
current = new DrawingShape(new TikzRectangle(rect, null), ShapeState.START);
current.RemoveOnFinish = true;
firstPoint = canvasEventArgs.Point;
}
else
{
current.TikzShape.Shape.Width = Math.Abs(firstPoint.X - canvasEventArgs.Point.X);
current.TikzShape.Shape.Height = Math.Abs(firstPoint.Y - canvasEventArgs.Point.Y);
current.TikzShape.Shape.Margin = new Thickness(Math.Min(firstPoint.X, canvasEventArgs.Point.X), Math.Min(firstPoint.Y, canvasEventArgs.Point.Y), 0, 0);
if (canvasEventArgs.MouseState == MouseState.UP)
{
current.ShapeState = ShapeState.FINISHED;
}
else if (canvasEventArgs.MouseState == MouseState.MOVE)
{
current.ShapeState = ShapeState.DRAWING;
}
}
return(current);
}
public void Reset()
{
firstPoint = null;
current = null;
}