private void ResizeProporcional(IResizable resizable, DragDeltaEventArgs dragDeltaEventArgs)
{
double deltaX = 0;
double deltaY = 0;
double offsetX = 0;
double offsetY = 0;
if ((ResizeDirection & Direction.Right) == Direction.Right || (ResizeDirection & Direction.Left) == Direction.Left)
{
deltaX = dragDeltaEventArgs.HorizontalChange;
offsetX = dragDeltaEventArgs.HorizontalChange;
deltaX = -dragDeltaEventArgs.HorizontalChange;
deltaY = dragDeltaEventArgs.HorizontalChange;
offsetY = dragDeltaEventArgs.HorizontalChange;
deltaY = -dragDeltaEventArgs.HorizontalChange;
}
if ((ResizeDirection & Direction.Bottom) == Direction.Bottom || (ResizeDirection & Direction.Top) == Direction.Top)
{
deltaX = dragDeltaEventArgs.VerticalChange;
offsetX = dragDeltaEventArgs.VerticalChange;
deltaX = -dragDeltaEventArgs.VerticalChange;
deltaY = dragDeltaEventArgs.VerticalChange;
offsetY = dragDeltaEventArgs.VerticalChange;
deltaY = -dragDeltaEventArgs.VerticalChange;
}
resizable.Resize(deltaX, deltaY, offsetX, offsetY);
}
public virtual void ResizeSelectedShapes(double width, double height)
{
foreach (Shape shape in shapes)
{
ISelectable selectable = shape as ISelectable;
if (selectable != null && selectable.IsSelected)
{
IResizable resizable = shape as IResizable;
if (resizable != null)
{
resizable.Resize(width, height);
}
}
}
IsDirty = true;
}
private void AssociatedObjectOnDragDelta(object sender, DragDeltaEventArgs dragDeltaEventArgs)
{
IResizable resizable = this.AssociatedObject.DataContext as IResizable;
if (resizable == null)
{
return;
}
double deltaX = 0;
double deltaY = 0;
double offsetX = 0;
double offsetY = 0;
if ((ResizeDirection & Direction.Right) == Direction.Right)
{
deltaX = dragDeltaEventArgs.HorizontalChange;
}
if ((ResizeDirection & Direction.Left) == Direction.Left)
{
offsetX = dragDeltaEventArgs.HorizontalChange;
deltaX = -dragDeltaEventArgs.HorizontalChange;
}
if ((ResizeDirection & Direction.Bottom) == Direction.Bottom)
{
deltaY = dragDeltaEventArgs.VerticalChange;
}
if ((ResizeDirection & Direction.Top) == Direction.Top)
{
offsetY = dragDeltaEventArgs.VerticalChange;
deltaY = -dragDeltaEventArgs.VerticalChange;
}
resizable.Resize(deltaX, deltaY, offsetX, offsetY);
}