private void Size_Click(object sender, RoutedEventArgs e)
{
AnimateSize s = _size[_random.Next(_size.Length)];
NewPosition.Size = s;
RemovePosition.Size = s;
}
/// <summary>
/// Calculate appropriate rectangle from given current state and target size.
/// </summary>
/// <param name="size">Size enumeration.</param>
/// <param name="rect">Rectangle to modify.</param>
/// <param name="elementState">Animation state of element.</param>
/// <returns>Calculated rectangle using provided size.</returns>
protected Rect RectFromSize(AnimateSize size,
Rect rect,
MetaElementState elementState)
{
Size minSize = elementState.Element.DesiredSize;
switch (size)
{
case AnimateSize.Original:
return(rect);
case AnimateSize.ZeroWidthLeft:
return(new Rect(rect.X, rect.Y, minSize.Width, rect.Height));
case AnimateSize.ZeroWidthCenter:
return(new Rect(rect.X + ((rect.Width - minSize.Width) / 2), rect.Y, minSize.Width, rect.Height));
case AnimateSize.ZeroWidthRight:
return(new Rect(rect.Right - minSize.Width, rect.Y, minSize.Width, rect.Height));
case AnimateSize.ZeroHeightTop:
return(new Rect(rect.X, rect.Y, rect.Width, minSize.Height));
case AnimateSize.ZeroHeightCenter:
return(new Rect(rect.X, rect.Y + (rect.Height - minSize.Height) / 2, rect.Width, minSize.Height));
case AnimateSize.ZeroHeightBottom:
return(new Rect(rect.X, rect.Bottom - minSize.Height, rect.Width, minSize.Height));
case AnimateSize.ZeroZeroCenter:
return(new Rect(rect.X + (rect.Width - minSize.Width) / 2, rect.Y + (rect.Height - minSize.Height) / 2, minSize.Width, minSize.Height));
case AnimateSize.ZeroZeroTopLeft:
return(new Rect(rect.X, rect.Y, minSize.Width, minSize.Height));
case AnimateSize.ZeroZeroTopRight:
return(new Rect(rect.Right - minSize.Width, rect.Y, minSize.Width, minSize.Height));
case AnimateSize.ZeroZeroBottomLeft:
return(new Rect(rect.X, rect.Bottom - minSize.Height, minSize.Width, minSize.Height));
case AnimateSize.ZeroZeroBottomRight:
return(new Rect(rect.Right - minSize.Width, rect.Bottom - minSize.Height, minSize.Width, minSize.Height));
default:
// Should never happen!
Debug.Assert(false);
return(new Rect());
}
}
/// <summary>
/// Calculate appropriate rectangle from given current state and target size.
/// </summary>
/// <param name="size">Size enumeration.</param>
/// <param name="rect">Rectangle to modify.</param>
/// <param name="elementState">Animation state of element.</param>
/// <returns>Calculated rectangle using provided size.</returns>
protected Rect RectFromSize(AnimateSize size,
Rect rect,
MetaElementState elementState)
{
Size minSize = elementState.Element.DesiredSize;
switch (size)
{
case AnimateSize.Original:
return rect;
case AnimateSize.ZeroWidthLeft:
return new Rect(rect.X, rect.Y, minSize.Width, rect.Height);
case AnimateSize.ZeroWidthCenter:
return new Rect(rect.X + ((rect.Width - minSize.Width) / 2), rect.Y, minSize.Width, rect.Height);
case AnimateSize.ZeroWidthRight:
return new Rect(rect.Right - minSize.Width, rect.Y, minSize.Width, rect.Height);
case AnimateSize.ZeroHeightTop:
return new Rect(rect.X, rect.Y, rect.Width, minSize.Height);
case AnimateSize.ZeroHeightCenter:
return new Rect(rect.X, rect.Y + (rect.Height - minSize.Height) / 2, rect.Width, minSize.Height);
case AnimateSize.ZeroHeightBottom:
return new Rect(rect.X, rect.Bottom - minSize.Height, rect.Width, minSize.Height);
case AnimateSize.ZeroZeroCenter:
return new Rect(rect.X + (rect.Width - minSize.Width) / 2, rect.Y + (rect.Height - minSize.Height) / 2, minSize.Width, minSize.Height);
case AnimateSize.ZeroZeroTopLeft:
return new Rect(rect.X, rect.Y, minSize.Width, minSize.Height);
case AnimateSize.ZeroZeroTopRight:
return new Rect(rect.Right - minSize.Width, rect.Y, minSize.Width, minSize.Height);
case AnimateSize.ZeroZeroBottomLeft:
return new Rect(rect.X, rect.Bottom - minSize.Height, minSize.Width, minSize.Height);
case AnimateSize.ZeroZeroBottomRight:
return new Rect(rect.Right - minSize.Width, rect.Bottom - minSize.Height, minSize.Width, minSize.Height);
default:
// Should never happen!
Debug.Assert(false);
return new Rect();
}
}
