/// <summary>
/// Handles the wall changed business.
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void OnWallChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
WallControl view = d as WallControl;
if (view == null)
{
return;
}
view.Rejigger();
}
/// <summary>
/// Handles the <see cref="E:MinScaleChanged" /> event.
/// </summary>
/// <param name="d">The d.</param>
/// <param name="e">The <see cref="DependencyPropertyChangedEventArgs" /> instance containing the event data.</param>
private static void OnMinScaleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
WallControl view = d as WallControl;
if (view == null)
{
return;
}
view.Scale = Math.Max(view.Scale, (double)e.NewValue);
view.Increment = (view.MaxScale - view.MinScale) / 20.0d;
}
/// <summary>
/// Called when [scale coerce].
/// </summary>
/// <param name="d">The d.</param>
/// <param name="basevalue">The basevalue.</param>
/// <returns>System.Object.</returns>
private static object OnScaleCoerce(DependencyObject d, object basevalue)
{
WallControl view = d as WallControl;
double value = basevalue as double? ?? double.NaN;
if (view == null || double.IsNaN(value))
{
return(basevalue);
}
if (value < view.MinScale)
{
return(view.MinScale);
}
if (value > view.MaxScale)
{
return(view.MaxScale);
}
return(value);
}
