internal static Storyboard RotateFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as CompositeTransform) ?? new CompositeTransform();
transform.Rotation = settings.Rotation;
SetRenderTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, settings.Rotation, 0, "(UIElement.RenderTransform).(CompositeTransform.Rotation)", ref storyboard);
return(storyboard);
}
// ====================
// SCALE
// ====================
internal static Storyboard ScaleXTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = GetFrameworkElementTransform(element, settings) ?? CreateTransformGroup();
var scale = transform.Children[SCALE_INDEX] as ScaleTransform;
SetTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, scale.ScaleX, settings.ScaleX,
$"{GetTransformType(settings)}Transform.Children[{SCALE_INDEX}].ScaleX", ref storyboard);
return(storyboard);
}
internal static Storyboard TranslateYTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as TransformGroup) ?? CreateTransformGroup();
var translate = transform.Children[TRANSLATE_INDEX] as TranslateTransform;
SetTransform(element, settings, transform);
element.ApplyAnimation(settings, translate.Y, settings.OffsetY.GetCalculatedOffset(element, OffsetTarget.Y),
$"{GetTransformType(settings)}Transform.Children[{TRANSLATE_INDEX}].Y", ref storyboard);
return(storyboard);
}
// ====================
// ROTATE
// ====================
internal static Storyboard RotateTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = GetFrameworkElementTransform(element, settings) ?? CreateTransformGroup();
var rotate = transform.Children[ROTATE_INDEX] as RotateTransform;
SetTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, rotate.Angle, settings.Rotation,
$"{(settings.TransformOn == TransformationType.Render ? "Render" : "Layout")}Transform.Children[{ROTATE_INDEX}].Angle", ref storyboard);
return(storyboard);
}
// ====================
// TRANSLATE
// ====================
internal static Storyboard TranslateXTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as TransformGroup) ?? CreateTransformGroup();
var translate = transform.Children[TRANSLATE_INDEX] as TranslateTransform;
SetTransform(element, settings, transform);
element.ApplyAnimation(settings, translate.X, settings.OffsetX.GetCalculatedOffset(element, OffsetTarget.X),
$"{(settings.TransformOn == TransformationType.Render ? "Render" : "Layout")}Transform.Children[{TRANSLATE_INDEX}].X", ref storyboard);
return(storyboard);
}
internal static Storyboard TranslateYFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as CompositeTransform) ?? new CompositeTransform();
transform.TranslateY = settings.OffsetY.GetCalculatedOffset(element, OffsetTarget.Y);
SetRenderTransform(element, settings, transform);
element.ApplyAnimation(settings, transform.TranslateY, 0, "(UIElement.RenderTransform).(CompositeTransform.TranslateY)", ref storyboard);
return(storyboard);
}
internal static Storyboard ScaleYTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = GetFrameworkElementTransform(element, settings) ?? CreateTransformGroup();
var scale = transform.Children[SCALE_INDEX] as ScaleTransform;
SetTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, scale.ScaleY, settings.ScaleY,
$"{(settings.TransformOn == TransformationType.Render ? "Render" : "Layout")}Transform.Children[{SCALE_INDEX}].ScaleY", ref storyboard);
return(storyboard);
}
internal static Storyboard TranslateYFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as TransformGroup) ?? CreateTransformGroup();
var translate = transform.Children[TRANSLATE_INDEX] as TranslateTransform;
translate.Y = settings.OffsetY;
SetRenderTransform(element, settings, transform);
element.ApplyAnimation(settings, settings.OffsetY, 0, $"RenderTransform.Children[{TRANSLATE_INDEX}].Y", ref storyboard);
return(storyboard);
}
internal static Storyboard TranslateXFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as TransformGroup) ?? CreateTransformGroup();
var translate = transform.Children[TRANSLATE_INDEX] as TranslateTransform;
translate.X = settings.OffsetX.GetCalculatedOffset(element, OffsetTarget.X);
SetRenderTransform(element, settings, transform);
element.ApplyAnimation(settings, translate.X, 0, $"RenderTransform.Children[{TRANSLATE_INDEX}].X", ref storyboard);
return(storyboard);
}
internal static Storyboard RotateFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as TransformGroup) ?? CreateTransformGroup();
var rotate = transform.Children[ROTATE_INDEX] as RotateTransform;
rotate.Angle = settings.Rotation;
SetRenderTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, settings.Rotation, 0, $"RenderTransform.Children[{ROTATE_INDEX}].Angle", ref storyboard);
return(storyboard);
}
// ====================
// FADE
// ====================
internal static Storyboard FadeTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
// Since a previous animation can have a "hold" on the Opacity property, we must "release" it before
// setting a new value. See the Remarks section of the AttachedProperty for more info.
if (Animations.GetAllowOpacityReset(element))
{
element.BeginAnimation(UIElement.OpacityProperty, null);
}
element.ApplyAnimation(settings, element.Opacity, settings.Opacity, "Opacity", ref storyboard);
return(storyboard);
}
internal static Storyboard ScaleYFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = (element.RenderTransform as TransformGroup) ?? CreateTransformGroup();
var scale = transform.Children[SCALE_INDEX] as ScaleTransform;
scale.ScaleY = settings.ScaleY;
SetRenderTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, settings.ScaleY, 1, $"RenderTransform.Children[{SCALE_INDEX}].ScaleY", ref storyboard);
return(storyboard);
}
internal static Storyboard FadeFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
// TODO: Investigate to determine the use-case of having the need for calling BeginAnimation() in WPF
// Since a previous animation can have a "hold" on the Opacity property, we must "release" it before setting a new value:
// https://docs.microsoft.com/en-us/dotnet/framework/wpf/graphics-multimedia/how-to-set-a-property-after-animating-it-with-a-storyboard?view=netframework-4.7.2#remove-an-animation-from-an-individual-property
//element.BeginAnimation(UIElement.OpacityProperty, null);
element.Opacity = settings.Opacity;
element.ApplyAnimation(settings, settings.Opacity, 1, "Opacity", ref storyboard);
return(storyboard);
}
// ====================
// COLOR
// ====================
internal static Storyboard ColorTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
Color fromColor = Colors.Transparent;
var propertyPath = string.Empty;
switch (settings.ColorOn)
{
case ColorTarget.Background when element is Control ctl && ctl.Background is SolidColorBrush brush:
propertyPath = "(Control.Background).(SolidColorBrush.Color)";
fromColor = brush.Color;
break;
case ColorTarget.Foreground when element is Control ctl && ctl.Foreground is SolidColorBrush brush:
propertyPath = "(Control.Foreground).(SolidColorBrush.Color)";
fromColor = brush.Color;
break;
case ColorTarget.BorderBrush when element is Control ctl && ctl.BorderBrush is SolidColorBrush brush:
propertyPath = "(Control.BorderBrush).(SolidColorBrush.Color)";
fromColor = brush.Color;
break;
case ColorTarget.Foreground when element is TextBlock tb && tb.Foreground is SolidColorBrush brush:
propertyPath = "(TextBlock.Foreground).(SolidColorBrush.Color)";
fromColor = brush.Color;
break;
case ColorTarget.Fill when element is Shape shp && shp.Fill is SolidColorBrush brush:
propertyPath = "(Shape.Fill).(SolidColorBrush.Color)";
fromColor = brush.Color;
break;
case ColorTarget.Stroke when element is Shape shp && shp.Stroke is SolidColorBrush brush:
propertyPath = "(Shape.Stroke).(SolidColorBrush.Color)";
fromColor = brush.Color;
break;
default:
const string message =
"$Cannot animate the ColorAnimation. Make sure the animation is applied on a Control, TextBlock, or Shape. " +
"Also make sure that an existing brush exists on the corresponding property (Background, Foreground, BorderBrush, Fill, or Stroke).";
throw new ArgumentException(message);
}
element.ApplyAnimation(settings, fromColor, settings.Color, propertyPath, ref storyboard);
return(storyboard);
}
internal static Storyboard RotateFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = GetFrameworkElementTransform(element, settings) ?? CreateTransformGroup();
transform.Children[ROTATE_INDEX] = new RotateTransform()
{
Angle = settings.Rotation
};
SetTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, settings.Rotation, 0,
$"{GetTransformType(settings)}Transform.Children[{ROTATE_INDEX}].Angle", ref storyboard);
return(storyboard);
}
internal static Storyboard ScaleYFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var transform = GetFrameworkElementTransform(element, settings) ?? CreateTransformGroup();
var currentScaleX = (transform.Children[SCALE_INDEX] as ScaleTransform)?.ScaleX ?? 1;
transform.Children[SCALE_INDEX] = new ScaleTransform()
{
ScaleX = currentScaleX,
ScaleY = settings.ScaleY
};
SetTransform(element, settings, transform, updateTransformCenterPoint: true);
element.ApplyAnimation(settings, settings.ScaleY, 1,
$"{GetTransformType(settings)}Transform.Children[{SCALE_INDEX}].ScaleY", ref storyboard);
return(storyboard);
}
// ====================
// FADE
// ====================
internal static Storyboard FadeTo(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
element.ApplyAnimation(settings, element.Opacity, settings.Opacity, "(UIElement.Opacity)", ref storyboard);
return(storyboard);
}
internal static Storyboard ColorFrom(this FrameworkElement element, AnimationSettings settings, ref Storyboard storyboard)
{
var toColor = Colors.Transparent;
var propertyPath = string.Empty;
var type = element.GetType();
var elementType = $"{type.Namespace}:{type.Name}";
const string brushTarget = "Windows.UI.Xaml.Media:SolidColorBrush.Color";
switch (settings.ColorOn)
{
#if HAS_UNO
case ColorTarget.Background when element is FrameworkElement elem:
propertyPath = $"({elementType}.Background).({brushTarget})";
toColor = (elem.Background as SolidColorBrush)?.Color ?? Colors.Transparent;
elem.Background = new SolidColorBrush(settings.Color);
break;
#else
case ColorTarget.Background when element is Control ctl:
propertyPath = $"({elementType}.Background).({brushTarget})";
toColor = (ctl.Background as SolidColorBrush)?.Color ?? Colors.Transparent;
ctl.Background = new SolidColorBrush(settings.Color);
break;
#endif
case ColorTarget.Background when element is Panel pnl:
propertyPath = $"({elementType}.Background).({brushTarget})";
toColor = (pnl.Background as SolidColorBrush)?.Color ?? Colors.Transparent;
pnl.Background = new SolidColorBrush(settings.Color);
break;
case ColorTarget.Foreground when element is Control ctl:
propertyPath = $"({elementType}.Foreground).({brushTarget})";
toColor = (ctl.Foreground as SolidColorBrush)?.Color ?? Colors.Transparent;
ctl.Foreground = new SolidColorBrush(settings.Color);
break;
case ColorTarget.BorderBrush when element is Control ctl:
propertyPath = $"({elementType}.BorderBrush).({brushTarget})";
toColor = (ctl.BorderBrush as SolidColorBrush)?.Color ?? Colors.Transparent;
ctl.BorderBrush = new SolidColorBrush(settings.Color);
break;
case ColorTarget.Foreground when element is TextBlock tb:
propertyPath = $"({elementType}.Foreground).({brushTarget})";
toColor = (tb.Foreground as SolidColorBrush)?.Color ?? Colors.Transparent;
tb.Foreground = new SolidColorBrush(settings.Color);
break;
case ColorTarget.Fill when element is Shape shp:
propertyPath = $"({elementType}.Fill).({brushTarget})";
toColor = (shp.Fill as SolidColorBrush)?.Color ?? Colors.Transparent;
shp.Fill = new SolidColorBrush(settings.Color);
break;
case ColorTarget.Stroke when element is Shape shp:
propertyPath = $"({elementType}.Stroke).({brushTarget})";
toColor = (shp.Stroke as SolidColorBrush)?.Color ?? Colors.Transparent;
shp.Stroke = new SolidColorBrush(settings.Color);
break;
default:
const string message =
"$Cannot animate the ColorAnimation. Make sure the animation is applied on a Control, TextBlock, or Shape. " +
"Also make sure that an existing brush exists on the corresponding property (Background, Foreground, BorderBrush, Fill, or Stroke).";
throw new ArgumentException(message);
}
element.ApplyAnimation(settings, settings.Color, toColor, propertyPath, ref storyboard);
return(storyboard);
}
