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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
// This file was generated, please do not edit it directly.
//
// Please see MilCodeGen.html for more information.
//
using MS.Internal.KnownBoxes;
using System.Windows.Media.Composition;
// These types are aliased to match the unamanaged names used in interop
namespace System.Windows.Media
{
sealed partial class VisualBrush : TileBrush
{
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
/// <summary>
/// Shadows inherited Clone() with a strongly typed
/// version for convenience.
/// </summary>
public new VisualBrush Clone()
{
return (VisualBrush)base.Clone();
}
/// <summary>
/// Shadows inherited CloneCurrentValue() with a strongly typed
/// version for convenience.
/// </summary>
public new VisualBrush CloneCurrentValue()
{
return (VisualBrush)base.CloneCurrentValue();
}
#endregion Public Methods
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
private static void VisualPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
VisualBrush target = ((VisualBrush) d);
Visual oldV = (Visual) e.OldValue;
//
// If the Visual required layout but it is changed before we do Layout
// on that Visual, then we dont want the async LayoutCallback method to run,
// nor do we want the LayoutUpdated handler to run. So we abort/remove them.
//
if (target._pendingLayout)
{
//
// Visual has to be a UIElement since _pendingLayout flag is
// true only if we added the LayoutUpdated handler which can
// only be done on UIElement.
//
UIElement element = (UIElement)oldV;
Debug.Assert(element != null);
element.LayoutUpdated -= target.OnLayoutUpdated;
Debug.Assert(target._DispatcherLayoutResult != null);
Debug.Assert(target._DispatcherLayoutResult.Status == System.Windows.Threading.DispatcherOperationStatus.Pending);
bool abortStatus = target._DispatcherLayoutResult.Abort();
Debug.Assert(abortStatus);
target._pendingLayout = false;
}
Visual newV = (Visual) e.NewValue;
System.Windows.Threading.Dispatcher dispatcher = target.Dispatcher;
if (dispatcher != null)
{
DUCE.IResource targetResource = (DUCE.IResource)target;
using (CompositionEngineLock.Acquire())
{
int channelCount = targetResource.GetChannelCount();
for (int channelIndex = 0; channelIndex < channelCount; channelIndex++)
{
DUCE.Channel channel = targetResource.GetChannel(channelIndex);
Debug.Assert(!channel.IsOutOfBandChannel);
Debug.Assert(!targetResource.GetHandle(channel).IsNull);
target.ReleaseResource(oldV,channel);
target.AddRefResource(newV,channel);
}
}
}
target.PropertyChanged(VisualProperty);
}
private static void AutoLayoutContentPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
VisualBrush target = ((VisualBrush) d);
target.PropertyChanged(AutoLayoutContentProperty);
}
#region Public Properties
/// <summary>
/// Visual - Visual. Default value is null.
/// </summary>
public Visual Visual
{
get
{
return (Visual) GetValue(VisualProperty);
}
set
{
SetValueInternal(VisualProperty, value);
}
}
/// <summary>
/// AutoLayoutContent - bool. Default value is true.
/// If this property is true, this Brush will run layout on the contents of this Brush
/// if the Visual is a non-parented UIElement.
/// </summary>
public bool AutoLayoutContent
{
get
{
return (bool) GetValue(AutoLayoutContentProperty);
}
set
{
SetValueInternal(AutoLayoutContentProperty, BooleanBoxes.Box(value));
}
}
#endregion Public Properties
//------------------------------------------------------
//
// Protected Methods
//
//------------------------------------------------------
#region Protected Methods
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.CreateInstanceCore">Freezable.CreateInstanceCore</see>.
/// </summary>
/// <returns>The new Freezable.</returns>
protected override Freezable CreateInstanceCore()
{
return new VisualBrush();
}
#endregion ProtectedMethods
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
internal override void UpdateResource(DUCE.Channel channel, bool skipOnChannelCheck)
{
// If we're told we can skip the channel check, then we must be on channel
Debug.Assert(!skipOnChannelCheck || _duceResource.IsOnChannel(channel));
if (skipOnChannelCheck || _duceResource.IsOnChannel(channel))
{
base.UpdateResource(channel, skipOnChannelCheck);
// Read values of properties into local variables
Transform vTransform = Transform;
Transform vRelativeTransform = RelativeTransform;
Visual vVisual = Visual;
// Obtain handles for properties that implement DUCE.IResource
DUCE.ResourceHandle hTransform;
if (vTransform == null ||
Object.ReferenceEquals(vTransform, Transform.Identity)
)
{
hTransform = DUCE.ResourceHandle.Null;
}
else
{
hTransform = ((DUCE.IResource)vTransform).GetHandle(channel);
}
DUCE.ResourceHandle hRelativeTransform;
if (vRelativeTransform == null ||
Object.ReferenceEquals(vRelativeTransform, Transform.Identity)
)
{
hRelativeTransform = DUCE.ResourceHandle.Null;
}
else
{
hRelativeTransform = ((DUCE.IResource)vRelativeTransform).GetHandle(channel);
}
// Obtain handles for properties that implement DUCE.IResource
DUCE.ResourceHandle hVisual = vVisual != null ? ((DUCE.IResource)vVisual).GetHandle(channel) : DUCE.ResourceHandle.Null;
// Obtain handles for animated properties
DUCE.ResourceHandle hOpacityAnimations = GetAnimationResourceHandle(OpacityProperty, channel);
DUCE.ResourceHandle hViewportAnimations = GetAnimationResourceHandle(ViewportProperty, channel);
DUCE.ResourceHandle hViewboxAnimations = GetAnimationResourceHandle(ViewboxProperty, channel);
// Pack & send command packet
DUCE.MILCMD_VISUALBRUSH data;
unsafe
{
data.Type = MILCMD.MilCmdVisualBrush;
data.Handle = _duceResource.GetHandle(channel);
if (hOpacityAnimations.IsNull)
{
data.Opacity = Opacity;
}
data.hOpacityAnimations = hOpacityAnimations;
data.hTransform = hTransform;
data.hRelativeTransform = hRelativeTransform;
data.ViewportUnits = ViewportUnits;
data.ViewboxUnits = ViewboxUnits;
if (hViewportAnimations.IsNull)
{
data.Viewport = Viewport;
}
data.hViewportAnimations = hViewportAnimations;
if (hViewboxAnimations.IsNull)
{
data.Viewbox = Viewbox;
}
data.hViewboxAnimations = hViewboxAnimations;
data.Stretch = Stretch;
data.TileMode = TileMode;
data.AlignmentX = AlignmentX;
data.AlignmentY = AlignmentY;
data.CachingHint = (CachingHint)GetValue(RenderOptions.CachingHintProperty);
data.CacheInvalidationThresholdMinimum = (double)GetValue(RenderOptions.CacheInvalidationThresholdMinimumProperty);
data.CacheInvalidationThresholdMaximum = (double)GetValue(RenderOptions.CacheInvalidationThresholdMaximumProperty);
data.hVisual = hVisual;
// Send packed command structure
channel.SendCommand(
(byte*)&data,
sizeof(DUCE.MILCMD_VISUALBRUSH));
}
}
}
internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel)
{
if (_duceResource.CreateOrAddRefOnChannel(this, channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_VISUALBRUSH))
{
Transform vTransform = Transform;
if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel);
Transform vRelativeTransform = RelativeTransform;
if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).AddRefOnChannel(channel);
Visual vVisual = Visual;
if (vVisual != null) vVisual.AddRefOnChannelForCyclicBrush(this, channel);
AddRefOnChannelAnimations(channel);
UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ );
}
return _duceResource.GetHandle(channel);
}
internal override void ReleaseOnChannelCore(DUCE.Channel channel)
{
Debug.Assert(_duceResource.IsOnChannel(channel));
if (_duceResource.ReleaseOnChannel(channel))
{
Transform vTransform = Transform;
if (vTransform != null) ((DUCE.IResource)vTransform).ReleaseOnChannel(channel);
Transform vRelativeTransform = RelativeTransform;
if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).ReleaseOnChannel(channel);
Visual vVisual = Visual;
if (vVisual != null) vVisual.ReleaseOnChannelForCyclicBrush(this, channel);
ReleaseOnChannelAnimations(channel);
}
}
internal override DUCE.ResourceHandle GetHandleCore(DUCE.Channel channel)
{
// Note that we are in a lock here already.
return _duceResource.GetHandle(channel);
}
internal override int GetChannelCountCore()
{
// must already be in composition lock here
return _duceResource.GetChannelCount();
}
internal override DUCE.Channel GetChannelCore(int index)
{
// Note that we are in a lock here already.
return _duceResource.GetChannel(index);
}
#endregion Internal Methods
//------------------------------------------------------
//
// Internal Properties
//
//------------------------------------------------------
#region Internal Properties
//
// This property finds the correct initial size for the _effectiveValues store on the
// current DependencyObject as a performance optimization
//
// This includes:
// Visual
//
internal override int EffectiveValuesInitialSize
{
get
{
return 1;
}
}
#endregion Internal Properties
//------------------------------------------------------
//
// Dependency Properties
//
//------------------------------------------------------
#region Dependency Properties
/// <summary>
/// The DependencyProperty for the VisualBrush.Visual property.
/// </summary>
public static readonly DependencyProperty VisualProperty;
/// <summary>
/// The DependencyProperty for the VisualBrush.AutoLayoutContent property.
/// </summary>
public static readonly DependencyProperty AutoLayoutContentProperty;
#endregion Dependency Properties
//------------------------------------------------------
//
// Internal Fields
//
//------------------------------------------------------
#region Internal Fields
internal System.Windows.Media.Composition.DUCE.MultiChannelResource _duceResource = new System.Windows.Media.Composition.DUCE.MultiChannelResource();
internal const bool c_AutoLayoutContent = true;
#endregion Internal Fields
#region Constructors
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
static VisualBrush()
{
// We check our static default fields which are of type Freezable
// to make sure that they are not mutable, otherwise we will throw
// if these get touched by more than one thread in the lifetime
// of your app.
// Initializations
Type typeofThis = typeof(VisualBrush);
VisualProperty =
RegisterProperty("Visual",
typeof(Visual),
typeofThis,
null,
new PropertyChangedCallback(VisualPropertyChanged),
null,
/* isIndependentlyAnimated = */ false,
/* coerceValueCallback */ null);
AutoLayoutContentProperty =
RegisterProperty("AutoLayoutContent",
typeof(bool),
typeofThis,
true,
new PropertyChangedCallback(AutoLayoutContentPropertyChanged),
null,
/* isIndependentlyAnimated = */ false,
/* coerceValueCallback */ null);
}
#endregion Constructors
}
}
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