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//---------------------------------------------------------------------------
//
// <copyright file="ImageBrush.cs" company="Microsoft">
// Copyright (C) Microsoft Corporation. All rights reserved.
// </copyright>
//
// This file was generated, please do not edit it directly.
//
// Please see http://wiki/default.aspx/Microsoft.Projects.Avalon/MilCodeGen.html for more information.
//
//---------------------------------------------------------------------------
using MS.Internal;
using MS.Internal.KnownBoxes;
using MS.Internal.Collections;
using MS.Internal.PresentationCore;
using MS.Utility;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using System.Runtime.InteropServices;
using System.ComponentModel.Design.Serialization;
using System.Text;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging;
using System.Windows.Markup;
using System.Windows.Media.Converters;
using System.Security;
using System.Security.Permissions;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
// These types are aliased to match the unamanaged names used in interop
using BOOL = System.UInt32;
using WORD = System.UInt16;
using Float = System.Single;
namespace System.Windows.Media
{
sealed partial class ImageBrush : TileBrush
{
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
/// <summary>
/// Shadows inherited Clone() with a strongly typed
/// version for convenience.
/// </summary>
public new ImageBrush Clone()
{
return (ImageBrush)base.Clone();
}
/// <summary>
/// Shadows inherited CloneCurrentValue() with a strongly typed
/// version for convenience.
/// </summary>
public new ImageBrush CloneCurrentValue()
{
return (ImageBrush)base.CloneCurrentValue();
}
#endregion Public Methods
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
private static void ImageSourcePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// The first change to the default value of a mutable collection property (e.g. GeometryGroup.Children)
// will promote the property value from a default value to a local value. This is technically a sub-property
// change because the collection was changed and not a new collection set (GeometryGroup.Children.
// Add versus GeometryGroup.Children = myNewChildrenCollection). However, we never marshalled
// the default value to the compositor. If the property changes from a default value, the new local value
// needs to be marshalled to the compositor. We detect this scenario with the second condition
// e.OldValueSource != e.NewValueSource. Specifically in this scenario the OldValueSource will be
// Default and the NewValueSource will be Local.
if (e.IsASubPropertyChange &&
(e.OldValueSource == e.NewValueSource))
{
return;
}
ImageBrush target = ((ImageBrush) d);
ImageSource oldV = (ImageSource) e.OldValue;
ImageSource newV = (ImageSource) 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(ImageSourceProperty);
}
#region Public Properties
/// <summary>
/// ImageSource - ImageSource. Default value is null.
/// </summary>
public ImageSource ImageSource
{
get
{
return (ImageSource) GetValue(ImageSourceProperty);
}
set
{
SetValueInternal(ImageSourceProperty, 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 ImageBrush();
}
#endregion ProtectedMethods
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
/// <SecurityNote>
/// Critical: This code calls into an unsafe code block
/// TreatAsSafe: This code does not return any critical data.It is ok to expose
/// Channels are safe to call into and do not go cross domain and cross process
/// </SecurityNote>
[SecurityCritical,SecurityTreatAsSafe]
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;
ImageSource vImageSource = ImageSource;
// 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);
}
DUCE.ResourceHandle hImageSource = vImageSource != null ? ((DUCE.IResource)vImageSource).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_IMAGEBRUSH data;
unsafe
{
data.Type = MILCMD.MilCmdImageBrush;
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.hImageSource = hImageSource;
// Send packed command structure
channel.SendCommand(
(byte*)&data,
sizeof(DUCE.MILCMD_IMAGEBRUSH));
}
}
}
internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel)
{
if (_duceResource.CreateOrAddRefOnChannel(this, channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_IMAGEBRUSH))
{
Transform vTransform = Transform;
if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel);
Transform vRelativeTransform = RelativeTransform;
if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).AddRefOnChannel(channel);
ImageSource vImageSource = ImageSource;
if (vImageSource != null) ((DUCE.IResource)vImageSource).AddRefOnChannel(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);
ImageSource vImageSource = ImageSource;
if (vImageSource != null) ((DUCE.IResource)vImageSource).ReleaseOnChannel(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:
// ImageSource
//
internal override int EffectiveValuesInitialSize
{
get
{
return 1;
}
}
#endregion Internal Properties
//------------------------------------------------------
//
// Dependency Properties
//
//------------------------------------------------------
#region Dependency Properties
/// <summary>
/// The DependencyProperty for the ImageBrush.ImageSource property.
/// </summary>
public static readonly DependencyProperty ImageSourceProperty;
#endregion Dependency Properties
//------------------------------------------------------
//
// Internal Fields
//
//------------------------------------------------------
#region Internal Fields
internal System.Windows.Media.Composition.DUCE.MultiChannelResource _duceResource = new System.Windows.Media.Composition.DUCE.MultiChannelResource();
#endregion Internal Fields
#region Constructors
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
static ImageBrush()
{
// 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. (Windows OS Bug #947272)
//
// Initializations
Type typeofThis = typeof(ImageBrush);
ImageSourceProperty =
RegisterProperty("ImageSource",
typeof(ImageSource),
typeofThis,
null,
new PropertyChangedCallback(ImageSourcePropertyChanged),
null,
/* isIndependentlyAnimated = */ false,
/* coerceValueCallback */ null);
}
#endregion Constructors
}
}
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