Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Generated / ImageBrush.cs / 1305600 / ImageBrush.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // 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 ////// Shadows inherited Clone() with a strongly typed /// version for convenience. /// public new ImageBrush Clone() { return (ImageBrush)base.Clone(); } ////// Shadows inherited CloneCurrentValue() with a strongly typed /// version for convenience. /// 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 ////// ImageSource - ImageSource. Default value is null. /// public ImageSource ImageSource { get { return (ImageSource) GetValue(ImageSourceProperty); } set { SetValueInternal(ImageSourceProperty, value); } } #endregion Public Properties //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Protected Methods ////// Implementation of ///Freezable.CreateInstanceCore . ///The new Freezable. protected override Freezable CreateInstanceCore() { return new ImageBrush(); } #endregion ProtectedMethods //----------------------------------------------------- // // Internal Methods // //------------------------------------------------------ #region Internal Methods ////// 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 /// [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 ////// The DependencyProperty for the ImageBrush.ImageSource property. /// 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 } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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