// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
//
//
// This file was generated, please do not edit it directly.
//
// Please see MilCodeGen.html for more information.
//
 
using MS.Internal;
using MS.Internal.KnownBoxes;
using MS.Internal.Collections;
using MS.Utility;
using System.Collections;
using System.ComponentModel;
using System.Globalization;
using System.Text;
using System.Windows.Media.Effects;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition;
using System.Windows.Markup;
using System.Windows.Media.Converters;
 
namespace System.Windows.Media
{
    public sealed partial class DrawingBrush : TileBrush
    {
        //------------------------------------------------------
        //
        //  Public Methods
        //
        //------------------------------------------------------
 
        #region Public Methods
 
        /// <summary>
        ///     Shadows inherited Clone() with a strongly typed
        ///     version for convenience.
        /// </summary>
        public new DrawingBrush Clone()
        {
            return (DrawingBrush)base.Clone();
        }
 
        /// <summary>
        ///     Shadows inherited CloneCurrentValue() with a strongly typed
        ///     version for convenience.
        /// </summary>
        public new DrawingBrush CloneCurrentValue()
        {
            return (DrawingBrush)base.CloneCurrentValue();
        }
 
 
 
 
        #endregion Public Methods
 
        //------------------------------------------------------
        //
        //  Public Properties
        //
        //------------------------------------------------------
 
        private static void DrawingPropertyChanged(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;
            }
 
 
            DrawingBrush target = ((DrawingBrush) d);
 
 
            Drawing oldV = (Drawing) e.OldValue;
            Drawing newV = (Drawing) 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(DrawingProperty);
        }
 
 
        #region Public Properties
 
        /// <summary>
        ///     Drawing - Drawing.  Default value is null.
        /// </summary>
        public Drawing Drawing
        {
            get
            {
                return (Drawing)GetValue(DrawingProperty);
            }
            set
            {
                SetValueInternal(DrawingProperty, 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 DrawingBrush();
        }
 
 
 
        #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;
                Drawing vDrawing = Drawing;
 
                // 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 hDrawing = vDrawing != null ? ((DUCE.IResource)vDrawing).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_DRAWINGBRUSH data;
                unsafe
                {
                    data.Type = MILCMD.MilCmdDrawingBrush;
                    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.hDrawing = hDrawing;
 
                    // Send packed command structure
                    channel.SendCommand(
                        (byte*)&data,
                        sizeof(DUCE.MILCMD_DRAWINGBRUSH));
                }
            }
        }
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel)
        {
 
                if (_duceResource.CreateOrAddRefOnChannel(this, channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_DRAWINGBRUSH))
                {
                    Transform vTransform = Transform;
                    if (vTransform != null) ((DUCE.IResource)vTransform).AddRefOnChannel(channel);
                    Transform vRelativeTransform = RelativeTransform;
                    if (vRelativeTransform != null) ((DUCE.IResource)vRelativeTransform).AddRefOnChannel(channel);
                    Drawing vDrawing = Drawing;
                    if (vDrawing != null) ((DUCE.IResource)vDrawing).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);
                    Drawing vDrawing = Drawing;
                    if (vDrawing != null) ((DUCE.IResource)vDrawing).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:
        //    Drawing
        //
        internal override int EffectiveValuesInitialSize
        {
            get
            {
                return 1;
            }
        }
 
 
 
        #endregion Internal Properties
 
        //------------------------------------------------------
        //
        //  Dependency Properties
        //
        //------------------------------------------------------
 
        #region Dependency Properties
 
        /// <summary>
        ///     The DependencyProperty for the DrawingBrush.Drawing property.
        /// </summary>
        public static readonly DependencyProperty DrawingProperty;
 
        #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 DrawingBrush()
        {
            // 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(DrawingBrush);
            DrawingProperty =
                  RegisterProperty("Drawing",
                                   typeof(Drawing),
                                   typeofThis,
                                   null,
                                   new PropertyChangedCallback(DrawingPropertyChanged),
                                   null,
                                   /* isIndependentlyAnimated  = */ false,
                                   /* coerceValueCallback */ null);
        }
 
 
 
        #endregion Constructors
    }
}