Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / Media / Generated / Pen.cs / 1 / Pen.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 Pen : Animatable, DUCE.IResource { //----------------------------------------------------- // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Shadows inherited Clone() with a strongly typed /// version for convenience. /// public new Pen Clone() { return (Pen)base.Clone(); } ////// Shadows inherited CloneCurrentValue() with a strongly typed /// version for convenience. /// public new Pen CloneCurrentValue() { return (Pen)base.CloneCurrentValue(); } #endregion Public Methods //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- private static void BrushPropertyChanged(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; } Pen target = ((Pen) d); Brush oldV = (Brush) e.OldValue; Brush newV = (Brush) 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(BrushProperty); } private static void ThicknessPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(ThicknessProperty); } private static void StartLineCapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(StartLineCapProperty); } private static void EndLineCapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(EndLineCapProperty); } private static void DashCapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(DashCapProperty); } private static void LineJoinPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(LineJoinProperty); } private static void MiterLimitPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(MiterLimitProperty); } private static void DashStylePropertyChanged(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; } Pen target = ((Pen) d); DashStyle oldV = (DashStyle) e.OldValue; DashStyle newV = (DashStyle) 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(DashStyleProperty); } #region Public Properties ////// Brush - Brush. Default value is null. /// public Brush Brush { get { return (Brush) GetValue(BrushProperty); } set { SetValueInternal(BrushProperty, value); } } ////// Thickness - double. Default value is 1.0. /// public double Thickness { get { return (double) GetValue(ThicknessProperty); } set { SetValueInternal(ThicknessProperty, value); } } ////// StartLineCap - PenLineCap. Default value is PenLineCap.Flat. /// public PenLineCap StartLineCap { get { return (PenLineCap) GetValue(StartLineCapProperty); } set { SetValueInternal(StartLineCapProperty, value); } } ////// EndLineCap - PenLineCap. Default value is PenLineCap.Flat. /// public PenLineCap EndLineCap { get { return (PenLineCap) GetValue(EndLineCapProperty); } set { SetValueInternal(EndLineCapProperty, value); } } ////// DashCap - PenLineCap. Default value is PenLineCap.Square. /// public PenLineCap DashCap { get { return (PenLineCap) GetValue(DashCapProperty); } set { SetValueInternal(DashCapProperty, value); } } ////// LineJoin - PenLineJoin. Default value is PenLineJoin.Miter. /// public PenLineJoin LineJoin { get { return (PenLineJoin) GetValue(LineJoinProperty); } set { SetValueInternal(LineJoinProperty, value); } } ////// MiterLimit - double. Default value is 10.0. /// public double MiterLimit { get { return (double) GetValue(MiterLimitProperty); } set { SetValueInternal(MiterLimitProperty, value); } } ////// DashStyle - DashStyle. Default value is DashStyles.Solid. /// public DashStyle DashStyle { get { return (DashStyle) GetValue(DashStyleProperty); } set { SetValueInternal(DashStyleProperty, value); } } #endregion Public Properties //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Protected Methods ////// Implementation of ///Freezable.CreateInstanceCore . ///The new Freezable. protected override Freezable CreateInstanceCore() { return new Pen(); } #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 Brush vBrush = Brush; DashStyle vDashStyle = DashStyle; // Obtain handles for properties that implement DUCE.IResource DUCE.ResourceHandle hBrush = vBrush != null ? ((DUCE.IResource)vBrush).GetHandle(channel) : DUCE.ResourceHandle.Null; DUCE.ResourceHandle hDashStyle = vDashStyle != null ? ((DUCE.IResource)vDashStyle).GetHandle(channel) : DUCE.ResourceHandle.Null; // Obtain handles for animated properties DUCE.ResourceHandle hThicknessAnimations = GetAnimationResourceHandle(ThicknessProperty, channel); // Pack & send command packet DUCE.MILCMD_PEN data; unsafe { data.Type = MILCMD.MilCmdPen; data.Handle = _duceResource.GetHandle(channel); data.hBrush = hBrush; if (hThicknessAnimations.IsNull) { data.Thickness = Thickness; } data.hThicknessAnimations = hThicknessAnimations; data.StartLineCap = StartLineCap; data.EndLineCap = EndLineCap; data.DashCap = DashCap; data.LineJoin = LineJoin; data.MiterLimit = MiterLimit; data.hDashStyle = hDashStyle; // Send packed command structure channel.SendCommand( (byte*)&data, sizeof(DUCE.MILCMD_PEN)); } } } DUCE.ResourceHandle DUCE.IResource.AddRefOnChannel(DUCE.Channel channel) { using (CompositionEngineLock.Acquire()) { if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_PEN)) { Brush vBrush = Brush; if (vBrush != null) ((DUCE.IResource)vBrush).AddRefOnChannel(channel); DashStyle vDashStyle = DashStyle; if (vDashStyle != null) ((DUCE.IResource)vDashStyle).AddRefOnChannel(channel); AddRefOnChannelAnimations(channel); UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ ); } return _duceResource.GetHandle(channel); } } void DUCE.IResource.ReleaseOnChannel(DUCE.Channel channel) { using (CompositionEngineLock.Acquire()) { Debug.Assert(_duceResource.IsOnChannel(channel)); if (_duceResource.ReleaseOnChannel(channel)) { Brush vBrush = Brush; if (vBrush != null) ((DUCE.IResource)vBrush).ReleaseOnChannel(channel); DashStyle vDashStyle = DashStyle; if (vDashStyle != null) ((DUCE.IResource)vDashStyle).ReleaseOnChannel(channel); ReleaseOnChannelAnimations(channel); } } } DUCE.ResourceHandle DUCE.IResource.GetHandle(DUCE.Channel channel) { DUCE.ResourceHandle h; // Reconsider the need for this lock when removing the MultiChannelResource. using (CompositionEngineLock.Acquire()) { h = _duceResource.GetHandle(channel); } return h; } int DUCE.IResource.GetChannelCount() { // must already be in composition lock here return _duceResource.GetChannelCount(); } DUCE.Channel DUCE.IResource.GetChannel(int index) { // in a lock already return _duceResource.GetChannel(index); } #endregion Internal Methods //----------------------------------------------------- // // Internal Properties // //----------------------------------------------------- #region Internal Properties #endregion Internal Properties //----------------------------------------------------- // // Dependency Properties // //------------------------------------------------------ #region Dependency Properties ////// The DependencyProperty for the Pen.Brush property. /// public static readonly DependencyProperty BrushProperty; ////// The DependencyProperty for the Pen.Thickness property. /// public static readonly DependencyProperty ThicknessProperty; ////// The DependencyProperty for the Pen.StartLineCap property. /// public static readonly DependencyProperty StartLineCapProperty; ////// The DependencyProperty for the Pen.EndLineCap property. /// public static readonly DependencyProperty EndLineCapProperty; ////// The DependencyProperty for the Pen.DashCap property. /// public static readonly DependencyProperty DashCapProperty; ////// The DependencyProperty for the Pen.LineJoin property. /// public static readonly DependencyProperty LineJoinProperty; ////// The DependencyProperty for the Pen.MiterLimit property. /// public static readonly DependencyProperty MiterLimitProperty; ////// The DependencyProperty for the Pen.DashStyle property. /// public static readonly DependencyProperty DashStyleProperty; #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 double c_Thickness = 1.0; internal const PenLineCap c_StartLineCap = PenLineCap.Flat; internal const PenLineCap c_EndLineCap = PenLineCap.Flat; internal const PenLineCap c_DashCap = PenLineCap.Square; internal const PenLineJoin c_LineJoin = PenLineJoin.Miter; internal const double c_MiterLimit = 10.0; internal static DashStyle s_DashStyle = DashStyles.Solid; #endregion Internal Fields #region Constructors //------------------------------------------------------ // // Constructors // //----------------------------------------------------- static Pen() { // 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) // Debug.Assert(s_DashStyle == null || s_DashStyle.IsFrozen, "Detected context bound default value Pen.s_DashStyle (See OS Bug #947272)."); // Initializations Type typeofThis = typeof(Pen); BrushProperty = RegisterProperty("Brush", typeof(Brush), typeofThis, null, new PropertyChangedCallback(BrushPropertyChanged), null, /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); ThicknessProperty = RegisterProperty("Thickness", typeof(double), typeofThis, 1.0, new PropertyChangedCallback(ThicknessPropertyChanged), null, /* isIndependentlyAnimated = */ true, /* coerceValueCallback */ null); StartLineCapProperty = RegisterProperty("StartLineCap", typeof(PenLineCap), typeofThis, PenLineCap.Flat, new PropertyChangedCallback(StartLineCapPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineCapValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); EndLineCapProperty = RegisterProperty("EndLineCap", typeof(PenLineCap), typeofThis, PenLineCap.Flat, new PropertyChangedCallback(EndLineCapPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineCapValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); DashCapProperty = RegisterProperty("DashCap", typeof(PenLineCap), typeofThis, PenLineCap.Square, new PropertyChangedCallback(DashCapPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineCapValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); LineJoinProperty = RegisterProperty("LineJoin", typeof(PenLineJoin), typeofThis, PenLineJoin.Miter, new PropertyChangedCallback(LineJoinPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineJoinValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); MiterLimitProperty = RegisterProperty("MiterLimit", typeof(double), typeofThis, 10.0, new PropertyChangedCallback(MiterLimitPropertyChanged), null, /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); DashStyleProperty = RegisterProperty("DashStyle", typeof(DashStyle), typeofThis, DashStyles.Solid, new PropertyChangedCallback(DashStylePropertyChanged), 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. //---------------------------------------------------------------------------- // //// 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 Pen : Animatable, DUCE.IResource { //----------------------------------------------------- // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Shadows inherited Clone() with a strongly typed /// version for convenience. /// public new Pen Clone() { return (Pen)base.Clone(); } ////// Shadows inherited CloneCurrentValue() with a strongly typed /// version for convenience. /// public new Pen CloneCurrentValue() { return (Pen)base.CloneCurrentValue(); } #endregion Public Methods //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- private static void BrushPropertyChanged(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; } Pen target = ((Pen) d); Brush oldV = (Brush) e.OldValue; Brush newV = (Brush) 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(BrushProperty); } private static void ThicknessPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(ThicknessProperty); } private static void StartLineCapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(StartLineCapProperty); } private static void EndLineCapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(EndLineCapProperty); } private static void DashCapPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(DashCapProperty); } private static void LineJoinPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(LineJoinProperty); } private static void MiterLimitPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { Pen target = ((Pen) d); target.PropertyChanged(MiterLimitProperty); } private static void DashStylePropertyChanged(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; } Pen target = ((Pen) d); DashStyle oldV = (DashStyle) e.OldValue; DashStyle newV = (DashStyle) 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(DashStyleProperty); } #region Public Properties ////// Brush - Brush. Default value is null. /// public Brush Brush { get { return (Brush) GetValue(BrushProperty); } set { SetValueInternal(BrushProperty, value); } } ////// Thickness - double. Default value is 1.0. /// public double Thickness { get { return (double) GetValue(ThicknessProperty); } set { SetValueInternal(ThicknessProperty, value); } } ////// StartLineCap - PenLineCap. Default value is PenLineCap.Flat. /// public PenLineCap StartLineCap { get { return (PenLineCap) GetValue(StartLineCapProperty); } set { SetValueInternal(StartLineCapProperty, value); } } ////// EndLineCap - PenLineCap. Default value is PenLineCap.Flat. /// public PenLineCap EndLineCap { get { return (PenLineCap) GetValue(EndLineCapProperty); } set { SetValueInternal(EndLineCapProperty, value); } } ////// DashCap - PenLineCap. Default value is PenLineCap.Square. /// public PenLineCap DashCap { get { return (PenLineCap) GetValue(DashCapProperty); } set { SetValueInternal(DashCapProperty, value); } } ////// LineJoin - PenLineJoin. Default value is PenLineJoin.Miter. /// public PenLineJoin LineJoin { get { return (PenLineJoin) GetValue(LineJoinProperty); } set { SetValueInternal(LineJoinProperty, value); } } ////// MiterLimit - double. Default value is 10.0. /// public double MiterLimit { get { return (double) GetValue(MiterLimitProperty); } set { SetValueInternal(MiterLimitProperty, value); } } ////// DashStyle - DashStyle. Default value is DashStyles.Solid. /// public DashStyle DashStyle { get { return (DashStyle) GetValue(DashStyleProperty); } set { SetValueInternal(DashStyleProperty, value); } } #endregion Public Properties //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Protected Methods ////// Implementation of ///Freezable.CreateInstanceCore . ///The new Freezable. protected override Freezable CreateInstanceCore() { return new Pen(); } #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 Brush vBrush = Brush; DashStyle vDashStyle = DashStyle; // Obtain handles for properties that implement DUCE.IResource DUCE.ResourceHandle hBrush = vBrush != null ? ((DUCE.IResource)vBrush).GetHandle(channel) : DUCE.ResourceHandle.Null; DUCE.ResourceHandle hDashStyle = vDashStyle != null ? ((DUCE.IResource)vDashStyle).GetHandle(channel) : DUCE.ResourceHandle.Null; // Obtain handles for animated properties DUCE.ResourceHandle hThicknessAnimations = GetAnimationResourceHandle(ThicknessProperty, channel); // Pack & send command packet DUCE.MILCMD_PEN data; unsafe { data.Type = MILCMD.MilCmdPen; data.Handle = _duceResource.GetHandle(channel); data.hBrush = hBrush; if (hThicknessAnimations.IsNull) { data.Thickness = Thickness; } data.hThicknessAnimations = hThicknessAnimations; data.StartLineCap = StartLineCap; data.EndLineCap = EndLineCap; data.DashCap = DashCap; data.LineJoin = LineJoin; data.MiterLimit = MiterLimit; data.hDashStyle = hDashStyle; // Send packed command structure channel.SendCommand( (byte*)&data, sizeof(DUCE.MILCMD_PEN)); } } } DUCE.ResourceHandle DUCE.IResource.AddRefOnChannel(DUCE.Channel channel) { using (CompositionEngineLock.Acquire()) { if (_duceResource.CreateOrAddRefOnChannel(channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_PEN)) { Brush vBrush = Brush; if (vBrush != null) ((DUCE.IResource)vBrush).AddRefOnChannel(channel); DashStyle vDashStyle = DashStyle; if (vDashStyle != null) ((DUCE.IResource)vDashStyle).AddRefOnChannel(channel); AddRefOnChannelAnimations(channel); UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ ); } return _duceResource.GetHandle(channel); } } void DUCE.IResource.ReleaseOnChannel(DUCE.Channel channel) { using (CompositionEngineLock.Acquire()) { Debug.Assert(_duceResource.IsOnChannel(channel)); if (_duceResource.ReleaseOnChannel(channel)) { Brush vBrush = Brush; if (vBrush != null) ((DUCE.IResource)vBrush).ReleaseOnChannel(channel); DashStyle vDashStyle = DashStyle; if (vDashStyle != null) ((DUCE.IResource)vDashStyle).ReleaseOnChannel(channel); ReleaseOnChannelAnimations(channel); } } } DUCE.ResourceHandle DUCE.IResource.GetHandle(DUCE.Channel channel) { DUCE.ResourceHandle h; // Reconsider the need for this lock when removing the MultiChannelResource. using (CompositionEngineLock.Acquire()) { h = _duceResource.GetHandle(channel); } return h; } int DUCE.IResource.GetChannelCount() { // must already be in composition lock here return _duceResource.GetChannelCount(); } DUCE.Channel DUCE.IResource.GetChannel(int index) { // in a lock already return _duceResource.GetChannel(index); } #endregion Internal Methods //----------------------------------------------------- // // Internal Properties // //----------------------------------------------------- #region Internal Properties #endregion Internal Properties //----------------------------------------------------- // // Dependency Properties // //------------------------------------------------------ #region Dependency Properties ////// The DependencyProperty for the Pen.Brush property. /// public static readonly DependencyProperty BrushProperty; ////// The DependencyProperty for the Pen.Thickness property. /// public static readonly DependencyProperty ThicknessProperty; ////// The DependencyProperty for the Pen.StartLineCap property. /// public static readonly DependencyProperty StartLineCapProperty; ////// The DependencyProperty for the Pen.EndLineCap property. /// public static readonly DependencyProperty EndLineCapProperty; ////// The DependencyProperty for the Pen.DashCap property. /// public static readonly DependencyProperty DashCapProperty; ////// The DependencyProperty for the Pen.LineJoin property. /// public static readonly DependencyProperty LineJoinProperty; ////// The DependencyProperty for the Pen.MiterLimit property. /// public static readonly DependencyProperty MiterLimitProperty; ////// The DependencyProperty for the Pen.DashStyle property. /// public static readonly DependencyProperty DashStyleProperty; #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 double c_Thickness = 1.0; internal const PenLineCap c_StartLineCap = PenLineCap.Flat; internal const PenLineCap c_EndLineCap = PenLineCap.Flat; internal const PenLineCap c_DashCap = PenLineCap.Square; internal const PenLineJoin c_LineJoin = PenLineJoin.Miter; internal const double c_MiterLimit = 10.0; internal static DashStyle s_DashStyle = DashStyles.Solid; #endregion Internal Fields #region Constructors //------------------------------------------------------ // // Constructors // //----------------------------------------------------- static Pen() { // 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) // Debug.Assert(s_DashStyle == null || s_DashStyle.IsFrozen, "Detected context bound default value Pen.s_DashStyle (See OS Bug #947272)."); // Initializations Type typeofThis = typeof(Pen); BrushProperty = RegisterProperty("Brush", typeof(Brush), typeofThis, null, new PropertyChangedCallback(BrushPropertyChanged), null, /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); ThicknessProperty = RegisterProperty("Thickness", typeof(double), typeofThis, 1.0, new PropertyChangedCallback(ThicknessPropertyChanged), null, /* isIndependentlyAnimated = */ true, /* coerceValueCallback */ null); StartLineCapProperty = RegisterProperty("StartLineCap", typeof(PenLineCap), typeofThis, PenLineCap.Flat, new PropertyChangedCallback(StartLineCapPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineCapValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); EndLineCapProperty = RegisterProperty("EndLineCap", typeof(PenLineCap), typeofThis, PenLineCap.Flat, new PropertyChangedCallback(EndLineCapPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineCapValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); DashCapProperty = RegisterProperty("DashCap", typeof(PenLineCap), typeofThis, PenLineCap.Square, new PropertyChangedCallback(DashCapPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineCapValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); LineJoinProperty = RegisterProperty("LineJoin", typeof(PenLineJoin), typeofThis, PenLineJoin.Miter, new PropertyChangedCallback(LineJoinPropertyChanged), new ValidateValueCallback(System.Windows.Media.ValidateEnums.IsPenLineJoinValid), /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); MiterLimitProperty = RegisterProperty("MiterLimit", typeof(double), typeofThis, 10.0, new PropertyChangedCallback(MiterLimitPropertyChanged), null, /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); DashStyleProperty = RegisterProperty("DashStyle", typeof(DashStyle), typeofThis, DashStyles.Solid, new PropertyChangedCallback(DashStylePropertyChanged), null, /* isIndependentlyAnimated = */ false, /* coerceValueCallback */ null); } #endregion Constructors } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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