BitmapCache.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Generated / BitmapCache.cs / 1305600 / BitmapCache.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 BitmapCache : CacheMode
    { 
        //----------------------------------------------------- 
        //
        //  Public Methods 
        //
        //-----------------------------------------------------

        #region Public Methods 

        ///  
        ///     Shadows inherited Clone() with a strongly typed 
        ///     version for convenience.
        ///  
        public new BitmapCache Clone()
        {
            return (BitmapCache)base.Clone();
        } 

        ///  
        ///     Shadows inherited CloneCurrentValue() with a strongly typed 
        ///     version for convenience.
        ///  
        public new BitmapCache CloneCurrentValue()
        {
            return (BitmapCache)base.CloneCurrentValue();
        } 

 
 

        #endregion Public Methods 

        //------------------------------------------------------
        //
        //  Public Properties 
        //
        //----------------------------------------------------- 
 
        private static void RenderAtScalePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        { 
            BitmapCache target = ((BitmapCache) d);


            target.PropertyChanged(RenderAtScaleProperty); 
        }
        private static void SnapsToDevicePixelsPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        { 
            BitmapCache target = ((BitmapCache) d);
 

            target.PropertyChanged(SnapsToDevicePixelsProperty);
        }
        private static void EnableClearTypePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) 
        {
            BitmapCache target = ((BitmapCache) d); 
 

            target.PropertyChanged(EnableClearTypeProperty); 
        }


        #region Public Properties 

        ///  
        ///     RenderAtScale - double.  Default value is 1.0. 
        /// 
        public double RenderAtScale 
        {
            get
            {
                return (double) GetValue(RenderAtScaleProperty); 
            }
            set 
            { 
                SetValueInternal(RenderAtScaleProperty, value);
            } 
        }

        /// 
        ///     SnapsToDevicePixels - bool.  Default value is false. 
        /// 
        public bool SnapsToDevicePixels 
        { 
            get
            { 
                return (bool) GetValue(SnapsToDevicePixelsProperty);
            }
            set
            { 
                SetValueInternal(SnapsToDevicePixelsProperty, BooleanBoxes.Box(value));
            } 
        } 

        ///  
        ///     EnableClearType - bool.  Default value is false.
        /// 
        public bool EnableClearType
        { 
            get
            { 
                return (bool) GetValue(EnableClearTypeProperty); 
            }
            set 
            {
                SetValueInternal(EnableClearTypeProperty, BooleanBoxes.Box(value));
            }
        } 

        #endregion Public Properties 
 
        //------------------------------------------------------
        // 
        //  Protected Methods
        //
        //------------------------------------------------------
 
        #region Protected Methods
 
        ///  
        /// Implementation of Freezable.CreateInstanceCore.
        ///  
        /// The new Freezable.
        protected override Freezable CreateInstanceCore()
        {
            return new BitmapCache(); 
        }
 
 

        #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);
 
                // Obtain handles for animated properties 
                DUCE.ResourceHandle hRenderAtScaleAnimations = GetAnimationResourceHandle(RenderAtScaleProperty, channel);
 
                // Pack & send command packet
                DUCE.MILCMD_BITMAPCACHE data;
                unsafe
                { 
                    data.Type = MILCMD.MilCmdBitmapCache;
                    data.Handle = _duceResource.GetHandle(channel); 
                    if (hRenderAtScaleAnimations.IsNull) 
                    {
                        data.RenderAtScale = RenderAtScale; 
                    }
                    data.hRenderAtScaleAnimations = hRenderAtScaleAnimations;
                    data.SnapsToDevicePixels = CompositionResourceManager.BooleanToUInt32(SnapsToDevicePixels);
                    data.EnableClearType = CompositionResourceManager.BooleanToUInt32(EnableClearType); 

                    // Send packed command structure 
                    channel.SendCommand( 
                        (byte*)&data,
                        sizeof(DUCE.MILCMD_BITMAPCACHE)); 
                }
            }
        }
        internal override DUCE.ResourceHandle AddRefOnChannelCore(DUCE.Channel channel) 
        {
 
                if (_duceResource.CreateOrAddRefOnChannel(this, channel, System.Windows.Media.Composition.DUCE.ResourceType.TYPE_BITMAPCACHE)) 
                {
 

                    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)) 
                {
 

                    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
 
 

 

        #endregion Internal Properties

        //----------------------------------------------------- 
        //
        //  Dependency Properties 
        // 
        //------------------------------------------------------
 
        #region Dependency Properties

        /// 
        ///     The DependencyProperty for the BitmapCache.RenderAtScale property. 
        /// 
        public static readonly DependencyProperty RenderAtScaleProperty; 
        ///  
        ///     The DependencyProperty for the BitmapCache.SnapsToDevicePixels property.
        ///  
        public static readonly DependencyProperty SnapsToDevicePixelsProperty;
        /// 
        ///     The DependencyProperty for the BitmapCache.EnableClearType property.
        ///  
        public static readonly DependencyProperty EnableClearTypeProperty;
 
        #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_RenderAtScale = 1.0;
        internal const bool c_SnapsToDevicePixels = false; 
        internal const bool c_EnableClearType = false;
 
        #endregion Internal Fields 

 

        #region Constructors

        //------------------------------------------------------ 
        //
        //  Constructors 
        // 
        //-----------------------------------------------------
 
        static BitmapCache()
        {
            // 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(BitmapCache);
            RenderAtScaleProperty =
                  RegisterProperty("RenderAtScale", 
                                   typeof(double),
                                   typeofThis, 
                                   1.0, 
                                   new PropertyChangedCallback(RenderAtScalePropertyChanged),
                                   null, 
                                   /* isIndependentlyAnimated  = */ true,
                                   /* coerceValueCallback */ null);
            SnapsToDevicePixelsProperty =
                  RegisterProperty("SnapsToDevicePixels", 
                                   typeof(bool),
                                   typeofThis, 
                                   false, 
                                   new PropertyChangedCallback(SnapsToDevicePixelsPropertyChanged),
                                   null, 
                                   /* isIndependentlyAnimated  = */ false,
                                   /* coerceValueCallback */ null);
            EnableClearTypeProperty =
                  RegisterProperty("EnableClearType", 
                                   typeof(bool),
                                   typeofThis, 
                                   false, 
                                   new PropertyChangedCallback(EnableClearTypePropertyChanged),
                                   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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