Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Print / Reach / Serialization / manager / ReachVisualSerializerAsync.cs / 1 / ReachVisualSerializerAsync.cs
/*++ Copyright (C) 2004- 2005 Microsoft Corporation All rights reserved. Module Name: ReachVisualSerializerAsync.cs Abstract: Author: [....] ([....]) 25-May-2005 Revision History: --*/ using System; using System.Collections; using System.Collections.Generic; using System.Collections.Specialized; using System.ComponentModel; using System.Diagnostics; using System.Reflection; using System.Xml; using System.IO; using System.Security; using System.Security.Permissions; using System.ComponentModel.Design.Serialization; using System.Windows.Xps.Packaging; using System.Windows.Documents; using System.Windows.Media; using System.Windows.Markup; namespace System.Windows.Xps.Serialization { ////// /// internal class ReachVisualSerializerAsync : ReachSerializerAsync { ////// /// public ReachVisualSerializerAsync( PackageSerializationManager manager ): base(manager) { } public override void AsyncOperation( ReachSerializerContext context ) { if(context == null) { } switch (context.Action) { case SerializerAction.serializeNextTreeNode: { ReachVisualSerializerContext thisContext = context as ReachVisualSerializerContext; if(thisContext != null) { SerializeNextTreeNode(thisContext); } break; } default: { base.AsyncOperation(context); break; } } } ////// /// public override void SerializeObject( object serializedObject ) { Visual v = serializedObject as Visual; if (v == null) { throw new ArgumentException(ReachSR.Get(ReachSRID.MustBeOfType, "serializedObject", typeof(Visual))); } XmlWriter pageWriter = ((XpsSerializationManagerAsync)SerializationManager). PackagingPolicy.AcquireXmlWriterForPage(); XmlWriter resWriter = ((XpsSerializationManagerAsync)SerializationManager). PackagingPolicy.AcquireXmlWriterForResourceDictionary(); SerializeTree(v, resWriter, pageWriter); } ////// /// internal override void SerializeObject( SerializablePropertyContext serializedProperty ) { // // Do nothing here. // We do not support serializing visuals that come in as // properties out of context of a FixedPage or a DocumentPage // } private void SerializeTree( Visual visual, XmlWriter resWriter, XmlWriter bodyWriter ) { Size fixedPageSize = ((XpsSerializationManager)SerializationManager).FixedPageSize; VisualTreeFlattener flattener = ((XpsSerializationManagerAsync)SerializationManager). VisualSerializationService.AcquireVisualTreeFlattener(resWriter, bodyWriter, fixedPageSize); if (flattener.StartVisual(visual)) { StackcontextStack = new Stack (); contextStack.Push(new NodeContext(visual)); ReachVisualSerializerContext context = new ReachVisualSerializerContext(this, contextStack, flattener, SerializerAction.serializeNextTreeNode); ((XpsSerializationManagerAsync)SerializationManager).OperationStack.Push(context); } } private void SerializeNextTreeNode( ReachVisualSerializerContext context ) { if(context.ContextStack.Count > 0) { Stack contextStack = context.ContextStack; VisualTreeFlattener flattener = context.VisualFlattener; ReachVisualSerializerContext nextContext = new ReachVisualSerializerContext(this, contextStack, flattener, SerializerAction.serializeNextTreeNode); ((XpsSerializationManagerAsync)SerializationManager).OperationStack.Push(nextContext); NodeContext ctx = contextStack.Peek(); Visual v = ctx.GetNextChild(); if (v != null) { if (flattener.StartVisual(v)) { contextStack.Push(new NodeContext(v)); } } else { contextStack.Pop(); flattener.EndVisual(); } } } /// /// /// internal override void PersistObjectData( SerializableObjectContext serializableObjectContext ) { // // Do nothing here // } ////// /// public override XmlWriter XmlWriter { get { if(base.XmlWriter == null) { base.XmlWriter = SerializationManager.AcquireXmlWriter(typeof(FixedPage)); } return base.XmlWriter; } set { base.XmlWriter = null; SerializationManager.ReleaseXmlWriter(typeof(FixedPage)); } } #region Internal Methods ////// /// internal bool SerializeDisguisedVisual( object serializedObject ) { Visual v = serializedObject as Visual; if (v == null) { throw new ArgumentException(ReachSR.Get(ReachSRID.MustBeOfType, "serializedObject", typeof(Visual))); } XmlWriter pageWriter = ((XpsSerializationManagerAsync)SerializationManager). PackagingPolicy.AcquireXmlWriterForPage(); XmlWriter resWriter = ((XpsSerializationManagerAsync)SerializationManager). PackagingPolicy.AcquireXmlWriterForResourceDictionary(); Size fixedPageSize = ((XpsSerializationManager)SerializationManager).FixedPageSize; VisualTreeFlattener flattener = ((XpsSerializationManagerAsync)SerializationManager). VisualSerializationService.AcquireVisualTreeFlattener(resWriter, pageWriter, fixedPageSize); return flattener.StartVisual(v); } #endregion Internal Methods }; internal class ReachVisualSerializerContext : ReachSerializerContext { public ReachVisualSerializerContext( ReachSerializerAsync serializer, StackcontextStack, VisualTreeFlattener flattener, SerializerAction action ): base(serializer,action) { this._contextStack = contextStack; this._flattener = flattener; } public Stack ContextStack { get { return _contextStack; } } public VisualTreeFlattener VisualFlattener { get { return _flattener; } } private Stack _contextStack; VisualTreeFlattener _flattener; }; } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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