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 / Effects / BitmapEffectvisualstate.cs / 1 / BitmapEffectvisualstate.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2005 // // File: BitmapEffectVisualState.cs //----------------------------------------------------------------------------- using System; using System.Windows.Threading; using MS.Win32; using System.Security; using System.Security.Permissions; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Media.Composition; using System.Windows.Media.Imaging; using System.Diagnostics; using System.Collections; using System.Collections.Generic; using MS.Internal; using System.Resources; using MS.Utility; using System.Runtime.InteropServices; using MS.Internal.PresentationCore; using SR = MS.Internal.PresentationCore.SR; using SRID = MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Effects { ////// This class is used to realize the content of the /// visual if a bitmap effect is applied to it /// internal class BitmapEffectContent : IRealizationContextClient { Visual _visual; DUCE.Channel _channel; public BitmapEffectContent(Visual v, RealizationContext ctx) { _visual = v; _channel = ctx.Channel; } public void ExecuteRealizationsUpdate() { Visual.BitmapEffectStateField.GetValue(_visual).RenderBitmapEffect(_visual, _channel); } } ////// /// internal class BitmapEffectVisualState : BitmapEffectState { public BitmapEffectVisualState() { } public BitmapEffectDrawing BitmapEffectDrawing { get { if (_bitmapEffectDrawing == null) { _bitmapEffectDrawing = new BitmapEffectDrawing(); } return _bitmapEffectDrawing; } set { _bitmapEffectDrawing = null; } } ////// Remove the content from the composition node /// /// /// internal void FreeContent(Visual visual, DUCE.Channel channel) { SetContent(null, visual, channel); _bitmapEffectDrawing = null; } ////// This sets the content of the visual if there is a /// bitmap effect applied to it /// /// drawing content /// The visual /// The channel internal void SetContent(IDrawingContent content, Visual visual, DUCE.Channel channel) { DUCE.ResourceHandle visualHandle = ((DUCE.IResource)visual).GetHandle(channel); if (content != null) { content.AddRefOnChannel(channel); DUCE.CompositionNode.SetContent( visualHandle, content.GetHandle(channel), channel); // it is ok to release here, because the unmanaged code // holds a reference to the content and will release it // when the parent object is released or the content // is reset to null content.ReleaseOnChannel(channel); } else { Debug.Assert(visual.IsOnChannel(channel)); DUCE.CompositionNode.SetContent( visualHandle, DUCE.ResourceHandle.Null, channel); } } ////// This methods renders the visual to a bitmap, then applies /// the effect to the rendered bitmap, and sets the content /// of the visual to be the resulting bitmap /// /// The visual to apply the effect to /// The current channels internal void RenderBitmapEffect(Visual visual, DUCE.Channel channel) { if (_bitmapEffect == null) throw new InvalidOperationException(SR.Get(SRID.Visual_No_Effect, null)); Debug.Assert(channel != null); BitmapEffectDrawing.UpdateTransformAndDrawingLists(true); bool effectRendered = false; int drawingsCount = BitmapEffectDrawing.Drawings.Count; for (int iTransform = BitmapEffectDrawing.WorldTransforms.Count - 1; iTransform >= drawingsCount; iTransform--) { Matrix finalTransform = BitmapEffectDrawing.WorldTransforms[iTransform].Value; BitmapSource outputImage = GetEffectOutput(visual, ref _renderBitmap, finalTransform, BitmapEffectDrawing.WindowClip, out finalTransform); if (outputImage != null) { // if there was no group for that transform create one // and update it, otherwise we don't need to do anything it // NOTE: this is ok to update here since it is not // connected to the visual tree DrawingGroup effectGroup = new DrawingGroup(); effectGroup.Children.Add( new ImageDrawing(outputImage, new Rect(0, 0, outputImage.Width, outputImage.Height))); effectGroup.Transform = new MatrixTransform(finalTransform); BitmapEffectDrawing.Drawings.Insert(drawingsCount, effectGroup); effectRendered = true; } else { BitmapEffectDrawing.WorldTransforms.RemoveAt(iTransform); } } if (BitmapEffectDrawing.Drawings.Count > 0 && effectRendered == true) { SetContent(BitmapEffectDrawing, visual, channel); } visual.SetFlags(channel, false, VisualProxyFlags.IsBitmapEffectDirty); BitmapEffectDrawing.ScheduleForUpdates = true; } #region Private Fields BitmapEffectDrawing _bitmapEffectDrawing; RenderTargetBitmap _renderBitmap; #endregion } ////// This class is used to store the user provided bitmap effect data on Visual. /// It is necessary to implement the emulation layer for some legacy effects on top /// of the new pipline. /// internal class BitmapEffectData { private BitmapEffect _bitmapEffect; private BitmapEffectInput _bitmapEffectInput; public BitmapEffectData() {} public BitmapEffect BitmapEffect { get { return _bitmapEffect; } set { _bitmapEffect = value; } } public BitmapEffectInput BitmapEffectInput { get { return _bitmapEffectInput; } set { _bitmapEffectInput = value; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation, 2005 // // File: BitmapEffectVisualState.cs //----------------------------------------------------------------------------- using System; using System.Windows.Threading; using MS.Win32; using System.Security; using System.Security.Permissions; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Media.Composition; using System.Windows.Media.Imaging; using System.Diagnostics; using System.Collections; using System.Collections.Generic; using MS.Internal; using System.Resources; using MS.Utility; using System.Runtime.InteropServices; using MS.Internal.PresentationCore; using SR = MS.Internal.PresentationCore.SR; using SRID = MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Effects { ////// This class is used to realize the content of the /// visual if a bitmap effect is applied to it /// internal class BitmapEffectContent : IRealizationContextClient { Visual _visual; DUCE.Channel _channel; public BitmapEffectContent(Visual v, RealizationContext ctx) { _visual = v; _channel = ctx.Channel; } public void ExecuteRealizationsUpdate() { Visual.BitmapEffectStateField.GetValue(_visual).RenderBitmapEffect(_visual, _channel); } } ////// /// internal class BitmapEffectVisualState : BitmapEffectState { public BitmapEffectVisualState() { } public BitmapEffectDrawing BitmapEffectDrawing { get { if (_bitmapEffectDrawing == null) { _bitmapEffectDrawing = new BitmapEffectDrawing(); } return _bitmapEffectDrawing; } set { _bitmapEffectDrawing = null; } } ////// Remove the content from the composition node /// /// /// internal void FreeContent(Visual visual, DUCE.Channel channel) { SetContent(null, visual, channel); _bitmapEffectDrawing = null; } ////// This sets the content of the visual if there is a /// bitmap effect applied to it /// /// drawing content /// The visual /// The channel internal void SetContent(IDrawingContent content, Visual visual, DUCE.Channel channel) { DUCE.ResourceHandle visualHandle = ((DUCE.IResource)visual).GetHandle(channel); if (content != null) { content.AddRefOnChannel(channel); DUCE.CompositionNode.SetContent( visualHandle, content.GetHandle(channel), channel); // it is ok to release here, because the unmanaged code // holds a reference to the content and will release it // when the parent object is released or the content // is reset to null content.ReleaseOnChannel(channel); } else { Debug.Assert(visual.IsOnChannel(channel)); DUCE.CompositionNode.SetContent( visualHandle, DUCE.ResourceHandle.Null, channel); } } ////// This methods renders the visual to a bitmap, then applies /// the effect to the rendered bitmap, and sets the content /// of the visual to be the resulting bitmap /// /// The visual to apply the effect to /// The current channels internal void RenderBitmapEffect(Visual visual, DUCE.Channel channel) { if (_bitmapEffect == null) throw new InvalidOperationException(SR.Get(SRID.Visual_No_Effect, null)); Debug.Assert(channel != null); BitmapEffectDrawing.UpdateTransformAndDrawingLists(true); bool effectRendered = false; int drawingsCount = BitmapEffectDrawing.Drawings.Count; for (int iTransform = BitmapEffectDrawing.WorldTransforms.Count - 1; iTransform >= drawingsCount; iTransform--) { Matrix finalTransform = BitmapEffectDrawing.WorldTransforms[iTransform].Value; BitmapSource outputImage = GetEffectOutput(visual, ref _renderBitmap, finalTransform, BitmapEffectDrawing.WindowClip, out finalTransform); if (outputImage != null) { // if there was no group for that transform create one // and update it, otherwise we don't need to do anything it // NOTE: this is ok to update here since it is not // connected to the visual tree DrawingGroup effectGroup = new DrawingGroup(); effectGroup.Children.Add( new ImageDrawing(outputImage, new Rect(0, 0, outputImage.Width, outputImage.Height))); effectGroup.Transform = new MatrixTransform(finalTransform); BitmapEffectDrawing.Drawings.Insert(drawingsCount, effectGroup); effectRendered = true; } else { BitmapEffectDrawing.WorldTransforms.RemoveAt(iTransform); } } if (BitmapEffectDrawing.Drawings.Count > 0 && effectRendered == true) { SetContent(BitmapEffectDrawing, visual, channel); } visual.SetFlags(channel, false, VisualProxyFlags.IsBitmapEffectDirty); BitmapEffectDrawing.ScheduleForUpdates = true; } #region Private Fields BitmapEffectDrawing _bitmapEffectDrawing; RenderTargetBitmap _renderBitmap; #endregion } ////// This class is used to store the user provided bitmap effect data on Visual. /// It is necessary to implement the emulation layer for some legacy effects on top /// of the new pipline. /// internal class BitmapEffectData { private BitmapEffect _bitmapEffect; private BitmapEffectInput _bitmapEffectInput; public BitmapEffectData() {} public BitmapEffect BitmapEffect { get { return _bitmapEffect; } set { _bitmapEffect = value; } } public BitmapEffectInput BitmapEffectInput { get { return _bitmapEffectInput; } set { _bitmapEffectInput = value; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- WorkflowEventArgs.cs
- ToolStripGripRenderEventArgs.cs
- DataMemberFieldConverter.cs
- ExtensionQuery.cs
- Transactions.cs
- GorillaCodec.cs
- ISAPIWorkerRequest.cs
- XmlResolver.cs
- CustomAttributeFormatException.cs
- LogSwitch.cs
- XmlLinkedNode.cs
- DataServiceQueryOfT.cs
- SignatureDescription.cs
- DataGridViewImageCell.cs
- HScrollProperties.cs
- StringStorage.cs
- OrderedDictionary.cs
- Span.cs
- XmlMapping.cs
- ResourceDescriptionAttribute.cs
- ConnectionInterfaceCollection.cs
- StylusPointPropertyInfo.cs
- BitSet.cs
- ClockController.cs
- AttachedPropertyBrowsableForTypeAttribute.cs
- XPathMessageFilterTable.cs
- GenericWebPart.cs
- SignalGate.cs
- IssuanceLicense.cs
- FastPropertyAccessor.cs
- SourceFileInfo.cs
- WindowHideOrCloseTracker.cs
- AutoGeneratedFieldProperties.cs
- XmlSerializerNamespaces.cs
- QilUnary.cs
- TraceFilter.cs
- WeakReferenceEnumerator.cs
- _Events.cs
- PageParser.cs
- ZipIOExtraField.cs
- SoapSchemaImporter.cs
- ConfigXmlComment.cs
- CodeTypeReferenceExpression.cs
- ToolStripSplitButton.cs
- SoapFault.cs
- _LocalDataStoreMgr.cs
- ResourceReferenceExpression.cs
- bidPrivateBase.cs
- SerializationObjectManager.cs
- RowToFieldTransformer.cs
- HScrollProperties.cs
- DataObjectPastingEventArgs.cs
- BufferedGraphics.cs
- LocatorBase.cs
- FontSizeConverter.cs
- PlanCompilerUtil.cs
- UpdateCommand.cs
- XLinq.cs
- StrongName.cs
- TreeViewEvent.cs
- VerifyHashRequest.cs
- AbstractDataSvcMapFileLoader.cs
- GorillaCodec.cs
- DateTimeConstantAttribute.cs
- TextEditorDragDrop.cs
- CommandHelper.cs
- TaskExceptionHolder.cs
- SendingRequestEventArgs.cs
- IIS7WorkerRequest.cs
- FontFamily.cs
- IdentitySection.cs
- OleDbConnectionInternal.cs
- HttpRuntimeSection.cs
- SqlWriter.cs
- ColorConvertedBitmapExtension.cs
- HttpHeaderCollection.cs
- ExpanderAutomationPeer.cs
- PropertyMetadata.cs
- CodeLinePragma.cs
- ToolStripLocationCancelEventArgs.cs
- PenContext.cs
- SoapConverter.cs
- AutomationElementCollection.cs
- SiteMapDataSourceView.cs
- DataGrid.cs
- ComboBoxItem.cs
- EtwTrace.cs
- HttpWriter.cs
- ListView.cs
- LinqDataView.cs
- ManagedWndProcTracker.cs
- TextEditorCopyPaste.cs
- SerializationSectionGroup.cs
- HtmlValidatorAdapter.cs
- Column.cs
- PageContent.cs
- TextLineBreak.cs
- XmlChoiceIdentifierAttribute.cs
- XmlAttribute.cs
- XmlLoader.cs