Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media / Effects / BitmapEffectvisualstate.cs / 2 / 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
- WebPartEditorApplyVerb.cs
- FormsAuthenticationUserCollection.cs
- ProgressiveCrcCalculatingStream.cs
- ArcSegment.cs
- MDIWindowDialog.cs
- StatusStrip.cs
- XmlSchemaSet.cs
- ControlParameter.cs
- MetadataProperty.cs
- tibetanshape.cs
- Pkcs9Attribute.cs
- Viewport3DVisual.cs
- GacUtil.cs
- TouchesCapturedWithinProperty.cs
- TimeSpanConverter.cs
- TextBoxDesigner.cs
- Dump.cs
- InstancePersistenceCommand.cs
- EntityDataSourceEntityTypeFilterConverter.cs
- BlurBitmapEffect.cs
- BamlRecordHelper.cs
- GlyphingCache.cs
- InvalidPrinterException.cs
- CutCopyPasteHelper.cs
- ConditionedDesigner.cs
- DefaultValueTypeConverter.cs
- PageBuildProvider.cs
- JsonByteArrayDataContract.cs
- SqlNode.cs
- HtmlGenericControl.cs
- LocalFileSettingsProvider.cs
- BitmapEncoder.cs
- SmiMetaData.cs
- TagElement.cs
- PageAsyncTaskManager.cs
- _NtlmClient.cs
- EventDescriptor.cs
- FormViewUpdateEventArgs.cs
- CompoundFileStreamReference.cs
- ToolStripStatusLabel.cs
- BamlRecords.cs
- InstanceStoreQueryResult.cs
- MaterialGroup.cs
- KeyInterop.cs
- TextEffect.cs
- XPathParser.cs
- ResolveMatchesCD1.cs
- PreProcessor.cs
- CommandDesigner.cs
- DbTransaction.cs
- WebInvokeAttribute.cs
- ADMembershipUser.cs
- HostProtectionException.cs
- ExternalException.cs
- PageSetupDialog.cs
- SymbolTable.cs
- ServiceHttpModule.cs
- DataGrid.cs
- ToolStripGrip.cs
- FloaterBaseParagraph.cs
- CodeExpressionCollection.cs
- UnknownBitmapEncoder.cs
- SqlTypeSystemProvider.cs
- SafeThreadHandle.cs
- Tablet.cs
- WebServiceClientProxyGenerator.cs
- Tuple.cs
- BitmapData.cs
- ItemMap.cs
- TypeReference.cs
- WebBrowsableAttribute.cs
- TripleDESCryptoServiceProvider.cs
- InternalsVisibleToAttribute.cs
- DigitalSignatureProvider.cs
- Rect.cs
- TableSectionStyle.cs
- TransformerInfo.cs
- IDictionary.cs
- FrugalList.cs
- TreeNodeConverter.cs
- TreeViewAutomationPeer.cs
- PropertyToken.cs
- WsdlHelpGeneratorElement.cs
- X509CertificateTrustedIssuerElementCollection.cs
- RequestQueue.cs
- VScrollProperties.cs
- SimpleHandlerBuildProvider.cs
- AuthenticationModuleElement.cs
- __Filters.cs
- Dictionary.cs
- TextureBrush.cs
- FreezableDefaultValueFactory.cs
- ToolboxDataAttribute.cs
- HtmlSelect.cs
- GridItemPattern.cs
- DeviceFilterDictionary.cs
- EncoderExceptionFallback.cs
- DispatcherExceptionEventArgs.cs
- ClientTargetSection.cs
- basenumberconverter.cs