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 / BitmapEffectDrawing.cs / 1 / BitmapEffectDrawing.cs
using System; using System.Diagnostics; using System.Collections.Generic; using MS.Internal; using MS.Internal.Collections; using MS.Internal.PresentationCore; using MS.Utility; using System.Windows; using System.Windows.Media; using System.Windows.Media.Composition; namespace System.Windows.Media.Effects { ////// This class is used by Bitmap Effects to marshal the world transforms /// and the corresponding realizations (bitmaps) for each world transform /// internal sealed partial class BitmapEffectDrawing : Drawing { #region Constructors ////// Default BitmapEffectDrawing constructor. /// Constructs an object with all properties set to their default values /// internal BitmapEffectDrawing() { } #endregion #region Internal methods ////// BitmapEffectDrawing should never have WalkCurrentValue called /// internal override void WalkCurrentValue(DrawingContextWalker ctx) { Debug.Assert(false); } ////// /// internal override void PrecomputeCore() { } ////// Add the transform if it is a new one and mark it for update /// internal override void UpdateRealizations(RealizationContext realizationContext) { Matrix transform = realizationContext.TransformStack.Peek(); if (realizationContext.BaseTransform.IsIdentity == false) { transform *= realizationContext.BaseTransform; } int index = ContainsTransform(transform); if (index == -1) { WorldTransforms.Add(new MatrixTransform(transform)); index = WorldTransforms.Count - 1; } _transformsToKeep.Add(index); _windowClip.Union(realizationContext.WindowClip); } ////// Given the transform, find the index of the corresponding effect drawing /// If there is none, return -1 /// /// ///internal int ContainsTransform(Matrix transform) { int count = Drawings.Count; TransformCollection worldTransforms = WorldTransforms; for (int i = 0; i < count; i++) { Matrix worldTransform = worldTransforms.Internal_GetItem(i).Value; if (worldTransform == transform) { return i; } } return -1; } /// /// Remove all transforms that are not marked to keep. /// If fRemoveDrawings is true, remove the drawings as well /// internal void UpdateTransformAndDrawingLists(bool fRemoveDrawings) { TransformCollection worldTransforms = WorldTransforms; DrawingCollection drawings = Drawings; for (int i = WorldTransforms.Count - 1; i >= 0; i--) { if (!_transformsToKeep.Contains(i)) { worldTransforms.RemoveAt(i); if (fRemoveDrawings) { drawings.RemoveAt(i); } } } _transformsToKeep.Clear(); } ////// Clear both the Drawings and Transform lists /// internal void Clear(DUCE.Channel channel) { TransformCollection vWorldTransforms = WorldTransforms; DrawingCollection vDrawings = Drawings; for (int j = vWorldTransforms.Count - 1; j >= 0; j--) { vWorldTransforms.Internal_GetItem(j).ReleaseOnChannelCore(channel); vDrawings.Internal_GetItem(j).ReleaseOnChannelCore(channel); } vDrawings._collection.Clear(); vWorldTransforms._collection.Clear(); } #endregion Internal methods #region Internal properties internal bool ScheduleForUpdates { get { return _scheduleForUpdates; } set { _scheduleForUpdates = value; } } ////// Gets the window clip /// internal Rect WindowClip { get { return _windowClip; } set { _windowClip = value; } } internal bool IsOnChannel { get { return _duceResource.IsOnAnyChannel; } } #endregion Internal properties #region Private Fields List_transformsToKeep = new List (); bool _scheduleForUpdates = true; Rect _windowClip = Rect.Empty; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. using System; using System.Diagnostics; using System.Collections.Generic; using MS.Internal; using MS.Internal.Collections; using MS.Internal.PresentationCore; using MS.Utility; using System.Windows; using System.Windows.Media; using System.Windows.Media.Composition; namespace System.Windows.Media.Effects { /// /// This class is used by Bitmap Effects to marshal the world transforms /// and the corresponding realizations (bitmaps) for each world transform /// internal sealed partial class BitmapEffectDrawing : Drawing { #region Constructors ////// Default BitmapEffectDrawing constructor. /// Constructs an object with all properties set to their default values /// internal BitmapEffectDrawing() { } #endregion #region Internal methods ////// BitmapEffectDrawing should never have WalkCurrentValue called /// internal override void WalkCurrentValue(DrawingContextWalker ctx) { Debug.Assert(false); } ////// /// internal override void PrecomputeCore() { } ////// Add the transform if it is a new one and mark it for update /// internal override void UpdateRealizations(RealizationContext realizationContext) { Matrix transform = realizationContext.TransformStack.Peek(); if (realizationContext.BaseTransform.IsIdentity == false) { transform *= realizationContext.BaseTransform; } int index = ContainsTransform(transform); if (index == -1) { WorldTransforms.Add(new MatrixTransform(transform)); index = WorldTransforms.Count - 1; } _transformsToKeep.Add(index); _windowClip.Union(realizationContext.WindowClip); } ////// Given the transform, find the index of the corresponding effect drawing /// If there is none, return -1 /// /// ///internal int ContainsTransform(Matrix transform) { int count = Drawings.Count; TransformCollection worldTransforms = WorldTransforms; for (int i = 0; i < count; i++) { Matrix worldTransform = worldTransforms.Internal_GetItem(i).Value; if (worldTransform == transform) { return i; } } return -1; } /// /// Remove all transforms that are not marked to keep. /// If fRemoveDrawings is true, remove the drawings as well /// internal void UpdateTransformAndDrawingLists(bool fRemoveDrawings) { TransformCollection worldTransforms = WorldTransforms; DrawingCollection drawings = Drawings; for (int i = WorldTransforms.Count - 1; i >= 0; i--) { if (!_transformsToKeep.Contains(i)) { worldTransforms.RemoveAt(i); if (fRemoveDrawings) { drawings.RemoveAt(i); } } } _transformsToKeep.Clear(); } ////// Clear both the Drawings and Transform lists /// internal void Clear(DUCE.Channel channel) { TransformCollection vWorldTransforms = WorldTransforms; DrawingCollection vDrawings = Drawings; for (int j = vWorldTransforms.Count - 1; j >= 0; j--) { vWorldTransforms.Internal_GetItem(j).ReleaseOnChannelCore(channel); vDrawings.Internal_GetItem(j).ReleaseOnChannelCore(channel); } vDrawings._collection.Clear(); vWorldTransforms._collection.Clear(); } #endregion Internal methods #region Internal properties internal bool ScheduleForUpdates { get { return _scheduleForUpdates; } set { _scheduleForUpdates = value; } } ////// Gets the window clip /// internal Rect WindowClip { get { return _windowClip; } set { _windowClip = value; } } internal bool IsOnChannel { get { return _duceResource.IsOnAnyChannel; } } #endregion Internal properties #region Private Fields List_transformsToKeep = new List (); bool _scheduleForUpdates = true; Rect _windowClip = Rect.Empty; #endregion } } // 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
- BindingUtils.cs
- QueryHandler.cs
- KeySplineConverter.cs
- TryCatchDesigner.xaml.cs
- DesignObjectWrapper.cs
- XPathMultyIterator.cs
- QueryReaderSettings.cs
- GridViewEditEventArgs.cs
- OneOfScalarConst.cs
- StateMachine.cs
- ExtractorMetadata.cs
- EpmTargetPathSegment.cs
- Point3DCollectionConverter.cs
- UIElement3D.cs
- Visual3D.cs
- XmlSchemaElement.cs
- Module.cs
- TdsEnums.cs
- SessionStateSection.cs
- AnimationClock.cs
- PersonalizableAttribute.cs
- SurrogateChar.cs
- TextCollapsingProperties.cs
- XmlBaseReader.cs
- ApplicationDirectoryMembershipCondition.cs
- CultureSpecificStringDictionary.cs
- PersonalizableTypeEntry.cs
- hebrewshape.cs
- DataSourceComponent.cs
- TextTrailingWordEllipsis.cs
- CompilationSection.cs
- DropTarget.cs
- XNodeNavigator.cs
- LabelLiteral.cs
- SiteMapDataSource.cs
- RegisteredExpandoAttribute.cs
- sqlinternaltransaction.cs
- XhtmlTextWriter.cs
- DelayLoadType.cs
- OutputCacheProfileCollection.cs
- MethodToken.cs
- ACE.cs
- OdbcParameter.cs
- NoPersistProperty.cs
- XmlSchemaInfo.cs
- Clock.cs
- remotingproxy.cs
- SHA1.cs
- DecimalSumAggregationOperator.cs
- HtmlUtf8RawTextWriter.cs
- PeerEndPoint.cs
- HttpModulesSection.cs
- Random.cs
- AdditionalEntityFunctions.cs
- InkSerializer.cs
- DbCommandDefinition.cs
- BCLDebug.cs
- HtmlElementErrorEventArgs.cs
- HelpInfo.cs
- EncodingTable.cs
- CodeNamespaceImportCollection.cs
- SHA512CryptoServiceProvider.cs
- RowBinding.cs
- DataGridViewTopRowAccessibleObject.cs
- SqlConnectionPoolProviderInfo.cs
- SafeSystemMetrics.cs
- GenericUriParser.cs
- Size.cs
- TextEditorContextMenu.cs
- TextServicesCompartment.cs
- XmlSubtreeReader.cs
- TrackingServices.cs
- cryptoapiTransform.cs
- CanonicalXml.cs
- StreamAsIStream.cs
- FixedSOMFixedBlock.cs
- SqlDeflator.cs
- WinFormsComponentEditor.cs
- XmlDataFileEditor.cs
- InstanceDescriptor.cs
- GradientBrush.cs
- SocketException.cs
- MulticastDelegate.cs
- WindowsTooltip.cs
- TimeoutTimer.cs
- NetSectionGroup.cs
- InvalidPipelineStoreException.cs
- TypeCollectionDesigner.xaml.cs
- CodeEventReferenceExpression.cs
- PanelStyle.cs
- AncestorChangedEventArgs.cs
- SmiEventSink_DeferedProcessing.cs
- Stroke2.cs
- URLMembershipCondition.cs
- TimeSpanOrInfiniteConverter.cs
- ReversePositionQuery.cs
- XmlRootAttribute.cs
- MulticastOption.cs
- DataFormats.cs
- TypeDelegator.cs