Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Imaging / BitmapFrameEncode.cs / 1305600 / BitmapFrameEncode.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation // // File: BitmapFrameEncode.cs // //----------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.ObjectModel; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using MS.Internal; using System.Diagnostics; using System.Windows.Media; using System.Globalization; using System.Security; using System.Security.Permissions; using System.Runtime.InteropServices; using System.Windows.Media.Animation; using System.Windows.Media.Composition; using System.Windows.Media.Imaging; using MS.Win32; namespace System.Windows.Media.Imaging { #region BitmapFrameEncode ////// BitmapFrameEncode abstract class /// internal sealed class BitmapFrameEncode : BitmapFrame { #region Constructors ////// Internal constructor /// ////// SecurityCritical: Accesses unmanaged resources (_wicSource) /// SecurityTreatAsSafe: Inputs are verified and _wicSource and the get is Critical /// [SecurityCritical, SecurityTreatAsSafe] internal BitmapFrameEncode( BitmapSource source, BitmapSource thumbnail, BitmapMetadata metadata, ReadOnlyCollectioncolorContexts ) : base(true) { _bitmapInit.BeginInit(); Debug.Assert(source != null); _source = source; WicSourceHandle = _source.WicSourceHandle; IsSourceCached = _source.IsSourceCached; _isColorCorrected = _source._isColorCorrected; _thumbnail = thumbnail; _readOnlycolorContexts = colorContexts; InternalMetadata = metadata; _syncObject = source.SyncObject; _bitmapInit.EndInit(); FinalizeCreation(); } /// /// Do not allow construction /// This will be called for cloning /// private BitmapFrameEncode() : base(true) { } #endregion #region IUriContext ////// Provides the base uri of the current context. /// public override Uri BaseUri { get { ReadPreamble(); return null; } set { WritePreamble(); } } #endregion #region Public Properties ////// Accesses the Thumbnail property for this BitmapFrameEncode /// public override BitmapSource Thumbnail { get { ReadPreamble(); return _thumbnail; } } ////// Accesses the Metadata property for this BitmapFrameEncode /// public override ImageMetadata Metadata { get { ReadPreamble(); return InternalMetadata; } } ////// Accesses the Decoder property for this BitmapFrameEncode /// public override BitmapDecoder Decoder { get { ReadPreamble(); return null; } } ////// Accesses the ColorContext property for this BitmapFrameEncode /// public override ReadOnlyCollectionColorContexts { get { ReadPreamble(); return _readOnlycolorContexts; } } #endregion #region Public Methods /// /// Create an in-place bitmap metadata writer. /// public override InPlaceBitmapMetadataWriter CreateInPlaceBitmapMetadataWriter() { ReadPreamble(); return null; } #endregion #region Freezable ////// Implementation of ///Freezable.CreateInstanceCore . ///The new Freezable. protected override Freezable CreateInstanceCore() { return new BitmapFrameEncode(); } ////// Copy the fields not covered by DPs. This is used by /// CloneCore(), CloneCurrentValueCore(), GetAsFrozenCore() and /// GetCurrentValueAsFrozenCore(). /// private void CopyCommon(BitmapFrameEncode sourceBitmapFrameEncode) { _bitmapInit.BeginInit(); Debug.Assert(sourceBitmapFrameEncode._source != null); _source = sourceBitmapFrameEncode._source; _thumbnail = sourceBitmapFrameEncode._thumbnail; _readOnlycolorContexts = sourceBitmapFrameEncode.ColorContexts; if (sourceBitmapFrameEncode.InternalMetadata != null) { InternalMetadata = sourceBitmapFrameEncode.InternalMetadata.Clone(); } _bitmapInit.EndInit(); } ////// Implementation of protected override void CloneCore(Freezable sourceFreezable) { BitmapFrameEncode sourceBitmapFrameEncode = (BitmapFrameEncode)sourceFreezable; base.CloneCore(sourceFreezable); CopyCommon(sourceBitmapFrameEncode); } ///Freezable.CloneCore . ////// Implementation of protected override void CloneCurrentValueCore(Freezable sourceFreezable) { BitmapFrameEncode sourceBitmapFrameEncode = (BitmapFrameEncode)sourceFreezable; base.CloneCurrentValueCore(sourceFreezable); CopyCommon(sourceBitmapFrameEncode); } ///Freezable.CloneCurrentValueCore . ////// Implementation of protected override void GetAsFrozenCore(Freezable sourceFreezable) { BitmapFrameEncode sourceBitmapFrameEncode = (BitmapFrameEncode)sourceFreezable; base.GetAsFrozenCore(sourceFreezable); CopyCommon(sourceBitmapFrameEncode); } ///Freezable.GetAsFrozenCore . ////// Implementation of protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable) { BitmapFrameEncode sourceBitmapFrameEncode = (BitmapFrameEncode)sourceFreezable; base.GetCurrentValueAsFrozenCore(sourceFreezable); CopyCommon(sourceBitmapFrameEncode); } #endregion #region Internal Properties / Methods ///Freezable.GetCurrentValueAsFrozenCore . ////// Create the unmanaged resources /// ////// Critical - access critical resources /// TreatAsSafe - All inputs verified /// [SecurityCritical, SecurityTreatAsSafe] internal override void FinalizeCreation() { CreationCompleted = true; UpdateCachedSettings(); } ////// Internally stores the bitmap metadata /// ////// Critical - Access critical resource (_metadata) /// TreatAsSafe - site of origin is verified if possible. /// internal override BitmapMetadata InternalMetadata { [SecurityCritical, SecurityTreatAsSafe] get { // Demand Site Of Origin on the URI before usage of metadata. CheckIfSiteOfOrigin(); return _metadata; } [SecurityCritical, SecurityTreatAsSafe] set { // Demand Site Of Origin on the URI before usage of metadata. CheckIfSiteOfOrigin(); _metadata = value; } } #endregion #region Data Members /// Source for this Frame private BitmapSource _source; #endregion } #endregion // BitmapFrameEncode } // 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
- OleDbDataAdapter.cs
- IconConverter.cs
- WebServiceAttribute.cs
- SoapMessage.cs
- DataGridRowAutomationPeer.cs
- ParserContext.cs
- mda.cs
- XmlEnumAttribute.cs
- ContainerSelectorBehavior.cs
- AsymmetricAlgorithm.cs
- ObsoleteAttribute.cs
- DataGridViewCellStyleContentChangedEventArgs.cs
- RenderingEventArgs.cs
- PermissionRequestEvidence.cs
- BitmapCodecInfo.cs
- SourceLineInfo.cs
- DurationConverter.cs
- CodeNamespaceImport.cs
- metrodevice.cs
- ButtonRenderer.cs
- WebServiceReceive.cs
- XmlSecureResolver.cs
- AnimationStorage.cs
- TextTreeDeleteContentUndoUnit.cs
- SqlClientWrapperSmiStreamChars.cs
- HtmlInputImage.cs
- IRCollection.cs
- StackSpiller.Generated.cs
- ExceptionHandlerDesigner.cs
- SerializationObjectManager.cs
- HMACSHA256.cs
- MachineKeySection.cs
- SignatureGenerator.cs
- ExpressionDumper.cs
- selecteditemcollection.cs
- RuleRefElement.cs
- ContainerCodeDomSerializer.cs
- DataRowView.cs
- MinimizableAttributeTypeConverter.cs
- GenericEnumerator.cs
- HttpModulesInstallComponent.cs
- EventMappingSettings.cs
- XmlChildNodes.cs
- TypeNameConverter.cs
- ComponentFactoryHelpers.cs
- Positioning.cs
- SmtpLoginAuthenticationModule.cs
- HierarchicalDataTemplate.cs
- JobDuplex.cs
- Logging.cs
- AccessDataSourceDesigner.cs
- __Filters.cs
- GZipStream.cs
- ResourcesBuildProvider.cs
- ActiveXSite.cs
- SQLInt32Storage.cs
- BuilderPropertyEntry.cs
- RSAPKCS1KeyExchangeDeformatter.cs
- MsmqActivation.cs
- GlyphRunDrawing.cs
- SchemaNotation.cs
- Encoder.cs
- OdbcCommand.cs
- Single.cs
- StringUtil.cs
- DesignerValidationSummaryAdapter.cs
- X509Utils.cs
- MutexSecurity.cs
- IdentityHolder.cs
- OleDbPropertySetGuid.cs
- ContextDataSourceView.cs
- PermissionSetTriple.cs
- DbMetaDataColumnNames.cs
- EventLogPermission.cs
- Literal.cs
- ToolStripDropTargetManager.cs
- FrameworkElement.cs
- ThrowHelper.cs
- DLinqTableProvider.cs
- ToolBarTray.cs
- RepeaterItemEventArgs.cs
- UpdateProgress.cs
- SQLStringStorage.cs
- SqlNodeAnnotation.cs
- TypeSchema.cs
- DurableEnlistmentState.cs
- FontStretchConverter.cs
- MsmqElementBase.cs
- SqlErrorCollection.cs
- TraceSwitch.cs
- ChineseLunisolarCalendar.cs
- DateTimeParse.cs
- Buffer.cs
- ManagedCodeMarkers.cs
- SdlChannelSink.cs
- DataError.cs
- DragDrop.cs
- SqlBuilder.cs
- DynamicMetaObjectBinder.cs
- DataGridViewCellFormattingEventArgs.cs