Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / System / Windows / Media / Imaging / UnmanagedBitmapWrapper.cs / 1 / UnmanagedBitmapWrapper.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation. All Rights Reserved. // // File: UnmanagedBitmapWrapper.cs // //----------------------------------------------------------------------------- using System; using System.IO; using System.Collections; using System.Collections.Generic; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using MS.Internal; using MS.Win32.PresentationCore; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Windows.Media; using System.Globalization; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Media.Animation; using System.Windows.Media.Composition; using MS.Internal.PresentationCore; using SR = MS.Internal.PresentationCore.SR; using SRID = MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Imaging { internal sealed class UnmanagedBitmapWrapper : System.Windows.Media.Imaging.BitmapSource { ////// Critical - calls critical code method BitmapSource.UpdateCachedSettings /// TreatAsSafe - all inputs are checked /// [SecurityCritical, SecurityTreatAsSafe] public UnmanagedBitmapWrapper(BitmapSourceSafeMILHandle bitmapSource) : base(true) { _bitmapInit.BeginInit(); bitmapSource.CalculateSize(); WicSourceHandle = bitmapSource; _bitmapInit.EndInit(); UpdateCachedSettings(); } #region Protected Methods ////// Critical - eventually access'es critical resources (_wicSource) /// TreatAsSafe - all inputs are checked /// [SecurityCritical, SecurityTreatAsSafe] internal UnmanagedBitmapWrapper(bool initialize) : base(true) { // Call BeginInit and EndInit if initialize is true. if (initialize) { _bitmapInit.BeginInit(); _bitmapInit.EndInit(); } } ////// Critical - calls critical code method BitmapSource.UpdateCachedSettings /// TreatAsSafe - all inputs are checked /// [SecurityCritical, SecurityTreatAsSafe] internal void UpdateBitmapSource(BitmapSource bitmapSource, DUCE.Channel channel) { WicSourceHandle = bitmapSource.WicSourceHandle; UpdateCachedSettings(); _needsUpdate = true; UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ ); } ////// Implementation of protected override Freezable CreateInstanceCore() { return new UnmanagedBitmapWrapper(false); } private void CopyCommon(UnmanagedBitmapWrapper sourceBitmap) { _bitmapInit.BeginInit(); _bitmapInit.EndInit(); } ///Freezable.CreateInstanceCore . ////// Implementation of protected override void CloneCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.CloneCore(sourceFreezable); CopyCommon(sourceBitmap); } ///Freezable.CloneCore . ////// Implementation of protected override void CloneCurrentValueCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.CloneCurrentValueCore(sourceFreezable); CopyCommon(sourceBitmap); } ///Freezable.CloneCurrentValueCore . ////// Implementation of protected override void GetAsFrozenCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.GetAsFrozenCore(sourceFreezable); CopyCommon(sourceBitmap); } ///Freezable.GetAsFrozenCore . ////// Implementation of protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.GetCurrentValueAsFrozenCore(sourceFreezable); CopyCommon(sourceBitmap); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation. All Rights Reserved. // // File: UnmanagedBitmapWrapper.cs // //----------------------------------------------------------------------------- using System; using System.IO; using System.Collections; using System.Collections.Generic; using System.ComponentModel; using System.ComponentModel.Design.Serialization; using System.Reflection; using MS.Internal; using MS.Win32.PresentationCore; using System.Security; using System.Security.Permissions; using System.Diagnostics; using System.Windows.Media; using System.Globalization; using System.Runtime.InteropServices; using System.Windows; using System.Windows.Media.Animation; using System.Windows.Media.Composition; using MS.Internal.PresentationCore; using SR = MS.Internal.PresentationCore.SR; using SRID = MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Imaging { internal sealed class UnmanagedBitmapWrapper : System.Windows.Media.Imaging.BitmapSource { ///Freezable.GetCurrentValueAsFrozenCore . ////// Critical - calls critical code method BitmapSource.UpdateCachedSettings /// TreatAsSafe - all inputs are checked /// [SecurityCritical, SecurityTreatAsSafe] public UnmanagedBitmapWrapper(BitmapSourceSafeMILHandle bitmapSource) : base(true) { _bitmapInit.BeginInit(); bitmapSource.CalculateSize(); WicSourceHandle = bitmapSource; _bitmapInit.EndInit(); UpdateCachedSettings(); } #region Protected Methods ////// Critical - eventually access'es critical resources (_wicSource) /// TreatAsSafe - all inputs are checked /// [SecurityCritical, SecurityTreatAsSafe] internal UnmanagedBitmapWrapper(bool initialize) : base(true) { // Call BeginInit and EndInit if initialize is true. if (initialize) { _bitmapInit.BeginInit(); _bitmapInit.EndInit(); } } ////// Critical - calls critical code method BitmapSource.UpdateCachedSettings /// TreatAsSafe - all inputs are checked /// [SecurityCritical, SecurityTreatAsSafe] internal void UpdateBitmapSource(BitmapSource bitmapSource, DUCE.Channel channel) { WicSourceHandle = bitmapSource.WicSourceHandle; UpdateCachedSettings(); _needsUpdate = true; UpdateResource(channel, true /* skip "on channel" check - we already know that we're on channel */ ); } ////// Implementation of protected override Freezable CreateInstanceCore() { return new UnmanagedBitmapWrapper(false); } private void CopyCommon(UnmanagedBitmapWrapper sourceBitmap) { _bitmapInit.BeginInit(); _bitmapInit.EndInit(); } ///Freezable.CreateInstanceCore . ////// Implementation of protected override void CloneCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.CloneCore(sourceFreezable); CopyCommon(sourceBitmap); } ///Freezable.CloneCore . ////// Implementation of protected override void CloneCurrentValueCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.CloneCurrentValueCore(sourceFreezable); CopyCommon(sourceBitmap); } ///Freezable.CloneCurrentValueCore . ////// Implementation of protected override void GetAsFrozenCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.GetAsFrozenCore(sourceFreezable); CopyCommon(sourceBitmap); } ///Freezable.GetAsFrozenCore . ////// Implementation of protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable) { UnmanagedBitmapWrapper sourceBitmap = (UnmanagedBitmapWrapper)sourceFreezable; base.GetCurrentValueAsFrozenCore(sourceFreezable); CopyCommon(sourceBitmap); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.Freezable.GetCurrentValueAsFrozenCore . ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- FixedSOMPageConstructor.cs
- WindowsRichEditRange.cs
- TableCell.cs
- OutputWindow.cs
- XmlSchemaInclude.cs
- OdbcError.cs
- TextEndOfLine.cs
- RoleService.cs
- MessageDecoder.cs
- BackStopAuthenticationModule.cs
- webeventbuffer.cs
- RoleServiceManager.cs
- AgileSafeNativeMemoryHandle.cs
- DataTrigger.cs
- ArrayWithOffset.cs
- NavigateEvent.cs
- Repeater.cs
- XmlDataCollection.cs
- ApplicationServiceManager.cs
- ResourceBinder.cs
- figurelengthconverter.cs
- LoginDesignerUtil.cs
- OleAutBinder.cs
- BreadCrumbTextConverter.cs
- EntityDataSourceDesignerHelper.cs
- CurrencyManager.cs
- CultureSpecificStringDictionary.cs
- CultureInfoConverter.cs
- XmlnsDefinitionAttribute.cs
- XamlInt32CollectionSerializer.cs
- ColorDialog.cs
- EventArgs.cs
- XamlSerializerUtil.cs
- MachineKeyConverter.cs
- SrgsText.cs
- CrossContextChannel.cs
- TextWriterTraceListener.cs
- QueryParameter.cs
- EntityConnectionStringBuilderItem.cs
- ConstraintConverter.cs
- Avt.cs
- StringWriter.cs
- WindowsAuthenticationModule.cs
- SuppressMessageAttribute.cs
- MarginCollapsingState.cs
- InputLangChangeRequestEvent.cs
- SqlCacheDependencyDatabaseCollection.cs
- ValueType.cs
- Line.cs
- StrongNameIdentityPermission.cs
- EditorAttribute.cs
- CustomSignedXml.cs
- WebDisplayNameAttribute.cs
- columnmapkeybuilder.cs
- ContextMenuStrip.cs
- PositiveTimeSpanValidatorAttribute.cs
- AssociationTypeEmitter.cs
- BehaviorEditorPart.cs
- PropertyEmitterBase.cs
- LocalBuilder.cs
- TreeView.cs
- CommandField.cs
- FormViewDeleteEventArgs.cs
- InputReportEventArgs.cs
- AppDomainAttributes.cs
- Message.cs
- ItemsControlAutomationPeer.cs
- CultureInfoConverter.cs
- ConditionBrowserDialog.cs
- HtmlTableRow.cs
- RectValueSerializer.cs
- CombinedGeometry.cs
- PolyQuadraticBezierSegment.cs
- TextParaLineResult.cs
- Span.cs
- ProtocolsConfiguration.cs
- LogStore.cs
- FastEncoderWindow.cs
- AnnotationComponentChooser.cs
- Convert.cs
- CacheDependency.cs
- EventProvider.cs
- WizardDesigner.cs
- SchemaCollectionPreprocessor.cs
- _ReceiveMessageOverlappedAsyncResult.cs
- DbConnectionPoolIdentity.cs
- SqlExpressionNullability.cs
- NativeMethodsOther.cs
- PropertyTab.cs
- MonitoringDescriptionAttribute.cs
- WinFormsUtils.cs
- MiniAssembly.cs
- DelimitedListTraceListener.cs
- ProtocolsConfigurationEntry.cs
- NetTcpSecurity.cs
- IndexingContentUnit.cs
- X509Certificate.cs
- UdpContractFilterBehavior.cs
- Atom10FeedFormatter.cs
- SoapIgnoreAttribute.cs