Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / System / Windows / Media / Imaging / ColorConvertedBitmap.cs / 1 / ColorConvertedBitmap.cs
//------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation. All Rights Reserved. // // File: ColorConvertedBitmap.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.Media.Animation; using System.Windows.Media.Composition; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Imaging { #region ColorConvertedBitmap ////// ColorConvertedBitmap provides caching functionality for a BitmapSource. /// public sealed partial class ColorConvertedBitmap : Imaging.BitmapSource, ISupportInitialize { ////// Constructor /// public ColorConvertedBitmap() : base(true) { } ////// Construct a ColorConvertedBitmap /// /// Input BitmapSource to color convert /// Source Color Context /// Destination Color Context /// Destination Pixel format public ColorConvertedBitmap(BitmapSource source, ColorContext sourceColorContext, ColorContext destinationColorContext, PixelFormat format) : base(true) // Use base class virtuals { if (source == null) { throw new ArgumentNullException("source"); } if (sourceColorContext == null) { throw new ArgumentNullException("sourceColorContext"); } if (destinationColorContext == null) { throw new ArgumentNullException("destinationColorContext"); } _bitmapInit.BeginInit(); Source = source; SourceColorContext = sourceColorContext; DestinationColorContext = destinationColorContext; DestinationFormat = format; _bitmapInit.EndInit(); FinalizeCreation(); } // ISupportInitialize ////// Prepare the bitmap to accept initialize paramters. /// public void BeginInit() { WritePreamble(); _bitmapInit.BeginInit(); } ////// Prepare the bitmap to accept initialize paramters. /// ////// Critical - access critical resources /// PublicOK - All inputs verified /// [SecurityCritical ] public void EndInit() { WritePreamble(); _bitmapInit.EndInit(); if (Source == null) { throw new InvalidOperationException(SR.Get(SRID.Image_NoArgument, "Source")); } if ( SourceColorContext == null) { throw new InvalidOperationException(SR.Get(SRID.Color_NullColorContext)); } if (DestinationColorContext == null) { throw new InvalidOperationException(SR.Get(SRID.Image_NoArgument, "DestinationColorContext")); } FinalizeCreation(); } private void ClonePrequel(ColorConvertedBitmap otherColorConvertedBitmap) { BeginInit(); } private void ClonePostscript(ColorConvertedBitmap otherColorConvertedBitmap) { EndInit(); } /// /// Create the unmanaged resources /// ////// Critical - access critical resource /// [SecurityCritical] internal override void FinalizeCreation() { _bitmapInit.EnsureInitializedComplete(); BitmapSourceSafeMILHandle wicConverter = null; HRESULT.Check(UnsafeNativeMethods.WICCodec.CreateColorTransform( out wicConverter)); lock (_syncObject) { Guid fmtDestFmt = DestinationFormat.Guid; HRESULT.Check(UnsafeNativeMethods.WICColorTransform.Initialize( wicConverter, Source.WicSourceHandle, SourceColorContext.ColorContextHandle, DestinationColorContext.ColorContextHandle, ref fmtDestFmt)); } WicSourceHandle = wicConverter; _isSourceCached = Source.IsSourceCached; CreationCompleted = true; UpdateCachedSettings(); } ////// Notification on source changing. /// private void SourcePropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { BitmapSource newSource = e.NewValue as BitmapSource; _source = newSource; _syncObject = (newSource != null) ? newSource.SyncObject : _bitmapInit; } } ////// Notification on source colorcontext changing. /// private void SourceColorContextPropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { _sourceColorContext = e.NewValue as ColorContext; } } ////// Notification on destination colorcontext changing. /// private void DestinationColorContextPropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { _destinationColorContext = e.NewValue as ColorContext; } } ////// Notification on destination format changing. /// private void DestinationFormatPropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { _destinationFormat = (PixelFormat)e.NewValue; } } ////// Coerce Source /// private static object CoerceSource(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._source; } else { return value; } } ////// Coerce SourceColorContext /// private static object CoerceSourceColorContext(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._sourceColorContext; } else { return value; } } ////// Coerce DestinationColorContext /// private static object CoerceDestinationColorContext(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._destinationColorContext; } else { return value; } } ////// Coerce DestinationFormat /// private static object CoerceDestinationFormat(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._destinationFormat; } else { return value; } } #region Data members private BitmapSource _source; private ColorContext _sourceColorContext; private ColorContext _destinationColorContext; private PixelFormat _destinationFormat; #endregion } #endregion // ColorConvertedBitmap } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ // Microsoft Avalon // Copyright (c) Microsoft Corporation. All Rights Reserved. // // File: ColorConvertedBitmap.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.Media.Animation; using System.Windows.Media.Composition; using SR=MS.Internal.PresentationCore.SR; using SRID=MS.Internal.PresentationCore.SRID; namespace System.Windows.Media.Imaging { #region ColorConvertedBitmap ////// ColorConvertedBitmap provides caching functionality for a BitmapSource. /// public sealed partial class ColorConvertedBitmap : Imaging.BitmapSource, ISupportInitialize { ////// Constructor /// public ColorConvertedBitmap() : base(true) { } ////// Construct a ColorConvertedBitmap /// /// Input BitmapSource to color convert /// Source Color Context /// Destination Color Context /// Destination Pixel format public ColorConvertedBitmap(BitmapSource source, ColorContext sourceColorContext, ColorContext destinationColorContext, PixelFormat format) : base(true) // Use base class virtuals { if (source == null) { throw new ArgumentNullException("source"); } if (sourceColorContext == null) { throw new ArgumentNullException("sourceColorContext"); } if (destinationColorContext == null) { throw new ArgumentNullException("destinationColorContext"); } _bitmapInit.BeginInit(); Source = source; SourceColorContext = sourceColorContext; DestinationColorContext = destinationColorContext; DestinationFormat = format; _bitmapInit.EndInit(); FinalizeCreation(); } // ISupportInitialize ////// Prepare the bitmap to accept initialize paramters. /// public void BeginInit() { WritePreamble(); _bitmapInit.BeginInit(); } ////// Prepare the bitmap to accept initialize paramters. /// ////// Critical - access critical resources /// PublicOK - All inputs verified /// [SecurityCritical ] public void EndInit() { WritePreamble(); _bitmapInit.EndInit(); if (Source == null) { throw new InvalidOperationException(SR.Get(SRID.Image_NoArgument, "Source")); } if ( SourceColorContext == null) { throw new InvalidOperationException(SR.Get(SRID.Color_NullColorContext)); } if (DestinationColorContext == null) { throw new InvalidOperationException(SR.Get(SRID.Image_NoArgument, "DestinationColorContext")); } FinalizeCreation(); } private void ClonePrequel(ColorConvertedBitmap otherColorConvertedBitmap) { BeginInit(); } private void ClonePostscript(ColorConvertedBitmap otherColorConvertedBitmap) { EndInit(); } /// /// Create the unmanaged resources /// ////// Critical - access critical resource /// [SecurityCritical] internal override void FinalizeCreation() { _bitmapInit.EnsureInitializedComplete(); BitmapSourceSafeMILHandle wicConverter = null; HRESULT.Check(UnsafeNativeMethods.WICCodec.CreateColorTransform( out wicConverter)); lock (_syncObject) { Guid fmtDestFmt = DestinationFormat.Guid; HRESULT.Check(UnsafeNativeMethods.WICColorTransform.Initialize( wicConverter, Source.WicSourceHandle, SourceColorContext.ColorContextHandle, DestinationColorContext.ColorContextHandle, ref fmtDestFmt)); } WicSourceHandle = wicConverter; _isSourceCached = Source.IsSourceCached; CreationCompleted = true; UpdateCachedSettings(); } ////// Notification on source changing. /// private void SourcePropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { BitmapSource newSource = e.NewValue as BitmapSource; _source = newSource; _syncObject = (newSource != null) ? newSource.SyncObject : _bitmapInit; } } ////// Notification on source colorcontext changing. /// private void SourceColorContextPropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { _sourceColorContext = e.NewValue as ColorContext; } } ////// Notification on destination colorcontext changing. /// private void DestinationColorContextPropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { _destinationColorContext = e.NewValue as ColorContext; } } ////// Notification on destination format changing. /// private void DestinationFormatPropertyChangedHook(DependencyPropertyChangedEventArgs e) { if (!e.IsASubPropertyChange) { _destinationFormat = (PixelFormat)e.NewValue; } } ////// Coerce Source /// private static object CoerceSource(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._source; } else { return value; } } ////// Coerce SourceColorContext /// private static object CoerceSourceColorContext(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._sourceColorContext; } else { return value; } } ////// Coerce DestinationColorContext /// private static object CoerceDestinationColorContext(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._destinationColorContext; } else { return value; } } ////// Coerce DestinationFormat /// private static object CoerceDestinationFormat(DependencyObject d, object value) { ColorConvertedBitmap bitmap = (ColorConvertedBitmap)d; if (!bitmap._bitmapInit.IsInInit) { return bitmap._destinationFormat; } else { return value; } } #region Data members private BitmapSource _source; private ColorContext _sourceColorContext; private ColorContext _destinationColorContext; private PixelFormat _destinationFormat; #endregion } #endregion // ColorConvertedBitmap } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TraceListener.cs
- ClusterRegistryConfigurationProvider.cs
- IgnoreDeviceFilterElementCollection.cs
- XmlReflectionImporter.cs
- CodeDOMProvider.cs
- WebScriptMetadataMessage.cs
- DataTableReaderListener.cs
- RemoveFromCollection.cs
- HtmlTableCellCollection.cs
- PromptEventArgs.cs
- PropertyChangingEventArgs.cs
- CheckPair.cs
- ClientOptions.cs
- WriteableBitmap.cs
- SessionStateContainer.cs
- SqlColumnizer.cs
- XmlReader.cs
- WindowsGraphics.cs
- StateDesignerConnector.cs
- documentsequencetextpointer.cs
- ConfigurationException.cs
- AffineTransform3D.cs
- FileLogRecordEnumerator.cs
- RadioButtonAutomationPeer.cs
- InheritedPropertyDescriptor.cs
- ScriptManager.cs
- RequestCacheEntry.cs
- ProtectedConfigurationSection.cs
- ResourceContainer.cs
- HitTestFilterBehavior.cs
- ToolboxDataAttribute.cs
- TransformValueSerializer.cs
- SplitterEvent.cs
- TemplateParser.cs
- ValueType.cs
- ListDictionary.cs
- SetterBaseCollection.cs
- IPAddress.cs
- DataGridViewBand.cs
- CheckBox.cs
- CFStream.cs
- QilDataSource.cs
- KerberosReceiverSecurityToken.cs
- CheckBoxField.cs
- MessageDecoder.cs
- DispatcherSynchronizationContext.cs
- OutputCacheProfile.cs
- Calendar.cs
- TextParagraphView.cs
- ReadOnlyDictionary.cs
- EmissiveMaterial.cs
- ScriptControlManager.cs
- ConstraintManager.cs
- GenericQueueSurrogate.cs
- SqlTypesSchemaImporter.cs
- DataGridViewRowCancelEventArgs.cs
- XamlLoadErrorInfo.cs
- PolyQuadraticBezierSegment.cs
- WSSecurityOneDotZeroReceiveSecurityHeader.cs
- CodeChecksumPragma.cs
- Message.cs
- FrameworkElement.cs
- SecurityRuntime.cs
- PropertyRecord.cs
- MediaSystem.cs
- DataGridColumn.cs
- Calendar.cs
- Brush.cs
- BooleanFacetDescriptionElement.cs
- MultipleViewPattern.cs
- RectangleGeometry.cs
- XamlSerializerUtil.cs
- PropertyConverter.cs
- XmlHelper.cs
- UInt32.cs
- Compiler.cs
- ConfigXmlElement.cs
- AbstractDataSvcMapFileLoader.cs
- InkCanvasFeedbackAdorner.cs
- SqlVisitor.cs
- FormViewUpdateEventArgs.cs
- BindingMAnagerBase.cs
- ObjectQuery_EntitySqlExtensions.cs
- StylusPointPropertyInfoDefaults.cs
- DataGridParentRows.cs
- RichTextBox.cs
- RSAOAEPKeyExchangeFormatter.cs
- BlockUIContainer.cs
- SR.cs
- TextBoxAutoCompleteSourceConverter.cs
- DocumentGridPage.cs
- Int64Animation.cs
- AsymmetricAlgorithm.cs
- _SslSessionsCache.cs
- DataGridViewCellStyleConverter.cs
- BuildProvider.cs
- DeviceContext2.cs
- XmlSchemaAll.cs
- DecoratedNameAttribute.cs
- ExpressionVisitorHelpers.cs